| Matches | 5 |
| Won by Kowalski Longin | 3 (60%) |
| Won by Baumgartner Viktor | 2 (40%) |
| Tied | 0 (0%) |
| # | Tourney | Championship | Date | Round | Scores | |
|---|---|---|---|---|---|---|
| Kowalski Longin | Baumgartner Viktor | |||||
| 1 | Dreikönigsturnier 2024 | Dreikönigsturnier | 01-07-2024 | 4 | 20 | 16 |
| 2 | Dreikönigsturnier 2024 | ... | 01-07-2024 | 8 | 11 | 25 |
| 3 | 6. MSP-Turnier | Swiss Championship 2023/24 | 04-06-2024 | 4 | 3 | 25 |
| 4 | 1. MSP-Turnier | Swiss Championship 2024/25 | 11-02-2024 | 2 | 25 | 11 |
| 5 | Dreikönigsturnier 2025 | Dreikönigsturnier | 01-05-2025 | 2 | 13 | 11 |