2025 China International Suzhou – Singles

Singles
2025 China International Suzhou
Champion	Yoshihito Nishioka
Runner-up	Harold Mayot
Score	6–4, 6–4

Miomir Kecmanović was the defending champion from when the tournament was last held in 2017,^[1] but he chose not to defend his title.

Yoshihito Nishioka won the title after defeating Harold Mayot 6–4, 6–4 in the final.^[2]

Key

	Semifinals							Final
	1	Yoshihito Nishioka	7	6
	Alt	Duje Ajduković	5	4
								1	Yoshihito Nishioka	6	6
								5	Harold Mayot	4	4
	5	Harold Mayot	6	6
		Hsu Yu-hsiou	4	2

	First round							Second round							Quarterfinals							Semifinals
	1	Y Nishioka	7	77
		Y Zhou	5	61				1	Y Nishioka	6	6
	LL	S Fomin	4	1					R Tokuda	2	2
		Renta Tokuda	6	6											1	Y Nishioka	710	6
		F Ferreira Silva	65	6	6											F Ferreira Silva	68	3
	Q	Maxim Zhukov	77	3	3				F Ferreira Silva	7	6
		I Simakin	7	3					I Simakin	5	2
	8	S Shimabukuro	5	2r																		1	Y Nishioka	7	6
	3	H Rocha	77	66	4																	Alt	D Ajduković	5	4
	Alt	D Ajduković	61	78	6			Alt	D Ajduković	6	7
		J Cui	79	4	4r			Q	Y Takahashi	3	5
	Q	Y Takahashi	67	6	5										Alt	D Ajduković	3	6	6
	Q	T-h Huang	78	77												L Harris	6	4	4
		G Johns	66	62				Q	T-h Huang	6	2	3
		L Harris	6	4					L Harris	4	6	6
	6	J Kubler	3	0r

	First round							Second round							Quarterfinals							Semifinals
	5	H Mayot	6	66	7
		Y Uchiyama	4	78	5			5	H Mayot	6	3
	WC	Y Mo	3	1				JR	N Honda	0	0r
	JR	Naoya Honda	6	6											5	H Mayot	6	6
	Q	Takuya Kumasaka	7	6											9	Y Shimizu	4	2
		O Jasika	5	4				Q	T Kumasaka	0	7	64
		F Sun	7	4	4			9	Y Shimizu	6	5	77
	9	Y Shimizu	5	6	6																	5	H Mayot	6	6
	7	J McCabe	64	6	6																		Y-h Hsu	4	2
	PR	J Jung	77	4	2			7	J McCabe	2	6	6
	Q	K Sultanov	5	3				Q	T-l Wu	6	3	2
	Q	T-l Wu	7	6											7	J McCabe	4	0
	WC	A Wang	4	710	6											Y-h Hsu	6	6
	WC	R Te	6	68	2			WC	A Wang	1	4
		Y-h Hsu	64	6	77				Y-h Hsu	6	6
	2	C Wong	77	2	62

• Main draw
• Qualifying draw