2018 US Open Series
{{Use mdy dates|date=January 2025}}
In tennis, the 2018 US Open Series was the fifteenth edition of the US Open Series, which comprises]d a group of hard court tournaments that started on July 23, 2018 in Atlanta and concluded in Connecticut for the women and in Winston-Salem for the men on August 26, 2018. This edition consisted of three separate men's tournaments and three women's tournaments, with the Western & Southern Open hosting both a men's and women's event.{{Cite web|url=http://www.usopenseries.com/About-Us/about_the_us_open_series_/|title=About the US Open Series|website=usopenseries.com|access-date=July 10, 2018}}{{Cite web|url=http://www.usopenseries.com/tickets/|title=Tickets|website=usopenseries.com|access-date=July 10, 2018}} The series was headlined by two ATP World Tour Masters 1000 and two WTA Premier 5 events.
Tournament Schedule
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! Legend |
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| width=30| Week
!width=350| Men's Events !width=350| Women's Events | |||
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|1 | July 23 – July 29 | bgcolor="#ffffff" | Atlanta BB&T Atlanta Open 2018 Champion: {{flagicon|USA}} John Isner | No Series Event Held This Week |
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|2 | July 30 – August 5 | No Series Event Held This Week | bgcolor=#d0f0c0 | San Jose Silicon Valley Classic 2018 Champion: {{flagicon|ROU}} Mihaela Buzărnescu |
| align=center
|3 | August 6 – August 12 | bgcolor=#dfe2e9 | Toronto Rogers Cup presented by National Bank 2018 Champion: {{flagicon|ESP}} Rafael Nadal | bgcolor=#dfe2e9 | Montreal Rogers Cup presented by National Bank 2018 Champion: {{flagicon|ROU}} Simona Halep |
| align=center
|4 | August 13 – August 19 | bgcolor=#dfe2e9 | Cincinnati Western & Southern Open 2018 Champion: {{flagicon|SRB}} Novak Djokovic | bgcolor=#dfe2e9 | Cincinnati Western & Southern Open 2018 Champion: {{flagicon|NED}} Kiki Bertens |
| align=center
|5 | August 20 – August 26 | bgcolor=#ffffff | Winston-Salem Winston-Salem Open 2018 Champion: {{flagicon|RUS}} Daniil Medvedev | bgcolor=#d0f0c0 | New Haven Connecticut Open 2018 Champion: {{flagicon|BLR}} Aryna Sabalenka |
| align=center
|6–7 | August 27 – September 9 | bgcolor=#e5d1cb | New York US Open 2018 Champion: {{flagicon|SRB}} Novak Djokovic | bgcolor="e5d1cb | New York US Open 2018 Champion: {{flagicon|JPN}} Naomi Osaka |
Week 1
=ATP – BB&T Atlanta Open=
{{main|2018 BB&T Atlanta Open}}
John Isner was the defending champion and successfully defended his title, defeating Ryan Harrison in a rematch of the 2017 final, 5–7, 6–3, 6–4.
==Main Draw Finals==
{{8TeamBracket-Tennis3
| RD1=
| RD2=
| RD3=
| RD1-group1=
| RD1-group2=
| score-width=
| team-width=
| RD1-seed1=1
| RD1-team1={{flagicon|USA}} John Isner
| RD1-score1-1=7
| RD1-score1-2=4
| RD1-score1-3=6
| RD1-seed2=7
| RD1-team2={{flagicon|GER}} Mischa Zverev
| RD1-score2-1=5
| RD1-score2-2=6
| RD1-score2-3=1
| RD1-seed3=4
| RD1-team3={{flagicon|AUS}} Matthew Ebden
| RD1-score3-1=6
| RD1-score3-2=6
| RD1-score3-3=
| RD1-seed4=
| RD1-team4={{flagicon|CYP}} Marcos Baghdatis
| RD1-score4-1=3
| RD1-score4-2=2
| RD1-score4-3=
| RD1-seed5=8
