20 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Middendorf, Sven-Jonas | Fruth, David | 1/2-1/2 | B20 | DVM U12 2021 | 2022-03-27 |
| Middendorf, Sven-Jonas | Rudolph, Konrad | 1-0 | B04 | DVM U12 2021 | 2022-03-26 |
| Middendorf, Sven-Jonas | Bergmann, Moritz | 1-0 | C66 | DVM U12 2021 | 2022-03-25 |
| Middendorf, Sven-Jonas | Bräutigam, Alexander | 0-1 | B84 | DEM U12 2021 | 2021-08-29 |
| Middendorf, Sven-Jonas | Kullmann, Max | 0-1 | B01 | DEM U12 2021 | 2021-08-27 |
| Middendorf, Sven-Jonas | Fruth, David | 0-1 | B35 | DEM U12 2021 | 2021-08-26 |
| Middendorf, Sven-Jonas | Klaska, Philipp Leon | 0-1 | B41 | DEM U12 2021 | 2021-08-24 |
| Middendorf, Sven-Jonas | Sauer, Tim | 0-1 | B27 | DEM U12 2021 | 2021-08-23 |
| Sven-Jonas Middendorf | David Goldmann | 0-1 | B31 | U10 - Runde 7: Sven-Jonas Middendorf - David Goldmann | 2021-08-08 |
| Sven-Jonas Middendorf | Quentin Ahlers | 1-0 | C64 | U10 - Runde 1: Sven-Jonas Middendorf - Quentin Ahlers | 2021-08-07 |
| Sven-Jonas Middendorf | Quentin Ahlers | 1-0 | C64 | U10 - Runde 2: Sven-Jonas Middendorf - Quentin Ahlers | 2021-08-07 |