2019 Shenzhen Longhua Open – Men's singles

{{Infobox tennis tournament event|2019|Shenzhen Longhua Open|

| champ = {{flagicon|CHN}} Zhang Zhizhen

| runner = {{flagicon|CHN}} Li Zhe

| score = 6–3, 4–6, 6–1

| edition =

| after_year = 2023

}}

{{main article|2019 Shenzhen Longhua Open}}

Miomir Kecmanović was the defending champion{{Cite web|url=https://www.tennisworldusa.org/tennis/news/Challenger_Tour/62591/jordan-thompson-miomir-kecmanovic-and-tommy-paul-still-the-show/|title=Jordan Thompson, Miomir Kecmanovic and Tommy Paul still the show|website=Tennis World USA}} but chose not to defend his title.

Zhang Zhizhen won the title after defeating Li Zhe 6–3, 4–6, 6–1 in the final.

Seeds

All seeds receive a bye into the second round.

{{columns-list|colwidth=30em|

  1. {{flagicon|KOR}} Kwon Soon-woo (third round)
  2. {{flagicon|ESP}} Alejandro Davidovich Fokina (withdrew)
  3. {{flagicon|JPN}} Yūichi Sugita (third round)
  4. {{flagicon|JPN}} Go Soeda (quarterfinals)
  5. {{flagicon|TPE}} Jason Jung (quarterfinals)
  6. {{flagicon|CAN}} Steven Diez (second round)
  7. {{flagicon|TUN}} Malek Jaziri (second round, retired)
  8. {{flagicon|CHN}} Zhang Zhizhen (champion)
  9. {{flagicon|ESP}} Enrique López Pérez (third round)
  10. {{flagicon|IND}} Ramkumar Ramanathan (second round)
  11. {{flagicon|SRB}} Danilo Petrović (withdrew)
  12. {{flagicon|USA}} Christopher Eubanks (second round)
  13. {{flagicon|POR}} Frederico Ferreira Silva (semifinals, retired)
  14. {{flagicon|UZB}} Denis Istomin (second round, retired)
  15. {{flagicon|EGY}} Mohamed Safwat (semifinals)
  16. {{flagicon|CHN}} Bai Yan (third round)

