2026 Yokkaichi Challenger – Doubles

Thomas Fancutt and Jakub Paul were the defending champions^[1] but chose not to defend their title.

Champions

Runners-up

Ethan Cook

Tai Sach

Score7–6^(8–6), 6–3

Quick facts Doubles, Final ...

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Sun Fajing and Wu Tung-lin won the title after defeating Ethan Cook and Tai Sach 7–6^(8–6), 6–3 in the final.

First round					Quarterfinals				Semifinals					Final

1	Y-h Hsu T-h Huang	2	2
	Y Shimizu J Trotter	6	6			Y Shimizu J Trotter	6	6
WC	Seiya Mizuno Shion Motoyama	7	2	[10]	WC	S Mizuno S Motoyama	1	2
	R Noguchi Shin San-hui	5	6	[5]						Y Shimizu J Trotter	4	6	[7]
3	J Nedunchezhiyan R Ramanathan	7⁸	3	[5]						E Cook T Sach	6	1	[10]
	M Jones K Uchida	6⁶	6	[10]		M Jones K Uchida	3	6⁵
WC	T Matsui Y Uchiyama	3	4			E Cook T Sach	6	7⁷
	Ethan Cook Tai Sach	6	6												E Cook T Sach	6⁶	3
	L Broady H Wendelken	4	7	[5]											F Sun T-l Wu	7⁸	6
	F Sun T-l Wu	6	5	[10]		F Sun T-l Wu	6	6
	M Imamura Ryuki Matsuda	4	7⁷	[10]		M Imamura R Matsuda	4	0
4	J Jung K Uesugi	6	6⁴	[8]						F Sun T-l Wu	6¹	6	[16]
	J Boulais P Niklas-Salminen	6	7⁷							J Boulais P Niklas-Salminen	7⁷	4	[14]
	D Added N Tajima	2	6⁴			J Boulais P Niklas-Salminen	7⁷	6
	Y Kusuhara S Nakagawa	4	7	[10]		Y Kusuhara S Nakagawa	6³	4
2	J-s Nam U-s Park	6	5	[6]

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