2025 ASB Classic – Men's singles

Men's singles
2025 ASB Classic
Final
Champion	Gaël Monfils
Runner-up	Zizou Bergs
Score	6–3, 6–4
Details
Draw	28
Seeds	8
Events
Singles men women Doubles men women
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Gaël Monfils defeated Zizou Bergs in the final, 6–3, 6–4 to win the men's singles tennis title at the 2025 ASB Classic. It was his 13th ATP Tour title. Aged 38 years and 131 days old, Monfils became the oldest men's singles champion on the ATP Tour since its establishment in 1990, and the third-oldest men's singles tour-level champion in the Open Era.^[1]

Alejandro Tabilo was the defending champion,^[2] but lost in the second round to Nishesh Basavareddy.^[3]

The top four seeds received a bye into the second round.

	Semifinals							Final
	7	Nuno Borges	2	6	5
	Q	Zizou Bergs	6	3	7
								Q	Zizou Bergs	3	4
									Gaël Monfils	6	6
		Gaël Monfils	77	6
	Q	Nishesh Basavareddy	65	4

	First round							Second round							Quarterfinals							Semifinals
								1	B Shelton	62	6	5
	LL	P Carreño Busta	2	6	5				J Menšík	77	4	7
		J Menšík	6	4	7											J Menšík	77	2	64
		M Navone	78	65	6										7	N Borges	64	6	77
	LL	A Mannarino	66	77	1				M Navone	6	5	4
		L Darderi	7	3	5			7	N Borges	4	7	6
	7	N Borges	5	6	7																	7	N Borges	2	6	5
																						Q	Z Bergs	6	3	7
								4	F Cerúndolo	2	5
		R Carballés Baena	6	3	7				R Carballés Baena	6	7
	LL	D Altmaier	3	6	5											R Carballés Baena	6	2	3
	Q	Z Bergs	6	7											Q	Z Bergs	1	6	6
	WC	I Becroft	3	5				Q	Z Bergs	6	6
	Q	L Nardi	6	1				Q	L Nardi	1	4
	6	F Cobolli	2	1r

	First round							Second round							Quarterfinals							Semifinals
	9	J-L Struff	6	6
		Y Bu	3	4				9	J-L Struff	1	65
		P Martínez	6	65	3				G Monfils	6	77
		G Monfils	1	77	6											G Monfils	6	6
		C Norrie	2	3											LL	F Díaz Acosta	3	1
	LL	F Díaz Acosta	6	6				LL	F Díaz Acosta	6	77
								3	S Báez	4	61
																							G Monfils	77	6
	8	A Michelsen	68	6	6																	Q	N Basavareddy	65	4
	Q	S Nagal	710	4	2			8	A Michelsen	77	6
	WC	G Diallo	65	6	67				L Sonego	63	2
		L Sonego	77	2	79										8	A Michelsen	6	2	4
	Q	N Basavareddy	6	6											Q	N Basavareddy	2	6	6
	LL	F Comesaña	2	2				Q	N Basavareddy	6	5	6
								2	A Tabilo	4	7	4

	First round							Qualifying competition
	1	Adrian Mannarino	6	6
	PR	Dominic Stricker	4	4
								1	Adrian Mannarino	65	3
								8	Sumit Nagal	77	6
	WC	Alexander Klintcharov	6	3	1
	8	Sumit Nagal	1	6	6

	First round							Qualifying competition
	2	Zizou Bergs	2	78	6
		Pablo Carreño Busta	6	66	4
								2	Zizou Bergs	3	6	6
								5	Francisco Comesaña	6	4	3
	Alt	Maxime Janvier	1	77	3
	5	Francisco Comesaña	6	65	6

	First round							Qualifying competition
	3	Facundo Díaz Acosta	6	6
	WC	Ajeet Rai	4	2
								3	Facundo Díaz Acosta	5	77	2
								7	Luca Nardi	7	62	6
		Daniel Masur	77	4	2
	7	Luca Nardi	63	6	6

	First round							Qualifying competition
	4	Botic van de Zandschulp	77	5	3
		Nishesh Basavareddy	63	7	6
									Nishesh Basavareddy	6	6
								6	Daniel Altmaier	2	1
	Alt	Charles Broom	5	1
	6	Daniel Altmaier	7	6

• Main draw
• Qualifying draw