}}

Draw

{{Draw key}}

=Finals=

{{8TeamBracket-Tennis3

| RD1=Quarterfinals

| RD2=Semifinals

| RD3=Final

| team-width=175

| RD1-seed1=15

| RD1-team1={{flagicon|EGY}} Mohamed Safwat

| RD1-score1-1=7

| RD1-score1-2=6

| RD1-score1-3=

| RD1-seed2=

| RD1-team2={{flagicon|KAZ}} Denis Yevseyev

| RD1-score2-1=5

| RD1-score2-2=2

| RD1-score2-3=

| RD1-seed3=

| RD1-team3={{flagicon|RUS}} Roman Safiullin

| RD1-score3-1=77

| RD1-score3-2=1

| RD1-score3-3=5

| RD1-seed4=

| RD1-team4={{flagicon|CHN}} Li Zhe

| RD1-score4-1=65

| RD1-score4-2=6

| RD1-score4-3=7

| RD1-seed5=8

| RD1-team5={{flagicon|CHN}} Zhang Zhizhen

| RD1-score5-1=77

| RD1-score5-2=6

| RD1-score5-3=

| RD1-seed6=4

| RD1-team6={{flagicon|JPN}} Go Soeda

| RD1-score6-1=60

| RD1-score6-2=4

| RD1-score6-3=

| RD1-seed7=5

| RD1-team7={{flagicon|TPE}} Jason Jung

| RD1-score7-1=65

| RD1-score7-2=6

| RD1-score7-3=4

| RD1-seed8=13

| RD1-team8={{flagicon|POR}} Frederico Ferreira Silva

| RD1-score8-1=77

| RD1-score8-2=4

| RD1-score8-3=6

| RD2-seed1=15

| RD2-team1={{flagicon|EGY}} Mohamed Safwat

| RD2-score1-1=4

| RD2-score1-2=2

| RD2-score1-3=

| RD2-seed2=

| RD2-team2={{flagicon|CHN}} Li Zhe

| RD2-score2-1=6

| RD2-score2-2=6

| RD2-score2-3=

| RD2-seed3=8

| RD2-team3={{flagicon|CHN}} Zhang Zhizhen

| RD2-score3-1=6

| RD2-score3-2=4

| RD2-score3-3=

| RD2-seed4=13

| RD2-team4={{flagicon|POR}} Frederico Ferreira Silva

| RD2-score4-1=1

| RD2-score4-2=1r

| RD2-score4-3=

| RD3-seed1=

| RD3-team1={{flagicon|CHN}} Li Zhe

| RD3-score1-1=3

| RD3-score1-2=6

| RD3-score1-3=1

| RD3-seed2=8

| RD3-team2={{flagicon|CHN}} Zhang Zhizhen

| RD3-score2-1=6

| RD3-score2-2=4

| RD3-score2-3=6

}}

=Top half=

==Section 1==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=

| RD1-team03={{flagicon|JPN}} K Uchida

| RD1-score03-1=5

| RD1-score03-2=1

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|KOR}} D-h Lee

| RD1-score04-1=7

| RD1-score04-2=6

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|FRA}} S Doumbia

| RD1-score05-1=3

| RD1-score05-2=3

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|RUS}} I Nedelko

| RD1-score06-1=6

| RD1-score06-2=6

| RD1-score06-3=

| RD1-seed11=

| RD1-team11={{flagicon|RUS}} T Gabashvili

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3=

| RD1-seed12=WC

| RD1-team12={{flagicon|CHN}} Li Yuanfeng

| RD1-score12-1=3

| RD1-score12-2=2

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|KAZ}} D Yevseyev

| RD1-score13-1=6

| RD1-score13-2=6

| RD1-score13-3=

| RD1-seed14=WC

| RD1-team14={{flagicon|CHN}} C Wang

| RD1-score14-1=0

| RD1-score14-2=1

| RD1-score14-3=

| RD2-seed01=1

| RD2-team01={{flagicon|KOR}} S-w Kwon

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|KOR}} D-h Lee

| RD2-score02-1=2

| RD2-score02-2=2

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|RUS}} I Nedelko

| RD2-score03-1=63

| RD2-score03-2=1

| RD2-score03-3=

| RD2-seed04=15

| RD2-team04={{flagicon|EGY}} M Safwat

| RD2-score04-1=77

| RD2-score04-2=6

| RD2-score04-3=

| RD2-seed05=12

| RD2-team05={{flagicon|USA}} C Eubanks

| RD2-score05-1=5

| RD2-score05-2=2

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|RUS}} T Gabashvili

| RD2-score06-1=7

| RD2-score06-2=6

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|KAZ}} D Yevseyev

| RD2-score07-1=6

| RD2-score07-2=6

| RD2-score07-3=

| RD2-seed08=6

| RD2-team08={{flagicon|CAN}} S Diez

| RD2-score08-1=3

| RD2-score08-2=2

| RD2-score08-3=

| RD3-seed01=1

| RD3-team01={{flagicon|KOR}} S-w Kwon

| RD3-score01-1=4

| RD3-score01-2=66

| RD3-score01-3=

| RD3-seed02=15

| RD3-team02={{flagicon|EGY}} M Safwat

| RD3-score02-1=6

| RD3-score02-2=78

| RD3-score02-3=

| RD3-seed03=

| RD3-team03={{flagicon|RUS}} T Gabashvili

| RD3-score03-1=4

| RD3-score03-2=7

| RD3-score03-3=64

| RD3-seed04=