| RD1-team5={{flagicon|USA}} Ryan Harrison
| RD1-score5-1=63
| RD1-score5-2=6
| RD1-score5-3=77
| RD1-seed6=3/WC
| RD1-team6={{flagicon|KOR}} Chung Hyeon
| RD1-score6-1=77
| RD1-score6-2=2
| RD1-score6-3=65
| RD1-seed7=
| RD1-team7={{flagicon|GBR}} Cameron Norrie
| RD1-score7-1=7
| RD1-score7-2=3
| RD1-score7-3=
| RD1-seed8=2
| RD1-team8={{flagicon|AUS}} Nick Kyrgios
| RD1-score8-1=5
| RD1-score8-2=0r
| RD1-score8-3=
|RD2-seed1=1
|RD2-team1={{flagicon|USA}} John Isner
|RD2-score1-1=6
|RD2-score1-2=66
|RD2-score1-3=6
|RD2-seed2=4
|RD2-team2={{flagicon|AUS}} Matthew Ebden
|RD2-score2-1=4
|RD2-score2-2=78
|RD2-score2-3=1
|RD2-seed3=8
|RD2-team3={{flagicon|USA}} Ryan Harrison
|RD2-score3-1=2
|RD2-score3-2=6
|RD2-score3-3=6
|RD2-seed4=
|RD2-team4={{flagicon|GBR}} Cameron Norrie
|RD2-score4-1=6
|RD2-score4-2=3
|RD2-score4-3=2
|RD3-seed1=1
|RD3-team1={{flagicon|USA}} John Isner
|RD3-score1-1=5
|RD3-score1-2=6
|RD3-score1-3=6
|RD3-seed2=8
|RD3-team2={{flagicon|USA}} Ryan Harrison
|RD3-score2-1=7
|RD3-score2-2=3
|RD3-score2-3=4
}}
Week 2
=WTA – Silicon Valley Classic (San Jose)=
{{main|2018 Silicon Valley Classic}}
Madison Keys was the defending champion, but withdrew due to a wrist injury.
Mihaela Buzărnescu won her first WTA Tour singles title, defeating Maria Sakkari in the final, 6–1, 6–0.
==Main Draw Finals==
{{8TeamBracket-Tennis3
| RD1=Quarterfinals
| RD2=Semifinals
| RD3=Final
|team-width=175
| RD1-seed1=
| RD1-team1={{flagicon|BLR}} Victoria Azarenka
| RD1-score1-1=77
| RD1-score1-2=0r
| RD1-score1-3=
| RD1-seed2=
| RD1-team2={{flagicon|USA}} Danielle Collins
| RD1-score2-1=64
| RD1-score2-2=3
| RD1-score2-3=
| RD1-seed3=3/WC
| RD1-team3={{flagicon|USA}} Venus Williams
| RD1-score3-1=4
| RD1-score3-2=62
| RD1-score3-3=
| RD1-seed4=
| RD1-team4={{flagicon|GRE}} Maria Sakkari
| RD1-score4-1=6
| RD1-score4-2=77
| RD1-score4-3=
| RD1-seed5=
| RD1-team5={{flagicon|GBR}} Johanna Konta
| RD1-score5-1=64
| RD1-score5-2=3
| RD1-score5-3=
| RD1-seed6=4
| RD1-team6={{flagicon|BEL}} Elise Mertens
| RD1-score6-1=77
| RD1-score6-2=6
| RD1-score6-3=
| RD1-seed7=5
| RD1-team7={{flagicon|ROU}} Mihaela Buzărnescu
| RD1-score7-1=6
| RD1-score7-2=7
| RD1-score7-3=
| RD1-seed8=
| RD1-team8={{flagicon|AUS}} Ajla Tomljanović
| RD1-score8-1=1
| RD1-score8-2=5
| RD1-score8-3=
|RD2-seed1=
|RD2-team1={{flagicon|USA}} Danielle Collins
|RD2-score1-1=6
|RD2-score1-2=5
|RD2-score1-3=2
|RD2-seed2=
|RD2-team2={{flagicon|GRE}} Maria Sakkari
|RD2-score2-1=3
|RD2-score2-2=7
|RD2-score2-3=6
|RD2-seed3=4
|RD2-team3={{flagicon|BEL}} Elise Mertens
|RD2-score3-1=6
|RD2-score3-2=3
|RD2-score3-3=1
|RD2-seed4=5
|RD2-team4={{flagicon|ROU}} Mihaela Buzărnescu
|RD2-score4-1=4
|RD2-score4-2=6
|RD2-score4-3=6
|RD3-seed1=
|RD3-team1={{flagicon|GRE}} Maria Sakkari
|RD3-score1-1=1
|RD3-score1-2=0
|RD3-score1-3=
|RD3-seed2=5
|RD3-team2={{flagicon|ROU}} Mihaela Buzărnescu
|RD3-score2-1=6
|RD3-score2-2=6
|RD3-score2-3=
}}
Week 3
=ATP – Rogers Cup (Toronto)=
{{main|2018 Rogers Cup – Men's Singles}}
Alexander Zverev was the defending champion,{{cite web |url=https://www.atpworldtour.com/en/tournaments/toronto/421/overview |title=Rogers Cup Overview |publisher=ATP World Tour |accessdate=1 August 2018}} but lost in the quarterfinals to Stefanos Tsitsipas.
