2019 Challenger Banque Nationale de Gatineau – Men's singles

{{Infobox tennis tournament event|2019|Challenger Banque Nationale de Gatineau|

| champ = {{flagicon|AUS}} Jason Kubler

| runner = {{flagicon|FRA}} Enzo Couacaud

| score = 6–4, 6–4

| edition =

| main_name = Challenger de Gatineau

| before_name = Challenger Banque Nationale de Gatineau – Men's singles

| after_name = Challenger Banque Nationale de Gatineau – Men's singles

}}

{{main article|2019 Challenger Banque Nationale de Gatineau}}

Bradley Klahn was the defending champion but chose not to defend his title.{{Cite web|url=https://www.tennisworldusa.org/tennis/news/Challenger_Tour/58097/thiemo-de-bakker-and-bradley-klahn-are-back-maiden-title-for-ofner/|title=Thiemo de Bakker and Bradley Klahn are back! Maiden title for Ofner|website=Tennis World USA}}

Jason Kubler won the title after defeating Enzo Couacaud 6–4, 6–4 in the final.

Seeds

All seeds receive a bye into the second round.

{{columns-list|colwidth=30em|

  1. {{flagicon|FRA}} Antoine Hoang (second round)
  2. {{flagicon|KOR}} Kwon Soon-woo (third round)
  3. {{flagicon|CAN}} Peter Polansky (third round)
  4. {{flagicon|USA}} Michael Mmoh (third round)
  5. {{flagicon|ISR}} Dudi Sela (third round)
  6. {{flagicon|SVK}} Norbert Gombos (quarterfinals)
  7. {{flagicon|DEN}} Mikael Torpegaard (second round)
  8. {{flagicon|JPN}} Yasutaka Uchiyama (third round)
  9. {{flagicon|CAN}} Vasek Pospisil (withdrew)
  10. {{flagicon|AUS}} Jason Kubler (champion)
  11. {{flagicon|AUS}} Marc Polmans (quarterfinals)
  12. {{flagicon|BAR}} Darian King (semifinals)
  13. {{flagicon|FRA}} Maxime Janvier (quarterfinals)
  14. {{flagicon|AUS}} Thanasi Kokkinakis (withdrew)
  15. {{flagicon|FRA}} Enzo Couacaud (final)
  16. {{flagicon|KOR}} Lee Duck-hee (quarterfinals)

