2025 Kobe Challenger – Singles

Singles
2025 Kobe Challenger
Final
Champion	Yosuke Watanuki
Runner-up	Elias Ymer
Score	3–6, 6–1, 6–4
Events
Singles Doubles
←  2024  · Kobe Challenger ·  2026  →

Main article: 2025 Kobe Challenger

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

Yosuke Watanuki won the title after defeating Elias Ymer 3–6, 6–1, 6–4 in the final. ^{[2] [3] [4]}

Seeds

1. Tseng Chun-hsin (semifinals)
2. Yoshihito Nishioka (second round, withdrew)
3. Sho Shimabukuro (quarterfinals, retired)
4. Yosuke Watanuki (champion)
5. Hugo Grenier (quarterfinals)
6. Rei Sakamoto (quarterfinals)
7. Elias Ymer (final)
8. Oliver Crawford (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	Tseng Chun-hsin	6	2	1
	4	Yosuke Watanuki	2	6	6
								4	Yosuke Watanuki	3	6	6
								7	Elias Ymer	6	1	4
		Kaichi Uchida	4	6	3
	7	Elias Ymer	6	4	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	C-h Tseng	6	6
		D Kuzmanov	4	1				1	C-h Tseng	1	6	7
		H Chung	6	6					H Chung	6	2	5
	WC	Ryuki Matsuda	1	4											1	C-h Tseng	4	6	713
		H Bartoň	68	6	78										6	R Sakamoto	6	1	611
	Q	J-s Nam	710	4	66				H Bartoň	6	3	4
	Q	Max Basing	66	77	3			6	R Sakamoto	3	6	6
	6	R Sakamoto	78	64	6																	1	C-h Tseng	6	2	1
	4	Y Watanuki	6	6																		4	Y Watanuki	2	6	6
	JR	K Bigun	4	2				4	Y Watanuki	6	6
	Q	Maxim Zhukov	61	2					F Ferreira Silva	4	4
		F Ferreira Silva	77	6											4	Y Watanuki	713	6
		Y Shimizu	65	4											5	H Grenier	611	3
		Y-h Hsu	77	6					Y-h Hsu	2	2
	Q	I Marcondes	2	66				5	H Grenier	6	6
	5	H Grenier	6	78

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	O Crawford	61	6	79
		Y Uchiyama	77	4	67			8	O Crawford	712	3	4
		K Uchida	4	6	6				K Uchida	610	6	6
	Q	Y Takahashi	6	3	4											K Uchida	77	5	2
	Q	Mitsuki Wei Kang Leong	66	6	1										3	S Shimabukuro	63	7	0r
		M Jones	78	3	6				M Jones	6	3	4
	WC	K Isomura	61	4				3	S Shimabukuro	3	6	6
	3	S Shimabukuro	77	6																			K Uchida	4	6	3
	7	E Ymer	6	64	1																	7	E Ymer	6	4	6
		R Peniston	2	77	1r			7	E Ymer	6	0
	WC	Ryotaro Taguchi	3	4					R Tokuda	1	1r
		Renta Tokuda	6	6											7	E Ymer	7	5	6
		G Johns	3	5												M-A Hüsler	5	7	4
		M-A Hüsler	6	7					M-A Hüsler	w/o
	PR	J Jung	6	3	4			2	Y Nishioka
	2	Y Nishioka	1	6	6

References

1. Heer, Florian (January 26, 2025). "Blockx Crowned Indoor Oeiras Open 3 Champion".
2. "Watanuki Claims Third Kobe Challenger Crown". tennistourtalk.com. 16 November 2025. Retrieved 16 November 2025.
3. "Cristian Garin captures fourth Challenger title of 2025, Struff secures Australian Open berth". 18 November 2025.
4. "Garin slides into six-way tie for most Challenger titles this season; Struff, Kozlov, Watanuki among this week's Challenger champions". ATPTour. 17 November 2025. Retrieved 19 November 2025.

External links

• Main draw
• Qualifying draw