11 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Hefele, Stefanie | Xiao, Yiyi | 0-1 | C44 | DEM U10w 2021 | 2021-08-28 |
| Hefele, Stefanie | Bakó, Isabella | 1-0 | B10 | DEM U10w 2021 | 2021-08-27 |
| Hefele, Stefanie | Kovalskyy, Alicia | 1-0 | C45 | DEM U10w 2021 | 2021-08-26 |
| Hefele, Stefanie | Bacakova, Klara | 1-0 | B23 | DEM U10w 2021 | 2021-08-25 |
| Hefele, Stefanie | Meier, Viktoria | 0-1 | C41 | DEM U10w 2021 | 2021-08-24 |
| Hefele, Stefanie | Ruddat, Maila | 1-0 | C46 | DEM U10w 2021 | 2021-08-23 |