Casper Ruud and Shintaro Mochizuki will clash against each other in the 1^st round of the Japan Open Tennis Championships for the 1^st time in their career. They are scheduled to play on Thursday at 4:00 pm on COLOSSEUM. Here the head to head stats and relative prediction.

Prediction, odds and live streaming

The pick for Tennis Tonic is Casper Ruud who should win in 2 sets.

As per the initial odds, Casper Ruud is the pick to win this match.
Casper Ruud -> 1.3
Shintaro Mochizuki -> 3.52

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Prediction and head to head Casper Ruud vs. Shintaro Mochizuki

There is no head to head record between Casper Ruud and Shintaro Mochizuki since this will be the first time that they will fight against each other in the main tour.

Casper Ruud

Ranked no. 12,he will start his run in Tokyo after he played his last match in the Laver Cup where he defeated 6-4 7-6(4) to Opelka in the round robin on the 19^th of September.

The Norwegian has a compiled 30-12 win-loss record in 2025, 9-6 on hard (See FULL STATS).

His best result of the season was winning the title in Madrid where he beat Jack Draper in the final 7-5 3-6 6-4.

Talking about his overall career, The Norwegian has an overall 434-230 record. He has a positive 115-76 record on hard.

Previously in Tokyo

Previously, his best result was reaching the 2^nd round in 2023. See his history.

Shintaro Mochizuki

Ranked no. 106, Mochizuki will start his run in Tokyo after he played his last match in 4 where he lost 6-3 6-3

to Hanfmann in the Rubber 2 on the 12^th of September.

Mochizuki has an aggregate 37-23 win-loss record in 2025, 24-13 on hard (See FULL STATS).

His best result of the current season was conquering the title the Noumea Challenger where he overcame Moerani Bouzige in the final 6-1 6-3.

In terms of his career, Mochizuki has an overall 212-176 record. He has a positive 120-98 record on hard.

Previously in Tokyo

Previously, his best result was reaching the semifinal in 2023. See his history

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Tennis Scores in Tokyo

• Matteo BerrettiniBerrettini – Jaume Antoni Munar ClarAntoni Munar Clar (6-4 6-2) – Stats, scores, rankings
• Hugo Nys/Edouard Roger-VasselinNys/Edouard Roger-Vasselin – Robert Cash/James TracyCash/James Tracy (7-6⁷ 4-6 10-7) – Stats, scores, rankings
• Daniel AltmaierAltmaier – Denis ShapovalovShapovalov (7-5 6-3) – Stats, scores, rankings
• Nuno BorgesBorges – Yosuke WatanukiWatanuki (2-6 6-4 6-1) – Stats, scores, rankings

Upcoming matches in the draw

• Damir DzumhurDzumhur – Aleksandar VukicVukic (0-1) – H2H and prediction
• Marton FucsovicsFucsovics – Frances TiafoeTiafoe (2-2) – H2H and prediction
• Marcos GironGiron – Sebastian KordaKorda (1-2) – H2H and prediction
• Jordan ThompsonThompson – Brandon NakashimaNakashima (2-4) – H2H and prediction
• Yoshihito NishiokaNishioka – (0-0) – H2H and prediction
• Casper RuudRuud – (0-0) – H2H and prediction
• Zizou BergsBergs – Alejandro TabiloTabilo (1-0) – H2H and prediction
• Ugo HumbertHumbert – Jenson BrooksbyBrooksby (1-1) – H2H and prediction
• Tomas MachacMachac – Sho ShimabukuroShimabukuro (0-0) – H2H and prediction
• Carlos Alcaraz GarfiaAlcaraz Garfia – Sebastian BaezBaez (2-0) – H2H and prediction
• Gabriel DialloDiallo – Taylor Harry FritzHarry Fritz (0-2) – H2H and prediction