Rafael Nadal won his fourth Rogers Cup title, defeating Tsitsipas in the final, 6–2, 7–6(7–4).
==Main Draw Finals==
{{8TeamBracket-Tennis3
| RD1=Quarterfinals
| RD2=Semifinals
| RD3=Final
|team-width=175
|RD1-seed1=1
|RD1-team1={{flagicon|ESP}} Rafael Nadal
|RD1-score1-1=2
|RD1-score1-2=6
|RD1-score1-3=6
|RD1-seed2=6
|RD1-team2={{flagicon|CRO}} Marin Čilić
|RD1-score2-1=6
|RD1-score2-2=4
|RD1-score2-3=4
|RD1-seed3=
|RD1-team3={{flagicon|NED}} Robin Haase
|RD1-score3-1=3
|RD1-score3-2=1
|RD1-score3-3=
|RD1-seed4=
|RD1-team4={{flagicon|RUS}} Karen Khachanov
|RD1-score4-1=6
|RD1-score4-2=6
|RD1-score4-3=
|RD1-seed5=5
|RD1-team5={{flagicon|BUL}} Grigor Dimitrov
|RD1-score5-1=2
|RD1-score5-2=2
|RD1-score5-3=
|RD1-seed6=4
|RD1-team6={{flagicon|RSA}} Kevin Anderson
|RD1-score6-1=6
|RD1-score6-2=6
|RD1-score6-3=
|RD1-seed7=
|RD1-team7={{flagicon|GRE}} Stefanos Tsitsipas
|RD1-score7-1=3
|RD1-score7-2=713
|RD1-score7-3=6
|RD1-seed8=2
|RD1-team8={{flagicon|GER}} Alexander Zverev
|RD1-score8-1=6
|RD1-score8-2=611
|RD1-score8-3=4
|RD2-seed1=1
|RD2-team1={{flagicon|ESP}} Rafael Nadal
|RD2-score1-1=77
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=
|RD2-team2={{flagicon|RUS}} Karen Khachanov
|RD2-score2-1=63
|RD2-score2-2=4
|RD2-score2-3=
|RD2-seed3=4
|RD2-team3={{flagicon|RSA}} Kevin Anderson
|RD2-score3-1=77
|RD2-score3-2=4
|RD2-score3-3=67
|RD2-seed4=
|RD2-team4={{flagicon|GRE}} Stefanos Tsitsipas
|RD2-score4-1=64
|RD2-score4-2=6
|RD2-score4-3=79
|RD3-seed1=1
|RD3-team1={{flagicon|ESP}} Rafael Nadal
|RD3-score1-1=6
|RD3-score1-2=77
|RD3-score1-3=
|RD3-seed2=
|RD3-team2={{flagicon|GRE}} Stefanos Tsitsipas
|RD3-score2-1=2
|RD3-score2-2=64
|RD3-score2-3=
}}
=WTA – Rogers Cup (Montreal)=
{{main|2018 Rogers Cup – Women's Singles}}
Elina Svitolina was the defending champion,{{cite web |url=http://www.wtatennis.com/tournament/wta-toronto-montreal#results|title=Coupe Rogers présentée par Banque Nationale Overview |publisher=WTA Tour |accessdate=3 August 2018}} but she lost to Sloane Stephens in the semifinals.
World No. 1 Simona Halep won the title, defeating Stephens in the final, 7–6(8–6), 3–6, 6–4.
