Yuki Mochizuki and Jumpei Yamasaki will clash against each other in the 1^st round of the Yokohama Challenger for the 5^th time in their career. They are scheduled to compete on Tuesday at 3:30 pm 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 Yuki Mochizuki who should win in 3 sets.

As per the initial odds, Yuki Mochizuki is the pick to win this match.
Yuki Mochizuki -> 1.51
Jumpei Yamasaki -> 2.35

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Prediction and head to head Yuki Mochizuki vs. Jumpei Yamasaki

This will be the 5^th time that Yuki Mochizuki and Jumpei Yamasaki fight against each other. The head to head is 3-1 for Mochizuki (see full H2H stats), 3-1 on hard.

The last time that they squared off, Yamasaki won 6-2 2-6 6-2 in the final in M15 Kashiwa back in 2019.

Yuki Mochizuki

Ranked no. 534, the Japanese will start his run in the Yokohama Challenger after he played his last match in the Kobe Challenger where he lost 6-2 7-6(7) to Tabata in the qualifications on the 9^th of November.

Mochizuki has an overall 31-22 win-loss record in 2025, 25-15 on hard (See FULL STATS).

Yuki’s best result of the season was reaching the final in M15 Osaka and M25 Taipei.

Talking about his overall career, Mochizuki has an overall 194-131 record. He has a positive 142-99 record on hard.

Previously in the Yokohama Challenger

Previously, his best result was reaching the 1^st round in 2022. See his history.

Jumpei Yamasaki

Ranked no. 896, the Japanese got to the 1^st round after defeating Uisung Park 6-4 ret. and Naoki Nakagawa 6-3 6-1.

In the qualifications, Yamasaki had a good straight sets win against Nakagawa (6-3 6-1). During the match Yamasaki scored 58 points vs Nakagawa’s 39. Yamasaki was very aggressive to blast 34 winners.

About the serving games, Yamasaki made 6 aces and he committed only 1 double fault for the entire match. Jumpei Yamasaki conceded no breaks for the entire match to save 3 break points. Furthermore, Yamasaki put 74% of his first serves in, winning 81% (34/42) of the points behind his 1st serve and 33% (5/15) on the 2nd serve. Yamasaki broke Nakagawa 4 times after converting 80% of his break points (4/5).

Yamasaki’s best result of the current season was reaching the semifinal in M15 Osaka.

Yamasaki has a compiled 29-16 win-loss record in 2025, 18-11 on hard (See FULL STATS).

Tennis Scores in Yokohama Challenger

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