| RD3-team04={{flagicon|KAZ}} D Yevseyev

| RD3-score04-1=6

| RD3-score04-2=5

| RD3-score04-3=77

| RD4-seed01=15

| RD4-team01={{flagicon|EGY}} M Safwat

| RD4-score01-1=7

| RD4-score01-2=6

| RD4-score01-3=

| RD4-seed02=

| RD4-team02={{flagicon|KAZ}} D Yevseyev

| RD4-score02-1=5

| RD4-score02-2=2

| RD4-score02-3=

}}

==Section 2==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=

| RD1-team03={{flagicon|CHN}} F Sun

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3=

| RD1-seed04=LL

| RD1-team04={{flagicon|CRO}} M Sabanov

| RD1-score04-1=4

| RD1-score04-2=4

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|UKR}} D Kalenichenko

| RD1-score05-1=60

| RD1-score05-2=4

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|RUS}} R Safiullin

| RD1-score06-1=77

| RD1-score06-2=6

| RD1-score06-3=

| RD1-seed11=

| RD1-team11={{flagicon|KOR}} Y-s Chung

| RD1-score11-1=4

| RD1-score11-2=3

| RD1-score11-3=

| RD1-seed12=Alt

| RD1-team12={{flagicon|CZE}} J Forejtek

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|KOR}} J-s Nam

| RD1-score13-1=2

| RD1-score13-2=1

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|CHN}} Z Li

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3=

| RD2-seed01=3

| RD2-team01={{flagicon|JPN}} Y Sugita

| RD2-score01-1=7

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|CHN}} F Sun

| RD2-score02-1=5

| RD2-score02-2=2

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|RUS}} R Safiullin

| RD2-score03-1=4

| RD2-score03-2=7

| RD2-score03-3=2

| RD2-seed04=14

| RD2-team04={{flagicon|UZB}} D Istomin

| RD2-score04-1=6

| RD2-score04-2=5

| RD2-score04-3=0r

| RD2-seed05=9

| RD2-team05={{flagicon|ESP}} E López Pérez

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=Alt

| RD2-team06={{flagicon|CZE}} J Forejtek

| RD2-score06-1=1

| RD2-score06-2=4

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|CHN}} Z Li

| RD2-score07-1=4

| RD2-score07-2=6

| RD2-score07-3=5

| RD2-seed08=7

| RD2-team08={{flagicon|TUN}} M Jaziri

| RD2-score08-1=6

| RD2-score08-2=4

| RD2-score08-3=0r

| RD3-seed01=3

| RD3-team01={{flagicon|JPN}} Y Sugita

| RD3-score01-1=6

| RD3-score01-2=5

| RD3-score01-3=3

| RD3-seed02=

| RD3-team02={{flagicon|RUS}} R Safiullin

| RD3-score02-1=2

| RD3-score02-2=7

| RD3-score02-3=6

| RD3-seed03=9

| RD3-team03={{flagicon|ESP}} E López Pérez

| RD3-score03-1=3

| RD3-score03-2=3

| RD3-score03-3=

| RD3-seed04=

| RD3-team04={{flagicon|CHN}} Z Li

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3=

| RD4-seed01=

| RD4-team01={{flagicon|RUS}} R Safiullin

| RD4-score01-1=77

| RD4-score01-2=1

| RD4-score01-3=5

| RD4-seed02=

| RD4-team02={{flagicon|CHN}} Z Li

| RD4-score02-1=65

| RD4-score02-2=6

| RD4-score02-3=7

}}

=Bottom half=

==Section 3==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=WC

| RD1-team03={{flagicon|CHN}} J Cui

| RD1-score03-1=78

| RD1-score03-2=1

| RD1-score03-3=4

| RD1-seed04=

| RD1-team04={{flagicon|POR}} G Oliveira

| RD1-score04-1=66

| RD1-score04-2=6

| RD1-score04-3=6

| RD1-seed05=

| RD1-team05={{flagicon|CRO}} B Gojo

| RD1-score05-1=6

| RD1-score05-2=77

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|NED}} T van Rijthoven

| RD1-score06-1=3

| RD1-score06-2=65

| RD1-score06-3=

| RD1-seed11=

| RD1-team11={{flagicon|UZB}} K Sultanov

| RD1-score11-1=6

| RD1-score11-2=6

| RD1-score11-3=

| RD1-seed12=

| RD1-team12={{flagicon|IND}} Sidharth Rawat

| RD1-score12-1=2

| RD1-score12-2=2

| RD1-score12-3=

| RD1-seed13=WC

| RD1-team13={{flagicon|CHN}} Y Mo

| RD1-score13-1=4

| RD1-score13-2=0

| RD1-score13-3=

| RD1-seed14=

| RD1-team14={{flagicon|RUS}} K Kravchuk

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3=

| RD2-seed01=8

| RD2-team01={{flagicon|CHN}} Zh Zhang

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|POR}} G Oliveira