}}

Draw

{{Draw key}}

=Finals=

{{8TeamBracket-Tennis3

| RD1=Quarterfinals

| RD2=Semifinals

| RD3=Final

| team-width=175

| RD1-seed1=16

| RD1-team1={{flagicon|KOR}} Lee Duck-hee

| RD1-score1-1=2

| RD1-score1-2=3

| RD1-score1-3=

| RD1-seed2=10

| RD1-team2={{flagicon|AUS}} Jason Kubler

| RD1-score2-1=6

| RD1-score2-2=6

| RD1-score2-3=

| RD1-seed3=

| RD1-team3={{flagicon|BRA}} João Menezes

| RD1-score3-1=4

| RD1-score3-2=7

| RD1-score3-3=7

| RD1-seed4=6

| RD1-team4={{flagicon|SVK}} Norbert Gombos

| RD1-score4-1=6

| RD1-score4-2=5

| RD1-score4-3=5

| RD1-seed5=12

| RD1-team5={{flagicon|BAR}} Darian King

| RD1-score5-1=6

| RD1-score5-2=1

| RD1-score5-3=6

| RD1-seed6=13

| RD1-team6={{flagicon|FRA}} Maxime Janvier

| RD1-score6-1=3

| RD1-score6-2=6

| RD1-score6-3=1

| RD1-seed7=11

| RD1-team7={{flagicon|AUS}} Marc Polmans

| RD1-score7-1=1

| RD1-score7-2=4

| RD1-score7-3=

| RD1-seed8=15

| RD1-team8={{flagicon|FRA}} Enzo Couacaud

| RD1-score8-1=6

| RD1-score8-2=6

| RD1-score8-3=

| RD2-seed1=10

| RD2-team1={{flagicon|AUS}} Jason Kubler

| RD2-score1-1=6

| RD2-score1-2=6

| RD2-score1-3=

| RD2-seed2=

| RD2-team2={{flagicon|BRA}} João Menezes

| RD2-score2-1=3

| RD2-score2-2=1

| RD2-score2-3=

| RD2-seed3=12

| RD2-team3={{flagicon|BAR}} Darian King

| RD2-score3-1=2

| RD2-score3-2=4

| RD2-score3-3=

| RD2-seed4=15

| RD2-team4={{flagicon|FRA}} Enzo Couacaud

| RD2-score4-1=6

| RD2-score4-2=6

| RD2-score4-3=

| RD3-seed1=10

| RD3-team1={{flagicon|AUS}} Jason Kubler

| RD3-score1-1=6

| RD3-score1-2=6

| RD3-score1-3=

| RD3-seed2=15

| RD3-team2={{flagicon|FRA}} Enzo Couacaud

| RD3-score2-1=4

| RD3-score2-2=4

| RD3-score2-3=

}}

=Top half=

==Section 1==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=WC

| RD1-team03={{flagicon|CAN}} A Galarneau

| RD1-score03-1=7

| RD1-score03-2=2

| RD1-score03-3=6

| RD1-seed04=

| RD1-team04={{flagicon|CHI}} MT Barrios Vera

| RD1-score04-1=5

| RD1-score04-2=6

| RD1-score04-3=3

| RD1-seed05=

| RD1-team05={{flagicon|USA}} E Escobedo

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|USA}} A Sarkissian

| RD1-score06-1=1

| RD1-score06-2=3

| RD1-score06-3=

| RD1-seed11=ITF

| RD1-team11={{flagicon|GBR}} E Hoyt

| RD1-score11-1=1

| RD1-score11-2=4

| RD1-score11-3=

| RD1-seed12=

| RD1-team12={{flagicon|JPN}} H Moriya

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|USA}} Mi Redlicki

| RD1-score13-1=6

| RD1-score13-2=4

| RD1-score13-3=7

| RD1-seed14=

| RD1-team14={{flagicon|SRB}} D Petrović

| RD1-score14-1=3

| RD1-score14-2=6

| RD1-score14-3=5

| RD2-seed01=1

| RD2-team01={{flagicon|FRA}} A Hoang

| RD2-score01-1=3

| RD2-score01-2=6

| RD2-score01-3=64

| RD2-seed02=WC

| RD2-team02={{flagicon|CAN}} A Galarneau

| RD2-score02-1=6

| RD2-score02-2=3

| RD2-score02-3=77

| RD2-seed03=

| RD2-team03={{flagicon|USA}} E Escobedo

| RD2-score03-1=4

| RD2-score03-2=6

| RD2-score03-3=64

| RD2-seed04=16

