2018 Challenger Banque Nationale de Gatineau – Men's Singles

Denis Shapovalov was the defending champion but chose not to defend his title.

Men's Singles
2018 Challenger Banque Nationale de Gatineau
Champion	Bradley Klahn
Runner-up	Ugo Humbert
Final score	6–3, 7–6^(7–5)

Bradley Klahn won the title after defeating Ugo Humbert 6–3, 7–6^(7–5) in the final.

Seeds

1. Peter Polansky (Quarterfinals)
2. Jason Kubler (Semifinals)
3. Darian King (Second round)
4. Tatsuma Ito (First round)
5. Bradley Klahn (Champion)
6. Liam Broady (First round)
7. Go Soeda (Semifinals)
8. Filip Peliwo (First round)

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

Finals

	Semifinals							Final
		Ugo Humbert	6	6
	7	Go Soeda	4	1
									Ugo Humbert	3	6^5
								5	Bradley Klahn	6	7^7
	5	Bradley Klahn	6	6
	2	Jason Kubler	2	3

Top half

	First Round							Second Round							Quarterfinals							Semifinals
	1	P Polansky	7^7	6^7	7
	Q	R Rodríguez	6^5	7^9	5			1	P Polansky	6	7
	WC	Pavel Krainik	4	6	6			WC	P Krainik	2	5
	WC	Samuel Monette	6	4	4										1	P Polansky	7^7	6^3	6^4
		B Schnur	3	1												U Humbert	6^4	7^7	7^7
		U Humbert	6	6					U Humbert	6	6
	WC	Benjamin Sigouin	6	6				WC	B Sigouin	4	4
	6	L Broady	4	2																			U Humbert	6	6
	4	T Ito	7^7	3	5																	7	G Soeda	4	1
		M Neuchrist	6^2	6	7				M Neuchrist	1
		Renta Tokuda	6	6^1	6				R Tokuda	1^r
	Q	E Leshem	4	7^7	3											M Neuchrist	6^3	3
	Q	Jacob Grills	6	7^7											7	G Soeda	7^7	6
		A Sarkissian	3	6^3				Q	J Grills	6	1	4
		Y Takahashi	4	3				7	G Soeda	2	6	6
	7	G Soeda	6	6

Bottom half

	First Round							Second Round							Quarterfinals							Semifinals
	5	B Klahn	7	7^7
		B Mousley	5	6^3				5	B Klahn	7	6
	Q	Y-s Chung	7^7	6				Q	Y-s Chung	5	4
		M Krueger	6^3	4											5	B Klahn	6^7	6	6
		A Ward	4	6^3												Z Li	7^9	4	3
		Z Li	6	7^7					Z Li	2	6	6
	WC	Alexis Galarneau	6^5	5				3	D King	6	4	0
	3	D King	7^7	7																		5	B Klahn	6	6
	8	F Peliwo	6	4	5																	2	J Kubler	2	3
		E Escobedo	3	6	7				E Escobedo	6	3	7^7
		J Menezes	6	6					J Menezes	2	6	6^5
		L Miedler	3	3												E Escobedo	6^4	7^7	3
		L Grigelis	6	7											2	J Kubler	7^7	6^3	6
		S Napolitano	2	5					L Grigelis	6^5	6	4
		K Uchida	1	2				2	J Kubler	7^7	4	6
	2	J Kubler	6	6

References

• Main Draw
• Qualifying Draw