2025 International Challenger Zhangjiagang – Singles

Singles
2025 International Challenger Zhangjiagang
Final
Champion	Sho Shimabukuro
Runner-up	Oliver Crawford
Score	6–3, 3–6, 7–5
Events
Singles Doubles
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Main article: 2025 International Challenger Zhangjiagang

Yasutaka Uchiyama was the defending champion ^[1] but lost in the semifinals to Sho Shimabukuro.

Shimabukuro won the title after defeating Oliver Crawford 6–3, 3–6, 7–5 in the final. ^[2]

Seeds

1. Bernard Tomic (first round)
2. Rio Noguchi (second round)
3. Sho Shimabukuro (champion)
4. Sun Fajing (second round)
5. Yasutaka Uchiyama (semifinals)
6. Oliver Crawford (final)
7. Ilia Simakin (quarterfinals)
8. Arthur Géa (first 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
	6	Oliver Crawford	77	6
		Kokoro Isomura	61	0
								6	Oliver Crawford	3	6	5
								3	Sho Shimabukuro	6	3	7
	3	Sho Shimabukuro	6	77
	5	Yasutaka Uchiyama	3	65

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	B Tomic	1	6	66
	PR	P Sekulic	6	1	78			PR	P Sekulic	4	4
		Alexandr Binda	7	3	3			Alt	R Tokuda	6	6
	Alt	Renta Tokuda	5	6	6										Alt	R Tokuda	61	6	2
		D Yevseyev	2	6	4										6	O Crawford	77	3	6
		H Moriya	6	4	6				H Moriya	3	6	4
		M Imamura	3	2				6	O Crawford	6	4	6
	6	O Crawford	6	6																		6	O Crawford	77	6
	4	F Sun	3	6	6																		K Isomura	61	0
	WC	Y Mo	6	3	4			4	F Sun	3	1
		Shin San-hui	7	77					S-h Shin	6	6
		Shin Woo-bin	5	64												S-h Shin	6	2	4
	Alt	S Fomin	3	2												K Isomura	2	6	6
		K Isomura	6	6					K Isomura	3	6	711
		J Cui	5	77	6				J Cui	6	2	69
	8	A Géa	7	64	0

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	I Simakin	6	77
		T-l Wu	4	61				7	I Simakin	6	6
	Q	J Charlton	6	67	6			Q	J Charlton	4	4
	WC	R Te	4	79	4										7	I Simakin	4	3
	Q	F Peliwo	6	6											3	S Shimabukuro	6	6
		Petr Bar Biryukov	1	2				Q	F Peliwo	3	4
	LL	J Watt	4	6	2			3	S Shimabukuro	6	6
	3	S Shimabukuro	6	3	6																	3	S Shimabukuro	6	77
	5	Y Uchiyama	6	5	6																	5	Y Uchiyama	3	65
	Q	Yuta Kikuchi	2	7	1			5	Y Uchiyama	6	6
	Q	K Uesugi	1	77	2r			Q	T-h Huang	2	4
	Q	T-h Huang	6	64	3										5	Y Uchiyama	6	6
	Alt	L Castelnuovo	64	3											Q	K Uchida	3	4
	Q	K Uchida	77	6				Q	K Uchida	6	77
	WC	Xiao Linang	66	1				2	R Noguchi	1	64
	2	R Noguchi	78	6

References

1. Heer, Florian (September 1, 2024). "Uchiyama Wins International Challenger Zhangjiagang".
2. "Oliver Crawford reaches ATP Challenger final, Liam Broady lifts singles title in Budapest & three wheelchair tennis trophies". Lawn Tennis Association. Retrieved 1 September 2025.

External links

• Main draw
• Qualifying draw