8 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Sieglen, Joachim, Dr. | Baenziger, Fabian | 0-1 | E47 | Grenke Chess Festival 2026 Open | 2026-04-02 |
| Sieglen, Joachim, Dr. | Abdisalimov, Abdimalik | 0-1 | E54 | Round 1: Sieglen, Joachim, Dr. - Abdisalimov, Abdimalik | 2025-11-01 |
| Sieglen, Joachim, Dr. | Kramer, Julian | 1/2-1/2 | D85 | Grenke Chess Open 2024 | 2024-03-28 |
| Joachim Sieglen | Philipp Mai | 1/2-1/2 | E92 | Round 4: Joachim Sieglen - Philipp Mai | 2023-10-31 |