| RD2-team04={{flagicon|KOR}} D-h Lee

| RD2-score04-1=6

| RD2-score04-2=4

| RD2-score04-3=77

| RD2-seed05=10

| RD2-team05={{flagicon|AUS}} J Kubler

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=

| RD2-team06={{flagicon|JPN}} H Moriya

| RD2-score06-1=2

| RD2-score06-2=2

| RD2-score06-3=

| RD2-seed07=

| RD2-team07={{flagicon|USA}} Mi Redlicki

| RD2-score07-1=2

| RD2-score07-2=1

| RD2-score07-3=

| RD2-seed08=5

| RD2-team08={{flagicon|ISR}} D Sela

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=WC

| RD3-team01={{flagicon|CAN}} A Galarneau

| RD3-score01-1=3

| RD3-score01-2=5

| RD3-score01-3=

| RD3-seed02=16

| RD3-team02={{flagicon|KOR}} D-h Lee

| RD3-score02-1=6

| RD3-score02-2=7

| RD3-score02-3=

| RD3-seed03=10

| RD3-team03={{flagicon|AUS}} J Kubler

| RD3-score03-1=6

| RD3-score03-2=7

| RD3-score03-3=

| RD3-seed04=5

| RD3-team04={{flagicon|ISR}} D Sela

| RD3-score04-1=2

| RD3-score04-2=5

| RD3-score04-3=

| RD4-seed01=16

| RD4-team01={{flagicon|KOR}} D-h Lee

| RD4-score01-1=2

| RD4-score01-2=3

| RD4-score01-3=

| RD4-seed02=10

| RD4-team02={{flagicon|AUS}} J Kubler

| RD4-score02-1=6

| RD4-score02-2=6

| 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|JPN}} K Uchida

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|USA}} Roy Smith

| RD1-score04-1=3

| RD1-score04-2=4

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|BRA}} J Menezes

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3=

| RD1-seed06=Q

| RD1-team06={{flagicon|USA}} D Novikov

| RD1-score06-1=4

| RD1-score06-2=2

| RD1-score06-3=

| RD1-seed11=

| RD1-team11={{flagicon|CHN}} Z Li

| RD1-score11-1=1

| RD1-score11-2=1

| RD1-score11-3=

| RD1-seed12=Alt

| RD1-team12={{flagicon|AUT}} M Neuchrist

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3=

| RD1-seed13=

| RD1-team13={{flagicon|ESP}} R Ortega Olmedo

| RD1-score13-1=1

| RD1-score13-2=4

| RD1-score13-3=

| RD1-seed14=ITF

| RD1-team14={{flagicon|TUN}} S Mansouri

| RD1-score14-1=6

| RD1-score14-2=6

| RD1-score14-3=

| RD2-seed01=3

| RD2-team01={{flagicon|CAN}} P Polansky

| RD2-score01-1=5

| RD2-score01-2=6

| RD2-score01-3=6

| RD2-seed02=

| RD2-team02={{flagicon|JPN}} K Uchida

| RD2-score02-1=7

| RD2-score02-2=2

| RD2-score02-3=1

| RD2-seed03=

| RD2-team03={{flagicon|BRA}} J Menezes

| RD2-score03-1=4

| RD2-score03-2=6

| RD2-score03-3=6

| RD2-seed04=

| RD2-team04={{flagicon|AUS}} A Harris

| RD2-score04-1=6

| RD2-score04-2=3

| RD2-score04-3=4

| RD2-seed05=LL

| RD2-team05={{flagicon|GBR}} B Klein

| RD2-score05-1=4

| RD2-score05-2=5

| RD2-score05-3=

| RD2-seed06=Alt

| RD2-team06={{flagicon|AUT}} M Neuchrist

| RD2-score06-1=6

| RD2-score06-2=7

| RD2-score06-3=

| RD2-seed07=ITF

| RD2-team07={{flagicon|TUN}} S Mansouri

| RD2-score07-1=0

| RD2-score07-2=4

| RD2-score07-3=

| RD2-seed08=6

| RD2-team08={{flagicon|SVK}} N Gombos

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=3

