Stian Klaassen leads 2 to 0 over 2 singles meetings since 2025. Last meeting on 02/08/2026 at M15 Eupen.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 02/08/2026 | M15 Eupen | Qualifying 1 | clay | Klaassen | |
| 22/06/2025 | M15 Alkmaar | Qualifying 1 | clay | Klaassen |
| clay | Klaassen 2 - 0 Guinau |
| 2026 | Klaassen 1 - 0 Guinau |
| 2025 | Klaassen 1 - 0 Guinau |
37 wins, 24 losses since 2021 (60.7%).
Last matches: D V D D D
3 wins, 12 losses since 2021 (20.0%).
Last matches: D D V V D
Stian Klaassen leads 2 to 0 over 2 singles meetings since 2025.
On 02/08/2026, at M15 Eupen (Qualifying 1): Stian Klaassen won.