==Main Draw Finals==
{{8TeamBracket-Tennis3
|RD1=Quarterfinals
|RD2=Semifinals
|RD3=Final
|team-width=175
|RD1-seed1=1
|RD1-team1={{flagicon|ROU}} Simona Halep
|RD1-score1-1=7
|RD1-score1-2=6
|RD1-score1-3=
|RD1-seed2=6
|RD1-team2={{flagicon|FRA}} Caroline Garcia
|RD1-score2-1=5
|RD1-score2-2=1
|RD1-score2-3=
|RD1-seed3=15
|RD1-team3={{flagicon|AUS}} Ashleigh Barty
|RD1-score3-1=6
|RD1-score3-2=6
|RD1-score3-3=
|RD1-seed4=
|RD1-team4={{flagicon|NED}} Kiki Bertens
|RD1-score4-1=3
|RD1-score4-2=1
|RD1-score4-3=
|RD1-seed5=
|RD1-team5={{flagicon|LAT}} Anastasija Sevastova
|RD1-score5-1=2
|RD1-score5-2=2
|RD1-score5-3=
|RD1-seed6=3
|RD1-team6={{flagicon|USA}} Sloane Stephens
|RD1-score6-1=6
|RD1-score6-2=6
|RD1-score6-3=
|RD1-seed7=5
|RD1-team7={{flagicon|UKR}} Elina Svitolina
|RD1-score7-1=7
|RD1-score7-2=6
|RD1-score7-3=
|RD1-seed8=14
|RD1-team8={{flagicon|BEL}} Elise Mertens
|RD1-score8-1=5
|RD1-score8-2=3
|RD1-score8-3=
|RD2-seed1=1
|RD2-team1={{flagicon|ROU}} Simona Halep
|RD2-score1-1=6
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=15
|RD2-team2={{flagicon|AUS}} Ashleigh Barty
|RD2-score2-1=4
|RD2-score2-2=1
|RD2-score2-3=
|RD2-seed3=3
|RD2-team3={{flagicon|USA}} Sloane Stephens
|RD2-score3-1=6
|RD2-score3-2=6
|RD2-score3-3=
|RD2-seed4=5
|RD2-team4={{flagicon|UKR}} Elina Svitolina
|RD2-score4-1=3
|RD2-score4-2=3
|RD2-score4-3=
|RD3-seed1=1
|RD3-team1={{flagicon|ROU}} Simona Halep
|RD3-score1-1=78
|RD3-score1-2=3
|RD3-score1-3=6
|RD3-seed2=3
|RD3-team2={{flagicon|USA}} Sloane Stephens
|RD3-score2-1=66
|RD3-score2-2=6
|RD3-score2-3=4
}}
Week 4
=ATP – Western & Southern Open (Cincinnati) =
{{main|2018 Western & Southern Open – Men's Singles}}
Grigor Dimitrov was the defending champion, but lost to Novak Djokovic in the third round.
Djokovic won the title, defeating Roger Federer in the final, 6–4, 6–4, becoming the first player to win all nine ATP Masters 1000 events since its inception in 1990.
==Main Draw Finals==
{{8TeamBracket-Tennis3
|RD1=Quarterfinals
|RD2=Semifinals
|RD3=Final
|team-width=175
|RD1-seed1=
|RD1-team1={{flagicon|CAN}} Milos Raonic
|RD1-score1-1=5
|RD1-score1-2=6
|RD1-score1-3=3
|RD1-seed2=10
|RD1-team2={{flagicon|SRB}} Novak Djokovic
|RD1-score2-1=7
|RD1-score2-2=4
|RD1-score2-3=6
|RD1-seed3=13
|RD1-team3={{flagicon|ESP}} Pablo Carreño Busta
|RD1-score3-1=67
|RD1-score3-2=4
|RD1-score3-3=
|RD1-seed4=7
|RD1-team4={{flagicon|CRO}} Marin Čilić
|RD1-score4-1=79
|RD1-score4-2=6
|RD1-score4-3=
|RD1-seed5=11
|RD1-team5={{flagicon|BEL}} David Goffin
|RD1-score5-1=77
|RD1-score5-2=77
|RD1-score5-3=
|RD1-seed6=4
|RD1-team6={{flagicon|ARG}} Juan Martín del Potro
|RD1-score6-1=65
|RD1-score6-2=64
|RD1-score6-3=
|RD1-seed7=WC
|RD1-team7={{flagicon|SUI}} Stan Wawrinka
|RD1-score7-1=77
|RD1-score7-2=66
