13 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Sandmann, Mattis Majvang | Olsen, Markus Lindholm | 0-1 | D00 | LymDM Basisgruppen | 2026-09-20 |
| Sandmann, Mattis Majvang | Elcer, Spencer Skoubo | 0-1 | D00 | HurtigDM-Basisgruppen | 2026-09-19 |
| Sandmann, Mattis Majvang | Jorgensen, August Ronbak | 1-0 | B72 | Kort PÃ¥ske 1 | 2025-04-14 |
| Sandmann, Mattis Majvang | Dithlevsen, Birgit | 1/2-1/2 | C41 | Kort PÃ¥ske 1 | 2025-04-13 |
| Sandmann, Mattis Majvang | Vo, Charlie | 0-1 | B87 | U-DM U10 U12 | 2024-10-06 |
| Sandmann, Mattis Majvang | Bjerregaard Hagen, Frida | 0-1 | C02 | U-DM U8-U12 | 2023-11-05 |
| Sandmann, Mattis Majvang | Pirtac, Alexandru | 0-1 | B40 | U-DM U8-U12 | 2023-11-04 |