44 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Oestmann, Lukas | Ruchat, Blaise | 1-0 | C96 | Round 10: Oestmann, Lukas - Ruchat, Blaise | 2026-07-23 |
| Oestmann, Lukas | Hornung, Hans, Dr. | 0-1 | C79 | Round 7: Oestmann, Lukas - Hornung, Hans, Dr. | 2026-07-20 |
| Oestmann, Lukas | Ashwath Kaushik | 0-1 | B93 | Round 5: Oestmann, Lukas - Ashwath Kaushik | 2026-07-17 |
| Oestmann, Lukas | Erne, Raphael | 1/2-1/2 | B12 | Round 4: Oestmann, Lukas - Erne, Raphael | 2026-07-16 |
| Oestmann, Lukas | Kunz, Andre | 1/2-1/2 | B13 | Round 2: Oestmann, Lukas - Kunz, Andre | 2026-07-14 |
| Oestmann, Lukas | Schaffner, David | 1/2-1/2 | B27 | Biel Chess Festival 2025 MTO | 2025-07-23 |
| Oestmann, Lukas | Cordes, Jule | 1/2-1/2 | C05 | Biel Chess Festival 2025 MTO | 2025-07-21 |
| Oestmann, Lukas | Kumbharathi, Vedansh | 0-1 | B93 | Biel Chess Festival 2025 MTO | 2025-07-17 |
| Oestmann, Lukas | Poeck, Ole | 0-1 | B10 | Biel Chess Festival 2025 MTO | 2025-07-15 |
| Oestmann, Lukas | Yu, Tianxiang Carlos | 1/2-1/2 | B72 | Biel Chess Festival 2024 | 2024-07-23 |
| Oestmann, Lukas | Primbetova, Raikhan | 1-0 | C07 | Biel Chess Festival 2024 | 2024-07-20 |
| Oestmann, Lukas | Kern, Beat | 1-0 | B10 | Biel Chess Festival 2024 | 2024-07-16 |
| Oestmann, Lukas | Khanabiev, Alexey | 0-1 | C41 | Biel International Chess Festival - Main Tournament | 2023-07-24 |
| Oestmann, Lukas | Mirski, Michal | 1-0 | B36 | Biel International Chess Festival - Main Tournament | 2023-07-23 |
| Oestmann, Lukas | Arbinger, Roland | 1-0 | B08 | Biel International Chess Festival - Main Tournament | 2023-07-20 |
| Oestmann, Lukas | Budai, Federico | 1/2-1/2 | C88 | Hit Open 2022 | 2022-09-21 |
| Oestmann, Lukas | Bajo, Tin | 1-0 | C88 | Hit Open 2022 | 2022-09-19 |
| Oestmann, Lukas | Schloffer, Jasmin-Denise | 1/2-1/2 | C42 | Hit Open 2022 | 2022-09-18 |
| Oestmann, Lukas | Both, Aaron | 1/2-1/2 | B42 | 26th HIT Open | 2022-09-16 |
| Oestmann, Lukas | Andrzejewska, Anna | 1-0 | C78 | Biel Chess Festival 2024 | 2022-07-25 |
| Oestmann, Lukas | Mohr, Jan | 1-0 | B76 | Biel Chess Festival 2024 | 2022-07-18 |