Denis Shapovalov and Daniel Altmaier will face off in the 1st round of the Japan Open Tennis Championships for the 2nd time in their career. They are scheduled to compete on Wednesday 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 Denis Shapovalov who should win in 2 sets.
Denis Shapovalov -> 1.28
Daniel Altmaier -> 3.68
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Prediction and head to head Denis Shapovalov vs. Daniel Altmaier
This will be the 2nd time that Denis Shapovalov and Daniel Altmaier face off. The head to head is 1-0 for Shapovalov (see full H2H stats), but they have never competed against each other on hard.
The last time that they squared off, Shapovalov won 7-6(3) 6-3 1-6 6-7(3) 6-4 in the 2nd round in at the Wimbledon back in 2024.
Denis Shapovalov
21 - 17win/loss
23
10
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 26-22 | 14-11 | 2-5 | 9-3 | 1-3 | 0-0 |
| 2024 | 33-25 | 9-10 | 5-6 | 16-6 | 3-3 | 0-0 |
| 2023 | 13-13 | 6-6 | 3-3 | 0-1 | 4-3 | 0-0 |
| 2022 | 34-26 | 22-12 | 4-4 | 7-6 | 1-4 | 0-0 |
| 2021 | 30-23 | 11-11 | 7-6 | 4-3 | 8-3 | 0-0 |
Ranked no. 26, the Canadian will start his run in Tokyo after he played his last match at the Us Open where he lost 5-7 6-4 6-3 6-3 to Sinner in the 3rd round on the 30th of August.
The Canadian has a compiled 21-17 win-loss record in 2025, 13-9 on hard (See FULL STATS).
His best result of the current year was winning the title in Dallas where he beat Casper Ruud in the final 7-6(5) 6-3 and in Los Cabos where he overcame Aleksandar Kovacevic in the final 6-4 6-2.
Talking about his overall career, Shapovalov has an overall 330-224 record. He has a positive 146-98 record on hard.
Previously in Tokyo
Previously, his best result was reaching the semifinal in 2018 and 2022. See his history.
Daniel Altmaier
28 - 29win/loss
46
46
| Year | Total | Hard | Clay | I.hard | Grass | Carpet |
|---|---|---|---|---|---|---|
| 2025 | 34-35 | 11-16 | 13-8 | 9-8 | 1-3 | 0-0 |
| 2024 | 30-34 | 5-9 | 19-20 | 5-4 | 1-1 | 0-0 |
| 2023 | 32-31 | 8-13 | 21-10 | 2-5 | 1-3 | 0-0 |
| 2022 | 34-31 | 10-14 | 22-12 | 0-1 | 2-4 | 0-0 |
| 2021 | 49-27 | 7-3 | 36-20 | 5-2 | 1-2 | 0-0 |
Ranked no. 49, Daniel will start his run in Tokyo after he played his last match at the Us Open where he lost 6-7(7) 6-3 6-4 2-0 ret. to De Minaur in the 3rd round on the 30th
of August.The German has an aggregate 28-29 win-loss record in 2025, 9-14 on hard (See FULL STATS).
Altmaier’s best result of the current season was getting to the semifinal in the Turin Challenger.
In terms of his career, Altmaier has an overall 418-284 record. He has a positive 135-90 record on hard.
Tennis Scores in Tokyo
- Aleksandar VukicVukic – Rei SakamotoSakamoto (6-4 7-65) – See score progression
- Ethan QuinnQuinn – Mattia BellucciBellucci (4-6 6-4 7-5) – See score progression
- Marton FucsovicsFucsovics – Matteo ArnaldiArnaldi (7-5 6-2) – See score progression
- Sho ShimabukuroShimabukuro – Juan Manuel CerundoloManuel Cerundolo (6-4 6-3) – See score progression
- Marton FucsovicsFucsovics – Matteo ArnaldiArnaldi (7-5 6-2) – See score progression
- Sho ShimabukuroShimabukuro – Juan Manuel CerundoloManuel Cerundolo (6-4 6-3) – See score progression
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
- Daniel AltmaierAltmaier – Denis ShapovalovShapovalov (0-1) – H2H and prediction
- Jaume Antoni Munar ClarAntoni Munar Clar – Matteo BerrettiniBerrettini (0-1) – H2H and prediction
- Yosuke WatanukiWatanuki – Nuno BorgesBorges (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