| RD3-team01={{flagicon|CAN}} P Polansky

| RD3-score01-1=6

| RD3-score01-2=4

| RD3-score01-3=2

| RD3-seed02=

| RD3-team02={{flagicon|BRA}} J Menezes

| RD3-score02-1=4

| RD3-score02-2=6

| RD3-score02-3=6

| RD3-seed03=Alt

| RD3-team03={{flagicon|AUT}} M Neuchrist

| RD3-score03-1=65

| RD3-score03-2=3

| RD3-score03-3=

| RD3-seed04=6

| RD3-team04={{flagicon|SVK}} N Gombos

| RD3-score04-1=77

| RD3-score04-2=6

| RD3-score04-3=

| RD4-seed01=

| RD4-team01={{flagicon|BRA}} J Menezes

| RD4-score01-1=4

| RD4-score01-2=7

| RD4-score01-3=7

| RD4-seed02=6

| RD4-team02={{flagicon|SVK}} N Gombos

| RD4-score02-1=6

| RD4-score02-2=5

| RD4-score02-3=5

}}

=Bottom half=

==Section 3==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=

| RD1-team03={{flagicon|JPN}} Yo Watanuki

| RD1-score03-1=66

| RD1-score03-2=6

| RD1-score03-3=6

| RD1-seed04=Q

| RD1-team04={{flagicon|AUS}} Jacob Grills

| RD1-score04-1=78

| RD1-score04-2=1

| RD1-score04-3=0

| RD1-seed05=WC

| RD1-team05={{flagicon|CAN}} L Draxl

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3=

| RD1-seed06=ITF

| RD1-team06={{flagicon|USA}} Jordi Arconada

| RD1-score06-1=2

| RD1-score06-2=4

| RD1-score06-3=

| RD1-seed11=

| RD1-team11={{flagicon|CRO}} B Gojo

| RD1-score11-1=5

| RD1-score11-2=6

| RD1-score11-3=6

| RD1-seed12=WC

| RD1-team12={{flagicon|CAN}} B Sigouin

| RD1-score12-1=7

| RD1-score12-2=3

| RD1-score12-3=2

| RD1-seed13=

| RD1-team13={{flagicon|USA}} C Altamirano

| RD1-score13-1=1

| RD1-score13-2=61

| RD1-score13-3=

| RD1-seed14=WC

| RD1-team14={{flagicon|USA}} B Holt

| RD1-score14-1=6

| RD1-score14-2=77

| RD1-score14-3=

| RD2-seed01=8

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

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3=

| RD2-seed02=

| RD2-team02={{flagicon|JPN}} Yo Watanuki

| RD2-score02-1=4

| RD2-score02-2=2

| RD2-score02-3=

| RD2-seed03=WC

| RD2-team03={{flagicon|CAN}} L Draxl

| RD2-score03-1=6

| RD2-score03-2=5

| RD2-score03-3=2

| RD2-seed04=12

| RD2-team04={{flagicon|BAR}} D King

| RD2-score04-1=3

| RD2-score04-2=7

| RD2-score04-3=6

| RD2-seed05=13

| RD2-team05={{flagicon|FRA}} M Janvier

| RD2-score05-1=4

| RD2-score05-2=77

| RD2-score05-3=6

| RD2-seed06=

| RD2-team06={{flagicon|CRO}} B Gojo

| RD2-score06-1=6

| RD2-score06-2=64

| RD2-score06-3=3

| RD2-seed07=WC

| RD2-team07={{flagicon|USA}} B Holt

| RD2-score07-1=4

| RD2-score07-2=2

| RD2-score07-3=

| RD2-seed08=4

| RD2-team08={{flagicon|USA}} M Mmoh

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=8

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

| RD3-score01-1=6

| RD3-score01-2=2

| RD3-score01-3=3

| RD3-seed02=12

| RD3-team02={{flagicon|BAR}} D King

| RD3-score02-1=4

| RD3-score02-2=6

| RD3-score02-3=6

| RD3-seed03=13

| RD3-team03={{flagicon|FRA}} M Janvier

| RD3-score03-1=7

| RD3-score03-2=5

| RD3-score03-3=6

| RD3-seed04=4

| RD3-team04={{flagicon|USA}} M Mmoh