| RD2-score02-1=0

| RD2-score02-2=1

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|CRO}} B Gojo

| RD2-score03-1=77

| RD2-score03-2=79

| RD2-score03-3=

| RD2-seed04=Q

| RD2-team04={{flagicon|FRA}} F Reboul

| RD2-score04-1=65

| RD2-score04-2=67

| RD2-score04-3=

| RD2-seed05=16

| RD2-team05={{flagicon|CHN}} Y Bai

| RD2-score05-1=6

| RD2-score05-2=7

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|UZB}} K Sultanov

| RD2-score06-1=3

| RD2-score06-2=5

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|RUS}} K Kravchuk

| RD2-score07-1=77

| RD2-score07-2=4

| RD2-score07-3=5

| RD2-seed08=4

| RD2-team08={{flagicon|JPN}} G Soeda

| RD2-score08-1=64

| RD2-score08-2=6

| RD2-score08-3=7

| RD3-seed01=8

| RD3-team01={{flagicon|CHN}} Zh Zhang

| RD3-score01-1=6

| RD3-score01-2=2

| RD3-score01-3=

| RD3-seed02=

| RD3-team02={{flagicon|CRO}} B Gojo

| RD3-score02-1=2

| RD3-score02-2=1r

| RD3-score02-3=

| RD3-seed03=16

| RD3-team03={{flagicon|CHN}} Y Bai

| RD3-score03-1=6

| RD3-score03-2=3

| RD3-score03-3=3

| RD3-seed04=4

| RD3-team04={{flagicon|JPN}} G Soeda

| RD3-score04-1=4

| RD3-score04-2=6

| RD3-score04-3=6

| RD4-seed01=8

| RD4-team01={{flagicon|CHN}} Zh Zhang

| RD4-score01-1=77

| RD4-score01-2=6

| RD4-score01-3=

| RD4-seed02=4

| RD4-team02={{flagicon|JPN}} G Soeda

| RD4-score02-1=60

| RD4-score02-2=4

| RD4-score02-3=

}}

==Section 4==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=

| RD1-team03={{flagicon|BRA}} B Sant'Anna

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3=

| RD1-seed04=WC

| RD1-team04={{flagicon|CHN}} X Gao

| RD1-score04-1=4

| RD1-score04-2=2

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|TPE}} T-l Wu

| RD1-score05-1=6

| RD1-score05-2=7

| RD1-score05-3=

| RD1-seed06=PR

| RD1-team06={{flagicon|COL}} N Barrientos

| RD1-score06-1=3

| RD1-score06-2=5

| RD1-score06-3=

| RD1-seed11=Q

| RD1-team11={{flagicon|CHN}} Duan Jiaqi

| RD1-score11-1=3

| RD1-score11-2=1

| RD1-score11-3=

| RD1-seed12=

| RD1-team12={{flagicon|TPE}} T-h Yang

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|CHN}} D Wu

| RD1-score13-1=1

| RD1-score13-2=79

| RD1-score13-3=3

| RD1-seed14=

| RD1-team14={{flagicon|TPE}} C-h Tseng

| RD1-score14-1=6

| RD1-score14-2=67

| RD1-score14-3=6

| RD2-seed01=5

| RD2-team01={{flagicon|TPE}} J Jung

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|BRA}} B Sant'Anna

| RD2-score02-1=4

| RD2-score02-2=3

| RD2-score02-3=

| RD2-seed03=

| RD2-team03={{flagicon|TPE}} T-l Wu

| RD2-score03-1=6

| RD2-score03-2=78

| RD2-score03-3=

| RD2-seed04=10

| RD2-team04={{flagicon|IND}} R Ramanathan

| RD2-score04-1=3

| RD2-score04-2=66

| RD2-score04-3=

| RD2-seed05=13

| RD2-team05={{flagicon|POR}} F Ferreira Silva

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|TPE}} T-h Yang

| RD2-score06-1=3

| RD2-score06-2=0

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|TPE}} C-h Tseng

| RD2-score07-1=77

| RD2-score07-2=2

| RD2-score07-3=

| RD2-seed08=LL

| RD2-team08={{flagicon|JPN}} T Matsui

| RD2-score08-1=63

| RD2-score08-2=1r

| RD2-score08-3=

| RD3-seed01=5

| RD3-team01={{flagicon|TPE}} J Jung

| RD3-score01-1=77

| RD3-score01-2=6

| RD3-score01-3=

| RD3-seed02=

| RD3-team02={{flagicon|TPE}} T-l Wu

| RD3-score02-1=62

| RD3-score02-2=4

| RD3-score02-3=

| RD3-seed03=13

| RD3-team03={{flagicon|POR}} F Ferreira Silva

| RD3-score03-1=65

| RD3-score03-2=6

| RD3-score03-3=6

| RD3-seed04=

| RD3-team04={{flagicon|TPE}} C-h Tseng

| RD3-score04-1=77

| RD3-score04-2=3

| RD3-score04-3=4

| RD4-seed01=5

| RD4-team01={{flagicon|TPE}} J Jung

| RD4-score01-1=65

| RD4-score01-2=6

| RD4-score01-3=4

| RD4-seed02=13

| RD4-team02={{flagicon|POR}} F Ferreira Silva

| RD4-score02-1=77

| RD4-score02-2=4

| RD4-score02-3=6

}}

References

{{reflist}}