16 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Kowalczik, Lars | Tarasenko, Nazar | 0-1 | B22 | Landesjugendeinzelmeisterschaft in Niedersachsen U14 | 2026-04-03 |
| Kowalczik, Lars | Wozniak, Thomas | 1/2-1/2 | B22 | Landesjugendeinzelmeisterschaft in Niedersachsen U14 | 2026-04-01 |
| Kowalczik, Lars | Foerthmann, Jasper | 1/2-1/2 | B10 | Landesjugendeinzelmeisterschaft in Niedersachsen U14 | 2026-04-01 |
| Kowalczik, Lars | Rauschel, Marten | 1-0 | B22 | Landesjugendeinzelmeisterschaft in Niedersachsen U14 | 2026-03-30 |
| Kowalczik, Lars | Margaryan, Mari | 1-0 | C02 | Landesjugendeinzelmeisterschaft in Niedersachsen U14 | 2026-03-28 |
| Lars Kowalczik | Stremel, Danill | 0-1 | B18 | Runde 5: Lars Kowalczik - Stremel, Danill | 2026-01-04 |
| Lars Kowalczik | Louis Joel Fuchs | 1-0 | B08 | Runde 6: Lars Kowalczik - Louis Joel Fuchs | 2026-01-04 |
| Lars Kowalczik | Burdielov, Illia | 0-1 | C50 | Runde 3: Lars Kowalczik - Burdielov, Illia | 2026-01-03 |
| Lars Kowalczik | David Pavlov | 1-0 | B10 | Runde 1: Lars Kowalczik - David Pavlov | 2026-01-02 |