|RD1-score7-3=2
|RD1-seed8=2
|RD1-team8={{flagicon|SUI}} Roger Federer
|RD1-score8-1=62
|RD1-score8-2=78
|RD1-score8-3=6
|RD2-seed1=10
|RD2-team1={{flagicon|SRB}} Novak Djokovic
|RD2-score1-1=6
|RD2-score1-2=3
|RD2-score1-3=6
|RD2-seed2=7
|RD2-team2={{flagicon|CRO}} Marin Čilić
|RD2-score2-1=4
|RD2-score2-2=6
|RD2-score2-3=3
|RD2-seed3=11
|RD2-team3={{flagicon|BEL}} David Goffin
|RD2-score3-1=63
|RD2-score3-2=1r
|RD2-score3-3=
|RD2-seed4=2
|RD2-team4={{flagicon|SUI}} Roger Federer
|RD2-score4-1=77
|RD2-score4-2=1
|RD2-score4-3=
|RD3-seed1=10
|RD3-team1={{flagicon|SRB}} Novak Djokovic
|RD3-score1-1=6
|RD3-score1-2=6
|RD3-score1-3=
|RD3-seed2=2
|RD3-team2={{flagicon|SUI}} Roger Federer
|RD3-score2-1=4
|RD3-score2-2=4
|RD3-score2-3=
}}
=WTA – Western & Southern Open (Cincinnati) =
{{main|2018 Western & Southern Open – Women's Singles}}
Garbiñe Muguruza was the defending champion, but lost in the second round to Lesia Tsurenko.
Kiki Bertens won her first hard court & Premier 5 level title by beating Simona Halep in the final, 2–6, 7–6(8–6), 6–2.
==Main Draw Finals==
{{8TeamBracket-Tennis3-v2
|RD1=Quarterfinals
|RD2=Semifinals
|RD3=Final
|team-width=175
|RD1-seed1=1
|RD1-team1={{flagicon|ROU}} Simona Halep
|RD1-score1-1=6
|RD1-score1-2=6
|RD1-score1-3=
|RD1-seed2=
|RD1-team2={{flagicon|UKR}} Lesia Tsurenko
|RD1-score2-1=4
|RD1-score2-2=1
|RD1-score2-3=
|RD1-seed3=13
|RD1-team3={{flagicon|USA}} Madison Keys
|RD1-score3-1=3
|RD1-score3-2=4
|RD1-score3-3=
|RD1-seed4=
|RD1-team4={{flagicon|BLR}} Aryna Sabalenka
|RD1-score4-1=6
|RD1-score4-2=6
|RD1-score4-3=
|RD1-seed5=8
|RD1-team5={{flagicon|CZE}} Petra Kvitová
|RD1-score5-1=7
|RD1-score5-2=5
|RD1-score5-3=6
|RD1-seed6=15
|RD1-team6={{flagicon|BEL}} Elise Mertens
|RD1-score6-1=5
|RD1-score6-2=7
|RD1-score6-3=3
|RD1-seed7=5
|RD1-team7={{flagicon|UKR}} Elina Svitolina
|RD1-score7-1=4
|RD1-score7-2=3
|RD1-score7-3=
|RD1-seed8=
|RD1-team8={{flagicon|NED}} Kiki Bertens
|RD1-score8-1=6
|RD1-score8-2=6
|RD1-score8-3=
|RD2-seed1=1
|RD2-team1={{flagicon|ROU}} Simona Halep
|RD2-score1-1=6
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=
|RD2-team2={{flagicon|BLR}} Aryna Sabalenka
|RD2-score2-1=3
|RD2-score2-2=4
|RD2-score2-3=
|RD2-seed3=8
|RD2-team3={{flagicon|CZE}} Petra Kvitová
|RD2-score3-1=6
|RD2-score3-2=4
|RD2-score3-3=2
|RD2-seed4=
|RD2-team4={{flagicon|NED}} Kiki Bertens
|RD2-score4-1=3
|RD2-score4-2=6
|RD2-score4-3=6
|RD3-seed1=1
|RD3-team1={{flagicon|ROU}} Simona Halep
|RD3-score1-1=6
|RD3-score1-2=66
|RD3-score1-3=2
|RD3-seed2=
|RD3-team2={{flagicon|NED}} Kiki Bertens
|RD3-score2-1=2
|RD3-score2-2=78
|RD3-score2-3=6
}}
Week 5
=ATP – Winston-Salem Open =
{{main|2018 Winston-Salem Open}}
Roberto Bautista Agut was the defending champion but chose not to participate this year.
