Shinji Hazawa leads 2 to 0 over 2 singles meetings since 2025. Last meeting on 03/11/2025 at Taipei Challenger.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 03/11/2025 | Taipei Challenger | Qualifiers | indoor hard | Hazawa | 5-7 6-3 6-4 |
| 27/01/2025 | Brisbane 1 Challenger | Qualifiers | hard | Hazawa | 6-4 7-6(5) |
| indoor hard | Hazawa 1 - 0 Vithoontien |
| hard | Hazawa 1 - 0 Vithoontien |
| 2025 | Hazawa 2 - 0 Vithoontien |
133 wins, 108 losses since 2021 (55.2%).
Last matches: D D V V V
113 wins, 115 losses since 2021 (49.6%).
Last matches: V D D V D
Shinji Hazawa leads 2 to 0 over 2 singles meetings since 2025.
On 03/11/2025, at Taipei Challenger (Qualifiers): Shinji Hazawa won 5-7 6-3 6-4.