2025 Santaizi ATP Challenger – Singles

Singles
2025 Santaizi ATP Challenger
Final
Champion	Yoshihito Nishioka
Runner-up	James Duckworth
Score	7–5, 7–6(7–5)
Events
Singles Doubles
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Main article: 2025 Santaizi ATP Challenger

Adam Walton was the defending champion ^[1] but chose not to defend his title.

Yoshihito Nishioka won the title after defeating James Duckworth 7–5, 7–6^(7–5) in the final. ^{[2] [3]}

Seeds

1. James Duckworth (final)
2. Yoshihito Nishioka (champion)
3. Jurij Rodionov (second round)
4. Coleman Wong (semifinals)
5. James McCabe (semifinals)
6. Elias Ymer (second round)
7. Hsu Yu-hsiou (second round)
8. Yuta Shimizu (second 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

	Semifinals							Final
	1	James Duckworth	6	6
	4	Coleman Wong	3	4
								1	James Duckworth	5	65
								2	Yoshihito Nishioka	7	77
	5	James McCabe	2	7	1
	2	Yoshihito Nishioka	6	5	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	J Duckworth	2	77	6
		T Daniel	6	62	2			1	J Duckworth	6	6
		Sidharth Rawat	4	77	4			Q	M Vrbenský	3	2
	Q	M Vrbenský	6	63	6										1	J Duckworth	6	77
		M Sasikumar	65	2												K Uchida	3	62
		K Uchida	77	6					K Uchida	6	6
		M Gengel	0	68				8	Y Shimizu	1	2
	8	Y Shimizu	6	710																		1	J Duckworth	6	6
	4	C Wong	6	4	7																	4	C Wong	3	4
		L Castelnuovo	4	6	5			4	C Wong	6	6
		T-h Huang	6	6					T-h Huang	4	4
		E Zhu	2	1											4	C Wong	6	6
		M Janvier	4	6	79											M Janvier	4	4
		T-l Wu	6	3	67				M Janvier	7	64	6
	Q	U-s Park	4	6	62			6	E Ymer	5	77	3
	6	E Ymer	6	1	77

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	J McCabe	65	6	7
	WC	Meng Cing-yang	77	4	5			5	J McCabe	6	6
	Q	T Ichikawa	3	4					N Oberleitner	4	4
		N Oberleitner	6	6											5	J McCabe	6	1	6
	Q	W Trongcharoenchaikul	3	1												M Imamura	4	6	3
		M Imamura	6	6					M Imamura	6	6
	Q	J-s Nam	6	63	2			3	J Rodionov	4	0
	3	J Rodionov	2	77	6																	5	J McCabe	2	7	1
	7	Y-h Hsu	6	3	6																	2	Y Nishioka	6	5	6
	WC	K-y Lee	3	6	0			7	Y-h Hsu	6	3	5
		K Samrej	3	613					A Santillan	3	6	7
		A Santillan	6	715												A Santillan	2	7	4
	WC	J Jung	65	6	78										2	Y Nishioka	6	5	6
		A Weber	77	3	66			WC	J Jung	5	2
	Q	S Hazawa	4	3				2	Y Nishioka	7	6
	2	Y Nishioka	6	6

References

1. Rogers, Leigh. "Aussie weekly wrap: Adam Walton soars into top 100 with title-winning run". www.tennis.com.au.
2. "西岡良仁がチャレンジャー大会で今季2勝目、上杉海斗／渡邉聖太はダブルス準優勝 [台北チャレンジャー]". Tennis Magazine (in Japanese). Retrieved 9 November 2025.
3. "Nishioka Triumphs At Taiwan Sanzaizi Challenger". tennistourtalk.com. Retrieved 13 November 2025.

External links

• Main draw
• Qualifying draw