Daniil Medvedev won the title, defeating Steve Johnson in the final, 6–4, 6–4.
==Main Draw Finals==
{{8TeamBracket-Tennis3-v2
|RD1=Quarterfinals
|RD2=Semifinals
|RD3=Final
|team-width=175
|RD1-seed1=
|RD1-team1={{flagicon|RUS}} Daniil Medvedev
|RD1-score1-1=77
|RD1-score1-2=6
|RD1-score1-3=
|RD1-seed2=
|RD1-team2={{flagicon|USA}} Ryan Harrison
|RD1-score2-1=64
|RD1-score2-2=4
|RD1-score2-3=
|RD1-seed3=14
|RD1-team3={{flagicon|CHI}} Nicolás Jarry
|RD1-score3-1=6
|RD1-score3-2=2
|RD1-score3-3=1
|RD1-seed4=
|RD1-team4={{flagicon|JPN}} Taro Daniel
|RD1-score4-1=4
|RD1-score4-2=6
|RD1-score4-3=6
|RD1-seed5=8
|RD1-team5={{flagicon|USA}} Steve Johnson
|RD1-score5-1=6
|RD1-score5-2=6
|RD1-score5-3=
|RD1-seed6=3/WC
|RD1-team6={{flagicon|GBR}} Kyle Edmund
|RD1-score6-1=1
|RD1-score6-2=2
|RD1-score6-3=
|RD1-seed7=6
|RD1-team7={{flagicon|KOR}} Chung Hyeon
|RD1-score7-1=3
|RD1-score7-2=4
|RD1-score7-3=
|RD1-seed8=2
|RD1-team8={{flagicon|ESP}} Pablo Carreño Busta
|RD1-score8-1=6
|RD1-score8-2=6
|RD1-score8-3=
|RD2-seed1=
|RD2-team1={{flagicon|RUS}} Daniil Medvedev
|RD2-score1-1=6
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=
|RD2-team2={{flagicon|JPN}} Taro Daniel
|RD2-score2-1=1
|RD2-score2-2=1
|RD2-score2-3=
|RD2-seed3=8
|RD2-team3={{flagicon|USA}} Steve Johnson
|RD2-score3-1=6
|RD2-score3-2=6
|RD2-score3-3=
|RD2-seed4=2
|RD2-team4={{flagicon|ESP}} Pablo Carreño Busta
|RD2-score4-1=3
|RD2-score4-2=4
|RD2-score4-3=
|RD3-seed1=
|RD3-team1={{flagicon|RUS}} Daniil Medvedev
|RD3-score1-1=6
|RD3-score1-2=6
|RD3-score1-3=
|RD3-seed2=8
|RD3-team2={{flagicon|USA}} Steve Johnson
|RD3-score2-1=4
|RD3-score2-2=4
|RD3-score2-3=
}}
=WTA – Connecticut Open (New Haven)=
{{main|2018 Connecticut Open}}
Daria Gavrilova was the defending champion, but lost to Aryna Sabalenka in the second round.
Sabalenka went on to win her first WTA Tour title, defeating Carla Suárez Navarro in the final, 6–1, 6–4.
