M15 Karuizawa
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The M15 Karuizawa is a Future tournament played on clay in Japan, starting May 25, 2026. Evan Zhu won the 2026 title, beating Jake Delaney 2-6, 6-4, 6-2 in the final. Sora Fukuda won the previous edition. 31 singles matches recorded, with the full draw, match analysis, situational signals and recaps below.
ClaySurface
FutureTier
31Matches recorded
May 25, 2026Start date
Quick facts
Top seeds
Unseeded watch
The draw through our lens: who came in through qualifying, who took a wild card, who's been grinding Challengers, and where an unseeded name meets a seed first up.
Bracket
Hover a player to trace their run through the draw. Click any name for their profile.
Draw & results
31 singles matches recorded for this event.
R1
Evan Zhu (USA)Colin Sinclair (AUS)
7-5, 6-7(5), 6-4
RecapLeo Vithoontien (JPN)Jesse Delaney (AUS)
6-4, 6-3
RecapTomohiro Masabayashi (JPN)Lennon Roark Jones (JPN)
7-5, 6-2
RecapShu Matsuoka (JPN)Shion Motoyama (JPN)
6-3, 6-3
RecapYusuke Kusuhara (JPN)Yu Tanaka (JPN)
6-4, 6-0
RecapJumpei Yamasaki (JPN)Ryo Minakata (JPN)
6-1, 6-3
RecapJake Delaney (AUS)Rin Kojima (JPN)
6-0, 6-4
RecapKentaro Otsuka (JPN)Aryan Jit Singh (GBR)
6-4, 2-6, 6-1
RecapKoki Matsuda (JPN)Ko Suzuki (JPN)
7-5, 6-3
RecapHiromasa Koyama (JPN)Ryota Tanuma (JPN)
6-1, 4-6, 7-6(3)
RecapHikaru Shiraishi (JPN)Kousuke Ogura (JPN)
6-3, 3-6, 6-3
RecapNoritaka Koizumi (JPN)Yuta Kawahashi (JPN)
3-6, 6-0, 6-2
RecapKazuki Nishiwaki (JPN)Taketo Takamisawa (JPN)
6-4, 3-6, 6-1
RecapSora Fukuda (JPN)Saki Tange (JPN)
6-2, 7-6(3)
RecapYua Taka (JPN)Toshiki Karigyo (JPN)
6-4, 6-4
RecapYuta Tomida (JPN)Takumi Katsuda (JPN)
7-6(1), 6-4
RecapR2
Leo Vithoontien (JPN)Jumpei Yamasaki (JPN)
6-4, 6-4
RecapHikaru Shiraishi (JPN)Tomohiro Masabayashi (JPN)
6-4, 6-3
RecapJake Delaney (AUS)Kazuki Nishiwaki (JPN)
6-3, 6-3
RecapKoki Matsuda (JPN)Kentaro Otsuka (JPN)
6-3, 6-3
RecapShu Matsuoka (JPN)Yusuke Kusuhara (JPN)
6-2, 6-4
RecapSora Fukuda (JPN)Yuta Tomida (JPN)
6-7(2), 7-5, 6-1
RecapHiromasa Koyama (JPN)Noritaka Koizumi (JPN)
6-4, 6-4
RecapQF
Hiromasa Koyama (JPN)Hikaru Shiraishi (JPN)
7-6(0), 2-6, 6-3
RecapEvan Zhu (USA)Shu Matsuoka (JPN)
6-3, 6-3
RecapJake Delaney (AUS)Leo Vithoontien (JPN)
6-3, 6-3
RecapSora Fukuda (JPN)Koki Matsuda (JPN)
6-1, 6-2
RecapSF
Evan Zhu (USA)Sora Fukuda (JPN)
7-5, 6-7(3), 6-3
RecapJake Delaney (AUS)Hiromasa Koyama (JPN)
6-3, 6-1
RecapFinal
Evan Zhu (USA)Jake Delaney (AUS)
2-6, 6-4, 6-2
Recap