Kokoro Isomura and Yusuke Kusuhara will face off in the 1^st round of the Yokohama Challenger for the 3^rd time in their career. They are scheduled to compete on Tuesday at 10:00 am on COURT 1. In this post, we analyze their head to head performance and prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Kokoro Isomura who should win in 3 sets.

As per the initial odds, Kokoro Isomura is the pick to win this match.
Kokoro Isomura -> 1.83
Yusuke Kusuhara -> 1.85

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Prediction and head to head Kokoro Isomura vs. Yusuke Kusuhara

This will be the 3^rd time that Kokoro Isomura and Yusuke Kusuhara fight against each other. The head to head is 2-0 for Kusuhara (see full H2H stats), 2-0 on hard.

The last time that they squared off, Kusuhara won 6-3 6-2 in the 2^nd round in M15 Osaka back in April 2025.

Kokoro Isomura

Ranked no. 543, Isomura will start his run in the Yokohama Challenger after he played his last match in the Kobe Challenger where he lost 7-6(1) 6-4 to Shimabukuro in the 1^st round on the 12^th of November.

Kokoro has a composed 34-29 win-loss record in 2025, 32-27 on hard (See FULL STATS).

Isomura’s best result of the season was reaching the final in M15 Luan.

Talking about his overall career, Kokoro has an overall 128-108 record. He has a positive 95-85 record on hard.

Previously in the Yokohama Challenger

Previously, his best result was reaching the qualifications in 2024. See his history.

Yusuke Kusuhara

Ranked no. 744, Yusuke reached the 1^st round after defeating Gai Ando 6-0 6-1 and Koki Matsuda 6-7(2) 6-1 6-2.

In the qualifications against Matsuda, Kusuhara recovered from a 1-set down deficit before winning (6-7² 6-1 6-2). During the match Kusuhara scored 92 points vs Matsuda’s 73. Kusuhara was pretty aggressive to blast 40 winners.

Talking about serving, Kusuhara bagged 5 aces and he committed only 2 double faults. Overall, Yusuke Kusuhara was pretty efficient on serve to win 71% (40/56) of his 1st serve and 69% (22/32) on the second serve. However, this didn’t prevent his to concede the serve once. The Japanese broke Matsuda 5 times after converting 63% of his break points (5/8).

Overall Performance in this tournament

Yusuke started his run at this tournament from the qualifications. In the main draw, he has conceded 1 set in the tournament to win 61% of the points he played.

Yusuke’s best result of the current season was getting to the final in M15 Harmon and M15 Tanagura.

Yusuke has an aggregate 38-16 win-loss record in 2025, 38-15 on hard (See FULL STATS).

Previously in the Yokohama Challenger

The Japanese has never competed in this tournament before.

Tennis Scores in Yokohama Challenger

• Maxim ZhukovZhukov – Ryo TabataTabata (6-4 6-4) – Stats, scores, rankings
• Yasutaka UchiyamaUchiyama – Tsung-Hao HuangHuang (6-4 7-6¹¹) – Stats, scores, rankings
• Yuta ShimizuShimizu – Yusuke TakahashiTakahashi (6-2 6-2) – Stats, scores, rankings
• Akira SantillanSantillan – Masamichi ImamuraImamura (6-0 6-2) – Stats, scores, rankings

Upcoming matches in the draw

• Kei NishikoriNishikori – Taisei IchikawaIchikawa (0-0) – H2H and prediction
• Hyeon ChungChung – Kaichi UchidaUchida (0-0) – H2H and prediction
• Jumpei YamasakiYamasaki – Yuki MochizukiMochizuki (1-3) – H2H and prediction
• Oliver CrawfordCrawford – Igor Ribeiro MarcondesRibeiro Marcondes (0-0) – H2H and prediction
• Neil OberleitnerOberleitner – Yu Hsiou HsuHsiou Hsu (1-1) – H2H and prediction
• Kasidit SamrejSamrej – (0-0) – H2H and prediction
• Max BasingBasing – Hikaru ShiraishiShiraishi (0-0) – H2H and prediction
• Woobin ShinShin – Michael VrbenskyVrbensky (0-0) – H2H and prediction