| RD3-score04-1=5

| RD3-score04-2=7

| RD3-score04-3=4

| RD4-seed01=12

| RD4-team01={{flagicon|BAR}} D King

| RD4-score01-1=6

| RD4-score01-2=1

| RD4-score01-3=6

| RD4-seed02=13

| RD4-team02={{flagicon|FRA}} M Janvier

| RD4-score02-1=3

| RD4-score02-2=6

| RD4-score02-3=1

}}

==Section 4==

{{16TeamBracket-Compact-Tennis3-Byes

| RD1=First round

| RD2=Second round

| RD3=Third round

| RD4=Quarterfinals

| RD1-seed03=

| RD1-team03={{flagicon|AUS}} M Banes

| RD1-score03-1=3

| RD1-score03-2=2

| RD1-score03-3=

| RD1-seed04=

| RD1-team04={{flagicon|TUR}} C İlkel

| RD1-score04-1=6

| RD1-score04-2=6

| RD1-score04-3=

| RD1-seed05=

| RD1-team05={{flagicon|USA}} J. J. Wolf

| RD1-score05-1=6

| RD1-score05-2=6

| RD1-score05-3=

| RD1-seed06=

| RD1-team06={{flagicon|FRA}} G Sakharov

| RD1-score06-1=4

| RD1-score06-2=2

| RD1-score06-3=

| RD1-seed11=

| RD1-team11={{flagicon|AUS}} A Santillan

| RD1-score11-1=6

| RD1-score11-2=3

| RD1-score11-3=1

| RD1-seed12=PR

| RD1-team12={{flagicon|ESP}} C Gómez-Herrera

| RD1-score12-1=3

| RD1-score12-2=6

| RD1-score12-3=6

| RD1-seed13=ITF

| RD1-team13={{flagicon|JPN}} Shintaro Imai

| RD1-score13-1=6

| RD1-score13-2=2

| RD1-score13-3=7

| RD1-seed14=ITF

| RD1-team14={{flagicon|CHI}} A Tabilo

| RD1-score14-1=4

| RD1-score14-2=6

| RD1-score14-3=5

| RD2-seed01=7

| RD2-team01={{flagicon|DEN}} M Torpegaard

| RD2-score01-1=4

| RD2-score01-2=6

| RD2-score01-3=2

| RD2-seed02=

| RD2-team02={{flagicon|TUR}} C İlkel

| RD2-score02-1=6

| RD2-score02-2=4

| RD2-score02-3=6

| RD2-seed03=

| RD2-team03={{flagicon|USA}} J. J. Wolf

| RD2-score03-1=3

| RD2-score03-2=6

| RD2-score03-3=5

| RD2-seed04=11

| RD2-team04={{flagicon|AUS}} M Polmans

| RD2-score04-1=6

| RD2-score04-2=4

| RD2-score04-3=7

| RD2-seed05=15

| RD2-team05={{flagicon|FRA}} E Couacaud

| RD2-score05-1=6

| RD2-score05-2=6

| RD2-score05-3=

| RD2-seed06=PR

| RD2-team06={{flagicon|ESP}} C Gómez-Herrera

| RD2-score06-1=2

| RD2-score06-2=3

| RD2-score06-3=

| RD2-seed07=ITF

| RD2-team07={{flagicon|JPN}} S Imai

| RD2-score07-1=2

| RD2-score07-2=3

| RD2-score07-3=

| RD2-seed08=2

| RD2-team08={{flagicon|KOR}} S-w Kwon

| RD2-score08-1=6

| RD2-score08-2=6

| RD2-score08-3=

| RD3-seed01=

| RD3-team01={{flagicon|TUR}} C İlkel

| RD3-score01-1=3

| RD3-score01-2=6

| RD3-score01-3=1

| RD3-seed02=11

| RD3-team02={{flagicon|AUS}} M Polmans

| RD3-score02-1=6

| RD3-score02-2=1

| RD3-score02-3=6

| RD3-seed03=15

| RD3-team03={{flagicon|FRA}} E Couacaud

| RD3-score03-1=7

| RD3-score03-2=7

| RD3-score03-3=

| RD3-seed04=2

| RD3-team04={{flagicon|KOR}} S-w Kwon

| RD3-score04-1=5

| RD3-score04-2=5

| RD3-score04-3=

| RD4-seed01=11

| RD4-team01={{flagicon|AUS}} M Polmans

| RD4-score01-1=1

| RD4-score01-2=4

| RD4-score01-3=

| RD4-seed02=15

| RD4-team02={{flagicon|FRA}} E Couacaud

| RD4-score02-1=6

| RD4-score02-2=6

| RD4-score02-3=

}}

References

{{reflist}}