2019 Challenger Banque Nationale de Gatineau – Men's singles

Men's singles
2019 Challenger Banque Nationale de Gatineau
Champion	Jason Kubler
Runner-up	Enzo Couacaud
Score	6–4, 6–4

Main article: 2019 Challenger Banque Nationale de Gatineau

Bradley Klahn was the defending champion but chose not to defend his title.

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.

1. Antoine Hoang (Second round)
2. Kwon Soon-woo (Third round)
3. Peter Polansky (Third round)
4. Michael Mmoh (Third round)
5. Dudi Sela (Third round)
6. Norbert Gombos (Quarterfinals)
7. Mikael Torpegaard (Second round)
8. Yasutaka Uchiyama (Third round)
9. Vasek Pospisil (Withdrew)
10. Jason Kubler (Champion)
11. Marc Polmans (Quarterfinals)
12. Darian King (Semifinals)
13. Maxime Janvier (Quarterfinals)
14. Thanasi Kokkinakis (Withdrew)
15. Enzo Couacaud (Final)
16. Lee Duck-hee (Quarterfinals)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Quarterfinals							Semifinals							Final
	16	Lee Duck-hee	2	3
	10	Jason Kubler	6	6
								10	Jason Kubler	6	6
									João Menezes	3	1
		João Menezes	4	7	7
	6	Norbert Gombos	6	5	5
															10	Jason Kubler	6	6
															15	Enzo Couacaud	4	4
	12	Darian King	6	1	6
	13	Maxime Janvier	3	6	1
								12	Darian King	2	4
								15	Enzo Couacaud	6	6
	11	Marc Polmans	1	4
	15	Enzo Couacaud	6	6

Top half

Section 1

	First Round							Second Round							Third Round							Quarterfinals
								1	A Hoang	3	6	64
	WC	Alexis Galarneau	7	2	6			WC	A Galarneau	6	3	77
		MT Barrios Vera	5	6	3										WC	A Galarneau	3	5
		E Escobedo	6	6											16	D-h Lee	6	7
		A Sarkissian	1	3					E Escobedo	4	6	64
								16	D-h Lee	6	4	77
																						16	D-h Lee	2	3
																						10	J Kubler	6	6
								10	J Kubler	6	6
	ITF	E Hoyt	1	4					H Moriya	2	2
		H Moriya	6	6											10	J Kubler	6	7
		Mi Redlicki	6	4	7										5	D Sela	2	5
		D Petrović	3	6	5				Mi Redlicki	2	1
								5	D Sela	6	6

Section 2

	First Round							Second Round							Third Round							Quarterfinals
								3	P Polansky	5	6	6
		K Uchida	6	6					K Uchida	7	2	1
		Roy Smith	3	4											3	P Polansky	6	4	2
		J Menezes	6	6												J Menezes	4	6	6
	Q	D Novikov	4	2					J Menezes	4	6	6
									A Harris	6	3	4
																							J Menezes	4	7	7
																						6	N Gombos	6	5	5
								LL	B Klein	4	5
		Z Li	1	1				Alt	M Neuchrist	6	7
	Alt	M Neuchrist	6	6											Alt	M Neuchrist	65	3
		R Ortega Olmedo	1	4											6	N Gombos	77	6
	ITF	S Mansouri	6	6				ITF	S Mansouri	0	4
								6	N Gombos	6	6

Bottom half

Section 3

	First Round							Second Round							Third Round							Quarterfinals
								8	Y Uchiyama	6	6
		Yo Watanuki	66	6	6				Yo Watanuki	4	2
	Q	Jacob Grills	78	1	0										8	Y Uchiyama	6	2	3
	WC	Liam Draxl	6	6											12	D King	4	6	6
	ITF	Jordi Arconada	2	4				WC	L Draxl	6	5	2
								12	D King	3	7	6
																						12	D King	6	1	6
																						13	M Janvier	3	6	1
								13	M Janvier	4	77	6
		B Gojo	5	6	6				B Gojo	6	64	3
	WC	Benjamin Sigouin	7	3	2										13	M Janvier	7	5	6
		C Altamirano	1	61											4	M Mmoh	5	7	4
	WC	Brandon Holt	6	77				WC	B Holt	4	2
								4	M Mmoh	6	6

Section 4

	First Round							Second Round							Third Round							Quarterfinals
								7	M Torpegaard	4	6	2
		M Banes	3	2					C İlkel	6	4	6
		C İlkel	6	6												C İlkel	3	6	1
		JJ Wolf	6	6											11	M Polmans	6	1	6
		G Sakharov	4	2					JJ Wolf	3	6	5
								11	M Polmans	6	4	7
																						11	M Polmans	1	4
																						15	E Couacaud	6	6
								15	E Couacaud	6	6
		A Santillan	6	3	1			PR	C Gómez-Herrera	2	3
	PR	C Gómez-Herrera	3	6	6										15	E Couacaud	7	7
	ITF	Shintaro Imai	6	2	7										2	S-w Kwon	5	5
	ITF	A Tabilo	4	6	5			ITF	S Imai	2	3
								2	S-w Kwon	6	6

References

• Main Draw
• Qualifying Draw