2025 Țiriac Open – Singles

Flavio Cobolli defeated Sebastián Báez in the final, 6–4, 6–4 to win the singles title at the 2025 Țiriac Open.^[1] It was his first ATP Tour title.

Márton Fucsovics was the defending champion,^[2] but lost in the semifinals to Báez.^[3]

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

	Semifinals							Final
	1	Sebastián Báez	6	6
		Márton Fucsovics	2	2
								1	Sebastián Báez	4	4
								3	Flavio Cobolli	6	6
	3	Flavio Cobolli	6	6
		Damir Džumhur	3	0

	First round							Second round							Quarterfinals							Semifinals
								1	S Báez	77	2	6
		G Diallo	77	77					G Diallo	65	6	2
		C-h Tseng	65	62											1	S Báez	77	2	6
	Q	M Kližan	6	5	5											F Comesaña	65	6	1
		F Comesaña	4	7	7				F Comesaña	6	3	6
		Y Bu	6	2	5			5	R Bautista Agut	4	6	3
	5	R Bautista Agut	3	6	7																	1	S Báez	6	6
																							M Fucsovics	2	2
								4	N Jarry	2	7	65
		D Lajović	4	3					C O'Connell	6	5	77
		C O'Connell	6	6												C O'Connell	0	4
		L Nardi	3	1												M Fucsovics	6	6
		M Fucsovics	6	6					M Fucsovics	4	6	6
		L Djere	1	6	2			7	M Navone	6	4	4
	7	M Navone	6	4	6

	First round							Second round							Quarterfinals							Semifinals
	8	C Ugo Carabelli	6	6
	LL	R Albot	4	3				8	C Ugo Carabelli	3	1
		A Shevchenko	3	4				Q	F Misolic	6	6
	Q	F Misolic	6	6											Q	F Misolic	65	4
		B van de Zandschulp	6	5	1										3	F Cobolli	77	6
	WC	R Gasquet	4	7	6			WC	R Gasquet	4	6	1
								3	F Cobolli	6	4	6
																						3	F Cobolli	6	6
	Q	V Vacherot	2	1																			D Džumhur	3	0
		D Džumhur	6	6					D Džumhur	6	3	6
		N Basavareddy	3	4				WC	FC Jianu	4	6	3
	WC	FC Jianu	6	6												D Džumhur	6	2
	WC	S Wawrinka	6	65	77										2	P Martínez	1	0r
	Q	T Skatov	4	77	61			WC	S Wawrinka	6	5	2
								2	P Martínez	4	7	6

	First round							Qualifying competition
	1	Nikoloz Basilashvili	2	710	4
		Valentin Vacherot	6	68	6
									Valentin Vacherot	6	6
								WC	Luca Preda	2	3
	WC	Luca Preda	6	6
	6	Murkel Dellien	2	0

	First round							Qualifying competition
	2	Martín Landaluce	2	6	4
		Martin Kližan	6	3	6
									Martin Kližan	65	6	6
								8	Sascha Gueymard Wayenburg	77	4	3
		Elias Ymer	4	66
	8	Sascha Gueymard Wayenburg	6	78

	First round							Qualifying competition
	3	Ugo Blanchet	6	7
	Alt	Cezar Crețu	4	5
								3	Ugo Blanchet	2	2
								7/Alt	Filip Misolic	6	6
		Matteo Martineau	2	6	2
	7/Alt	Filip Misolic	6	2	6

	First round							Qualifying competition
	4	Timofey Skatov	6	6
	Alt	Oleg Prihodko	4	3
								4	Timofey Skatov	6	77
								5	Radu Albot	1	63
	WC	Ștefan Adrian Andreescu	6	3	2
	5	Radu Albot	4	6	6

• Main draw
• Qualifying draw