==Main Draw Finals==
{{8TeamBracket-Tennis3
| RD1= Quarterfinals
| RD2= Semifinals
| RD3= Final
| RD1-group1=
| RD1-group2=
| score-width=
| team-width=
| RD1-seed1=LL
| RD1-team1={{flagicon|SUI}} Belinda Bencic
| RD1-score1-1=3
| RD1-score1-2=2
| RD1-score1-3=
| RD1-seed2=
| RD1-team2={{flagicon|BLR}} Aryna Sabalenka
| RD1-score2-1=6
| RD1-score2-2=6
| RD1-score2-3=
| RD1-seed3=
| RD1-team3={{flagicon|RUS}} Ekaterina Makarova
| RD1-score3-1=4
| RD1-score3-2=2
| RD1-score3-3=
| RD1-seed4=5
| RD1-team4={{flagicon|GER}} Julia Görges
| RD1-score4-1=6
| RD1-score4-2=6
| RD1-score4-3=
| RD1-seed5=
| RD1-team5={{flagicon|ESP}} Carla Suárez Navarro
| RD1-score5-1=6
| RD1-score5-2=0
| RD1-score5-3=
| RD1-seed6=3
| RD1-team6={{flagicon|CZE}} Petra Kvitová
| RD1-score6-1=3
| RD1-score6-2=0r
| RD1-score6-3=
| RD1-seed7=Q
| RD1-team7={{flagicon|PUR}} Monica Puig
| RD1-score7-1=7
| RD1-score7-2=1
| RD1-score7-3=6
| RD1-seed8=2
| RD1-team8={{flagicon|FRA}} Caroline Garcia
| RD1-score8-1=5
| RD1-score8-2=6
| RD1-score8-3=2
|RD2-seed1=
|RD2-team1={{flagicon|BLR}} Aryna Sabalenka
|RD2-score1-1=6
|RD2-score1-2=77
|RD2-score1-3=
|RD2-seed2=5
|RD2-team2={{flagicon|GER}} Julia Görges
|RD2-score2-1=4
|RD2-score2-2=63
|RD2-score2-3=
|RD2-seed3=
|RD2-team3={{flagicon|ESP}} Carla Suárez Navarro
|RD2-score3-1=4
|RD2-score3-2=
|RD2-score3-3=
|RD2-seed4=Q
|RD2-team4={{flagicon|PUR}} Monica Puig
|RD2-score4-1=4r
|RD2-score4-2=
|RD2-score4-3=
|RD3-seed1=
|RD3-team1={{flagicon|BLR}} Aryna Sabalenka
|RD3-score1-1=6
|RD3-score1-2=6
|RD3-score1-3=
|RD3-seed2=
|RD3-team2={{flagicon|ESP}} Carla Suárez Navarro
|RD3-score2-1=1
|RD3-score2-2=4
|RD3-score2-3=
}}
Weeks 6–7
=ATP – US Open (New York)=
{{main|2018 US Open – Men's Singles}}
Rafael Nadal was the defending champion, but retired in his semifinal match against Juan Martín del Potro.
Novak Djokovic won the title, his third at the US Open and 14th Grand Slam title overall, tying Pete Sampras, defeating del Potro in the final, 6–3, 7–6(7–4), 6–3.
==Main Draw Finals==
{{8TeamBracket-Tennis5
| RD1=Quarterfinals
| RD2=Semifinals
| RD3=Final
| team-width=175
| RD1-seed1=1
| RD1-team1={{flagicon|ESP}} Rafael Nadal
| RD1-score1-1=0
| RD1-score1-2=6
| RD1-score1-3=7
| RD1-score1-4=64
| RD1-score1-5=77
| RD1-seed2=9
| RD1-team2={{flagicon|AUT}} Dominic Thiem
| RD1-score2-1=6
| RD1-score2-2=4
| RD1-score2-3=5
| RD1-score2-4=77
| RD1-score2-5=65
| RD1-seed3=3
| RD1-team3={{flagicon|ARG}} Juan Martín del Potro
| RD1-score3-1=65
| RD1-score3-2=6
| RD1-score3-3=77
| RD1-score3-4=6
| RD1-score3-5=
| RD1-seed4=11
| RD1-team4={{flagicon|USA}} John Isner
| RD1-score4-1=77
| RD1-score4-2=3
| RD1-score4-3=64
| RD1-score4-4=2
| RD1-score4-5=
| RD1-seed5=7
| RD1-team5={{flagicon|CRO}} Marin Čilić
| RD1-score5-1=6
| RD1-score5-2=4
| RD1-score5-3=65
| RD1-score5-4=6
| RD1-score5-5=4
| RD1-seed6=21
| RD1-team6={{flagicon|JPN}} Kei Nishikori
| RD1-score6-1=2
| RD1-score6-2=6
| RD1-score6-3=77
| RD1-score6-4=4
| RD1-score6-5=6
