Daisuke Sumizawa
- Country
- Japan
- Date of birth
- 1999-01-31
- Plays
- right-handed
- Ranking ATP
- 1550 · 4 points
- Ranking ATP (doubles)
- 941 · 42 points
- Season 2026
- 0–3
Recent matches
| Date | Tournament | Round | Opponent | Score | Result |
|---|---|---|---|---|---|
| 2026-09-14 | Guangzhou Huangpu International Tennis Open | Q1 | Kosuke Ogura | 6-7 6-7 | lost |
| 2026-05-18 | S M Krishna Memorial Open | Q1 | Christopher Papa | 1-6 2-6 | lost |
| 2026-01-05 | Bnc Tennis Open | Q1 | James Watt | 3-6 4-6 | lost |
| 2025-11-17 | Sydney | Q1 | Taiyo Yamanaka | 3-6 0-6 | lost |
| 2025-11-10 | Brisbane 3 | Q1 | Takuya Kumasaka | 4-6 6-4 1-6 | lost |
| 2025-11-03 | Taipei | Q1 | Takeru Yuzuki | 4-6 3-6 | lost |