25 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Leht, Karl Samuel | Istratova, Nika | 1-0 | C54 | Round 4: Leht, Karl Samuel - Istratova, Nika | 2026-01-03 |
| Leht, Karl Samuel | Kibe, Marten | 0-1 | A46 | Round 2: Leht, Karl Samuel - Kibe, Marten | 2026-01-02 |
| Leht, Karl Samuel | Uzdemir, Ali Poyraz | 0-1 | B89 | Round 1: Leht, Karl Samuel - Uzdemir, Ali Poyraz | 2025-10-29 |
| Leht, Karl Samuel | Bundan, Edward | 1/2-1/2 | B33 | Round 10: Leht, Karl Samuel - Bundan, Edward | 2024-11-25 |
| Leht, Karl Samuel | Kim, Minwoo | 1-0 | C51 | Round 8: Leht, Karl Samuel - Kim, Minwoo | 2024-11-23 |
| Leht, Karl Samuel | Belyaletdinov, Leonard | 0-1 | D37 | Round 6: Leht, Karl Samuel - Belyaletdinov, Leonard | 2024-11-20 |
| Leht, Karl Samuel | Williams, Henry | 1-0 | C53 | Round 4: Leht, Karl Samuel - Williams, Henry | 2024-11-18 |
| Leht, Karl Samuel | Skytte, Robert | 1/2-1/2 | D30 | Round 2: Leht, Karl Samuel - Skytte, Robert | 2024-11-16 |
| Leht, Karl Samuel | Kleimenov, Nikolay | 0-1 | B90 | Round 1: Leht, Karl Samuel - Kleimenov, Nikolay | 2024-04-28 |
| Leht, Karl Samuel | Hanache, Kai | 0-1 | B56 | Round 6: Leht, Karl Samuel - Hanache, Kai | 2024-04-27 |
| Leht, Karl Samuel | Rahbar, Aihan | 1-0 | B27 | boys-10 | 2023-06-10 |
| Leht, Karl Samuel | Sason, Noam | 0-1 | B28 | boys-10 | 2023-06-10 |
| Leht, Karl Samuel | Develi, Kemal Cagan | 0-1 | C11 | Round 1: Leht, Karl Samuel - Develi, Kemal Cagan | |
| Leht, Karl Samuel | Beniosev, Daniel | 0-1 | B44 | Round 2: Leht, Karl Samuel - Beniosev, Daniel |