| RD1-seed7=6
| RD1-team7={{flagicon|SRB}} Novak Djokovic
| RD1-score7-1=6
| RD1-score7-2=6
| RD1-score7-3=6
| RD1-score7-4=
| RD1-score7-5=
| RD1-seed8=
| RD1-team8={{flagicon|AUS}} John Millman
| RD1-score8-1=3
| RD1-score8-2=4
| RD1-score8-3=4
| RD1-score8-4=
| RD1-score8-5=
| RD2-seed1=1
| RD2-team1={{flagicon|ESP}} Rafael Nadal
| RD2-score1-1=63
| RD2-score1-2=2
| RD2-score1-3=0r
| RD2-score1-4=
| RD2-score1-5=
| RD2-seed2=3
| RD2-team2={{flagicon|ARG}} Juan Martín del Potro
| RD2-score2-1=77
| RD2-score2-2=6
| RD2-score2-3=0
| RD2-score2-4=
| RD2-score2-5=
| RD2-seed3=21
| RD2-team3={{flagicon|JPN}} Kei Nishikori
| RD2-score3-1=3
| RD2-score3-2=4
| RD2-score3-3=2
| RD2-score3-4=
| RD2-score3-5=
| RD2-seed4=6
| RD2-team4={{flagicon|SRB}} Novak Djokovic
| RD2-score4-1=6
| RD2-score4-2=6
| RD2-score4-3=6
| RD2-score4-4=
| RD2-score4-5=
| RD3-seed1=3
| RD3-team1={{flagicon|ARG}} Juan Martín del Potro
| RD3-score1-1=3
| RD3-score1-2=64
| RD3-score1-3=3
| RD3-score1-4=
| RD3-score1-5=
| RD3-seed2=6
| RD3-team2={{flagicon|SRB}} Novak Djokovic
| RD3-score2-1=6
| RD3-score2-2=77
| RD3-score2-3=6
| RD3-score2-4=
| RD3-score2-5=
}}
=WTA – US Open (New York)=
{{main|2018 US Open – Women's Singles}}
Sloane Stephens was the defending champion, but lost to Anastasija Sevastova in the quarterfinals.
Naomi Osaka won the title by defeating Serena Williams in the final, 6–2, 6–4.
==Main Draw Finals==
{{8TeamBracket-Tennis3
|RD1=Quarterfinals
|RD2=Semifinals
|RD3=Final
|team-width=175
|RD1-seed1=17
|RD1-team1={{flagicon|USA}} Serena Williams
|RD1-score1-1=6
|RD1-score1-2=6
|RD1-score1-3=
|RD1-seed2=8
|RD1-team2={{flagicon|CZE}} Karolína Plíšková
|RD1-score2-1=4
|RD1-score2-2=3
|RD1-score2-3=
|RD1-seed3=3
|RD1-team3={{flagicon|USA}} Sloane Stephens
|RD1-score3-1=2
|RD1-score3-2=3
|RD1-score3-3=
|RD1-seed4=19
|RD1-team4={{flagicon|LAT}} Anastasija Sevastova
|RD1-score4-1=6
|RD1-score4-2=6
|RD1-score4-3=
|RD1-seed5=30
|RD1-team5={{flagicon|ESP}} Carla Suárez Navarro
|RD1-score5-1=4
|RD1-score5-2=3
|RD1-score5-3=
|RD1-seed6=14
|RD1-team6={{flagicon|USA}} Madison Keys
|RD1-score6-1=6
|RD1-score6-2=6
|RD1-score6-3=
|RD1-seed7=20
|RD1-team7={{flagicon|JPN}} Naomi Osaka
|RD1-score7-1=6
|RD1-score7-2=6
|RD1-score7-3=
|RD1-seed8=
|RD1-team8={{flagicon|UKR}} Lesia Tsurenko
|RD1-score8-1=1
|RD1-score8-2=1
|RD1-score8-3=
|RD2-seed1=17
|RD2-team1={{flagicon|USA}} Serena Williams
|RD2-score1-1=6
|RD2-score1-2=6
|RD2-score1-3=
|RD2-seed2=19
|RD2-team2={{flagicon|LAT}} Anastasija Sevastova
|RD2-score2-1=3
|RD2-score2-2=0
|RD2-score2-3=
|RD2-seed3=14
|RD2-team3={{flagicon|USA}} Madison Keys
|RD2-score3-1=2
|RD2-score3-2=4
|RD2-score3-3=
|RD2-seed4=20
|RD2-team4={{flagicon|JPN}} Naomi Osaka
|RD2-score4-1=6
|RD2-score4-2=6
|RD2-score4-3=
|RD3-seed1=17
|RD3-team1={{flagicon|USA}} Serena Williams
|RD3-score1-1=2
|RD3-score1-2=4
|RD3-score1-3=
|RD3-seed2=20
|RD3-team2={{flagicon|JPN}} Naomi Osaka
|RD3-score2-1=6
|RD3-score2-2=6
|RD3-score2-3=
}}
References
{{reflist}}