Yosuke Watanuki - Jan Kumstat
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Taipei 2026 (hard)
| Head to heads | ||
|---|---|---|
| Yosuke Watanuki | 1:0 | Jan Kumstat |
Japan |
Country | Czech Republic |
| 374 | Ranking | 189 |
| 98 (pts 241, tourn. 10) | Ranking by surface | (pts , tourn. ) |
| Date | Tournament | Match | Surface | Score |
| 08.11.2026 | Taipei | Yosuke Watanuki - Jan Kumstat | hard | 2:0 (7:6, 7:5) |
| Yosuke Watanuki - last games | |||||
|---|---|---|---|---|---|
| Surface: | |||||
| Date | Tournament | Opponent | Surface | Round | Score |
| 08.11.2026 | Taipei | Jan Kumstat | hard | Final | W 2:0 (7:6, 7:5) |
| 07.11.2026 | Taipei | Chak Lam Coleman Wong | hard | Semi-finals | W 2:0 (7:6, 7:6) |
| 06.11.2026 | Taipei | Alexandre Muller | hard | Quarter-finals | W 2:1 (6:4, 6:7, 6:1) |
| 05.11.2026 | Taipei | Masamichi Imamura | hard | Second round | W 2:0 (6:1, 6:1) |
| 03.11.2026 | Taipei | Lloyd Harris | hard | First round | W 2:0 (6:2, 6:4) |
| 01.11.2026 | Taipei | Dominik Palan | hard | Qualifications - 1st round | W 2:0 (7:6, 6:0) |
| 16.10.2026 | Jinan | Shintaro Mochizuki | hard | Quarter-finals | L 1:2 (6:4, 2:6, 6:7) |
| 15.10.2026 | Jinan | Marin Cilic | hard | Second round | W 2:0 (7:5, 6:4) |
| 14.10.2026 | Jinan | Andre Ilagan | hard | First round | W 2:0 (6:2, 6:2) |
| 13.10.2026 | Jinan | Kaito Uesugi | hard | Qialification final | W 2:0 (6:2, 6:2) |
| 07.09.2026 | Shanghai | Marat Sharipov | hard | First round | L 1:2 (7:6, 5:7, 2:6) |
| 02.09.2026 | Zhangjiagang Challenger | Chun Hsin Tseng | hard | Second round | L 0:2 (5:7, 3:6) |
| 29.07.2026 | Vancouver | Hayato Matsuoka | hard | First round | L 0:2 (4:6, 2:6) |
| 22.07.2026 | Winnipeg | Toby Samuel | hard | Second round | L 0:2 (0:6, 1:6) |
| 21.07.2026 | Winnipeg | Andre Ilagan | hard | First round | W 2:0 (7:6, 7:5) |
| 14.07.2026 | Granby | August Holmgren | hard | First round | L 1:2 (7:6, 4:6, 5:7) |
| 04.07.2026 | Cary | Braden Shick | hard | Semi-finals | L 0:0 (-:-) Retired |
| 03.07.2026 | Cary | Jack Kennedy | hard | Quarter-finals | W 2:0 (6:1, 6:4) |
| 01.07.2026 | Cary | Tung-Lin Wu | hard | Second round | W 2:1 (6:3, 6:7, 6:1) |
| 29.06.2026 | Cary | Andre Ilagan | hard | First round | W 2:1 (3:6, 6:0, 6:3) |
| Jan Kumstat - last games | |||||
|---|---|---|---|---|---|
| Surface: | |||||
| Date | Tournament | Opponent | Surface | Round | Score |
| 08.11.2026 | Taipei | Yosuke Watanuki | hard | Final | L 0:2 (6:7, 5:7) |
| 07.11.2026 | Taipei | Yuta Shimizu | hard | Semi-finals | W 2:0 (7:5, 6:4) |
| 06.11.2026 | Taipei | Harold Mayot | hard | Quarter-finals | W 2:1 (3:6, 7:6, 6:4) |
| 04.11.2026 | Taipei | Billy Harris | hard | Second round | W 2:0 (7:6, 6:4) |
| 02.11.2026 | Taipei | Joel Schwaerzler | hard | First round | W 2:1 (7:5, 3:6, 7:6) |
| 27.10.2026 | Seoul | Sho Shimabukuro | hard | First round | L 0:2 (4:6, 0:6) |
| 18.10.2026 | Lyon | Michael Mmoh | hard | Qualifications - 1st round | L 1:2 (1:6, 7:6, 3:6) |
| 15.10.2026 | Olbia | Jacob Fearnley | hard | Second round | L 0:2 (4:6, 3:6) |
| 13.10.2026 | Olbia | Edas Butvilas | hard | First round | W 2:0 (7:6, 7:6) |
| 31.08.2026 | Como | Juan Pablo Varillas | clay | First round | L 0:2 (4:6, 3:6) |
| 22.08.2026 | Prague | Chun Hsin Tseng | clay | Final | W 2:1 (5:7, 6:3, 6:0) |
| 21.08.2026 | Prague | Filip Cristian Jianu | clay | Semi-finals | W 2:0 (6:1, 6:4) |
| 20.08.2026 | Prague | Maxim Mrva | clay | Quarter-finals | W 2:0 (6:1, 7:5) |
| 19.08.2026 | Prague | Sumit Nagal | clay | Second round | W 2:0 (7:5, 6:3) |
| 18.08.2026 | Prague | Petr Brunclik | clay | First round | W 2:0 (7:5, 6:1) |
| 16.08.2026 | Hamburg | Marvin Moeller | clay | Final | W 2:1 (4:6, 7:6, 7:5) |
| 15.08.2026 | Hamburg | Matheus Pucinelli De Almeida | clay | Semi-finals | W 2:1 (6:4, 5:7, 6:2) |
| 14.08.2026 | Hamburg | Carlos Taberner | clay | Quarter-finals | W 0:0 (5:7) Retired |
| 13.08.2026 | Hamburg | Max Houkes | clay | Second round | W 2:0 (6:4, 7:6) |
| 11.08.2026 | Hamburg | Jamie Mackenzie | clay | First round | W 2:1 (6:7, 6:3, 6:3) |

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