2019 Challenger Banque Nationale de Granby – Men's singles

Peter Polansky was the defending champion^[1] but lost in the semifinals to Yasutaka Uchiyama.

Men's singles
2019 Challenger Banque Nationale de Granby
Champion	Ernesto Escobedo
Runner-up	Yasutaka Uchiyama
Score	7–6(7–5), 6–4

Main article: 2019 Challenger Banque Nationale de Granby

Ernesto Escobedo won the title after defeating Uchiyama 7–6^(7–5), 6–4 in the final.

Seeds

All seeds receive a bye into the second round.

1. Norbert Gombos (third round)
2. Peter Polansky (semifinals)
3. Yasutaka Uchiyama (final)
4. Vasek Pospisil (third round)
5. Maxime Janvier (second round)
6. Enzo Couacaud (quarterfinals)
7. Andrew Harris (third round)
8. Jason Kubler (withdrew)
9. Steven Diez (quarterfinals)
10. Li Zhe (quarterfinals)
11. Yosuke Watanuki (second round)
12. Akira Santillan (second round)
13. Hiroki Moriya (quarterfinals)
14. Kaichi Uchida (second round)
15. Maverick Banes (second round)
16. Danilo Petrović (third round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Quarterfinals							Semifinals							Final
	13	Hiroki Moriya	62	4
		Borna Gojo	77	6
									Borna Gojo	77	63	2
									Ernesto Escobedo	63	77	6
		Ernesto Escobedo	7	7
	6	Enzo Couacaud	5	5
																Ernesto Escobedo	77	6
															3	Yasutaka Uchiyama	65	4
	10	Li Zhe	77	4	1
	3	Yasutaka Uchiyama	63	6	6
								3	Yasutaka Uchiyama	79	6
								2	Peter Polansky	67	4
	9	Steven Diez	3	64
	2	Peter Polansky	6	77

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	N Gombos	6	7
	ITF	E Hoyt	4	6	65			ITF	S Mansouri	4	5
	ITF	S Mansouri	6	3	77										1	N Gombos	3	65
	WC	T Baadi	77	4	2										13	H Moriya	6	77
		B Sigouin	60	6	6				B Sigouin	3	77	3
								13	H Moriya	6	65	6
																						13	H Moriya	62	4
																							B Gojo	77	6
								12	A Santillan	0	77	4
		M Neuchrist	6	77					M Neuchrist	6	65	6
		D Novikov	4	64												M Neuchrist	3	0r
		B Gojo	6	6												B Gojo	6	3
	WC	J Boulais	2	2					B Gojo	6	6
								Alt	A Göransson	4	3

Section 2

	First round							Second round							Third round							Quarterfinals
								4/WC	V Pospisil	6	6
	ITF	Joshua Peck	6	6				ITF	J Peck	3	3
		Tobias Simon	4	4											4/WC	V Pospisil	6	2	3
		E Escobedo	6	3	6											E Escobedo	4	6	6
	Alt	S Verbeek	3	6	2				E Escobedo	7	6
								14	K Uchida	5	3
																							E Escobedo	7	7
																						6	E Couacaud	5	5
								11	Yo Watanuki	4	5
	ITF	Alexander Lebedev	3	6	0				G Sakharov	6	7
		G Sakharov	6	1	6											G Sakharov	1	4
		E Zhu	6	5	6										6	E Couacaud	6	6
		H Nys	4	7	3				E Zhu	4	6	3
								6	E Couacaud	6	3	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	M Janvier	5	3
		C İlkel	6	6					C İlkel	7	6
		Jacob Grills	1	0												C İlkel	6	63	5
	ITF	Issei Okamura	4	4											10	Z Li	4	77	7
		T Garanganga	6	6					T Garanganga	63	66
								10	Z Li	77	78
																						10	Z Li	77	4	1
																						3	Y Uchiyama	63	6	6
								16	D Petrović	77	6
		A Sarkissian	7	6					A Sarkissian	65	4
	WC	Nicaise Muamba	5	2											16	D Petrović	4	4
		Pavel Krainik	6	66	0										3	Y Uchiyama	6	6
		M Sánchez	3	78	6				M Sánchez	4	1r
								3	Y Uchiyama	6	4

Section 4

	First round							Second round							Third round							Quarterfinals
								7	A Harris	6	6
	ITF	Y Mertens	6	6				ITF	Y Mertens	1	1
	Q	Kooros Ghasemi	2	0											7	A Harris	4	2
	WC	B Holt	6	6											9	S Diez	6	6
		L Draxl	4	4				WC	B Holt	2	4
								9	S Diez	6	6
																						9	S Diez	3	64
																						2	P Polansky	6	77
								15	M Banes	3	2
		A Galarneau	6	77					A Galarneau	6	6
	Q	H Reese	2	62												A Galarneau	5	2
		B Klein	68	5											2	P Polansky	7	6
	ITF	Jordi Arconada	710	7				ITF	J Arconada	1	6	2
								2	P Polansky	6	4	6