2 games · 2021–2024 · 1 classical · 1 online
Koellner 10 draws1 Lenz
50.0% for Koellner
Openings between them
| A41 | Rat Defense: English Rat | 1 | 0.0% |
| A45 | Trompowsky Attack | 1 | 100.0% |
All games
| Koellner, Ruben Gideon2482 | 1-0 | Lenz, Jonas2154 | 34th Staufer-Open 2024 | 2024 |
| Lenz, Jonas2092 | 1-0 | Koellner, Ruben Gideon2412 | TCh-GER Online Liga 1 GpA | 2021 |