27 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Tietjen, Joshua | Roth, Thorsten | 1-0 | C54 | Runde 5: Tietjen, Joshua - Roth, Thorsten | 2025-11-01 |
| Tietjen, Joshua | Jonnek, Thomas | 1/2-1/2 | B13 | Runde 6: Tietjen, Joshua - Jonnek, Thomas | 2025-11-01 |
| Tietjen, Joshua | Lau, Udo | 1/2-1/2 | B40 | Runde 3: Tietjen, Joshua - Lau, Udo | 2025-10-31 |
| Tietjen, Joshua | Giel, Olaf | 0-1 | B51 | Runde 1: Tietjen, Joshua - Giel, Olaf | 2025-10-30 |
| Tietjen, Joshua | Zimmer, Lennard | 1-0 | A05 | Round 5: Tietjen, Joshua - Zimmer, Lennard | 2025-07-19 |
| Tietjen, Joshua | Sauer, Ben | 1-0 | E43 | Round 3: Tietjen, Joshua - Sauer, Ben | 2025-07-18 |
| Tietjen, Joshua | Schaetzle, Thomas | 1-0 | B66 | Round 1: Tietjen, Joshua - Schaetzle, Thomas | 2025-07-17 |
| Tietjen, Joshua | Neumann, Hannes | 0-1 | B40 | Round 7: Tietjen, Joshua - Neumann, Hannes | 2024-11-03 |
| Tietjen, Joshua | Kuhlins, Niklas | 1/2-1/2 | A05 | Round 5: Tietjen, Joshua - Kuhlins, Niklas | 2024-11-02 |
| Tietjen, Joshua | Kulgemeyer, Justus | 1-0 | B22 | Round 3: Tietjen, Joshua - Kulgemeyer, Justus | 2024-11-01 |
| Tietjen, Joshua | Kandora, Max | 0-1 | C47 | Round 1: Tietjen, Joshua - Kandora, Max | 2024-10-31 |
| Tietjen, Joshua | Hoepfner, Oliver, Dr. | 1/2-1/2 | B01 | Round 5: Tietjen, Joshua - Hoepfner, Oliver, Dr. | 2024-06-09 |
| Tietjen, Joshua | Bergner, Matthias | 1-0 | C70 | Round 2: Tietjen, Joshua - Bergner, Matthias | |
| Tietjen, Joshua | Ringeltaube, Denny | 1/2-1/2 | B31 | Round 4: Tietjen, Joshua - Ringeltaube, Denny | |
| Tietjen, Joshua | Hengst, Ruediger | 1-0 | A39 | Round 6: Tietjen, Joshua - Hengst, Ruediger |