20 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Hartung-Nielsen, Jens | Fradkin, Benjamin | 1-0 | B14 | Round 11: Hartung-Nielsen, Jens - Fradkin, Benjamin | 2025-11-01 |
| Hartung-Nielsen, Jens | Gosch, Manfred | 1-0 | B07 | Round 9: Hartung-Nielsen, Jens - Gosch, Manfred | 2025-10-30 |
| Hartung-Nielsen, Jens | Baasanjav, Mijid | 1/2-1/2 | D04 | Round 7: Hartung-Nielsen, Jens - Baasanjav, Mijid | 2025-10-28 |
| Hartung-Nielsen, Jens | Moise, Octavian-Mirel | 1/2-1/2 | B33 | Round 5: Hartung-Nielsen, Jens - Moise, Octavian-Mirel | 2025-10-25 |
| Hartung-Nielsen, Jens | Bekentayev, Uran | 0-1 | B76 | Round 3: Hartung-Nielsen, Jens - Bekentayev, Uran | 2025-10-23 |
| Hartung-Nielsen, Jens | Hulse, Brian | 0-1 | B17 | Round 1: Hartung-Nielsen, Jens - Hulse, Brian | 2025-10-21 |
| Hartung-Nielsen, Jens | Lauritsen, Niels | 1-0 | A25 | senior-dm | 2025-02-14 |
| Hartung-Nielsen, Jens | Nielsen, Christian Volmer | 1-0 | D11 | 65+ group | 2025-02-12 |
| Hartung-Nielsen, Jens | Petersen, Nils | 1/2-1/2 | D01 | 65+ group | 2025-02-10 |
| Hartung-Nielsen, Jens | Olsen, Bjorn | 1-0 | A41 | 65 + group | 2025-02-08 |
| Jens Hartung-Nielsen | Bengt Hammar | 1/2-1/2 | D87 | Round 10: Jens Hartung-Nielsen - Bengt Hammar | 2023-11-04 |