| Jun 14, 2025 | Neumann | 1–0 | Jacobasch | DEM U18w 2025 | Pirc Defense: 150 Attack | |
| Jun 12, 2025 | Bursan | ½–½ | Jacobasch | DEM U18w 2025 | Modern Defense: Standard Line | |
| Jun 11, 2025 | Jacobasch | 1–0 | Ulrich | DEM U18w 2025 | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Jun 11, 2025 | Fetahovic | ½–½ | Jacobasch | DEM U18w 2025 | Pirc Defense: 150 Attack | |
| Jun 10, 2025 | Jacobasch | 1–0 | Schirmer | DEM U18w 2025 | Queen's Gambit Declined: Charousek Variation | |
| Jun 9, 2025 | Wilmink | ½–½ | Jacobasch | DEM U18w 2025 | Pirc Defense: Classical Variation | |
| Jun 8, 2025 | Jacobasch | 1–0 | Stepanjan | DEM U18w 2025 | King's Indian Defense: Fianchetto Variation, Yugoslav Variation | |
| Jun 8, 2025 | Sereda | 1–0 | Jacobasch | DEM U18w 2025 | Modern Defense: Standard Defense | |
| Jun 6, 2025 | Jacobasch | 0–1 | Heidemann | DEM U18w 2025 | Rapport-Jobava System | |
| Dec 30, 2024 | Jacobasch | 0–1 | Sayouf | DVM U16w 2024 | English Opening: Symmetrical Variation, Mecking Variation | |
| Dec 29, 2024 | Jacobasch | 0–1 | Neumann | DVM U16w 2024 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Dec 29, 2024 | Averkova | 0–1 | Jacobasch | DVM U16w 2024 | East Indian Defense | |
| Dec 28, 2024 | Jacobasch | 0–1 | Czaeczine | DVM U16w 2024 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Dec 28, 2024 | Lorenz | 0–1 | Jacobasch | DVM U16w 2024 | Pirc Defense: 150 Attack, Sveshnikov-Jansa Attack | |
| Dec 27, 2024 | Jacobasch | 1–0 | Stepanjan | DVM U16w 2024 | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Dec 27, 2024 | Rafikova | ½–½ | Jacobasch | DVM U16w 2024 | Pirc Defense: Classical Variation | |
| Oct 6, 2024 | Jacobasch | 1–0 | Roessling | Deutsche Ländermeisterschaft 2024 | King's Indian Attack | |
| Oct 5, 2024 | Bezsonna | 1–0 | Jacobasch | Deutsche Ländermeisterschaft 2024 | Pirc Defense | |
| Oct 5, 2024 | Tu | 0–1 | Jacobasch | Deutsche Ländermeisterschaft 2024 | Pirc Defense | |
| Oct 4, 2024 | Jacobasch | ½–½ | Rafikova | Deutsche Ländermeisterschaft 2024 | King's Indian Attack: Symmetrical Defense | |
| Oct 4, 2024 | Jacobasch | 0–1 | Andersen | Deutsche Ländermeisterschaft 2024 | King's Indian Attack: Symmetrical Defense | |
| Oct 3, 2024 | Loos | 1–0 | Jacobasch | Deutsche Ländermeisterschaft 2024 | Zukertort Opening: Nimzo-Larsen Variation | |
| Oct 3, 2024 | Fischermann | 1–0 | Jacobasch | Deutsche Ländermeisterschaft 2024 | Pirc Defense: Classical Variation, Schlechter Variation | |
| May 25, 2024 | Reddi | 1–0 | Jacobasch | DEM U16w 2024 | French Defense: Exchange Variation | |
| May 24, 2024 | Jacobasch | ½–½ | Loos | DEM U16w 2024 | Hungarian Opening: Catalan Formation | |
| May 23, 2024 | Hoffmann | ½–½ | Jacobasch | DEM U16w 2024 | Indian Defense: Przepiorka Variation | |
| May 22, 2024 | Jacobasch | ½–½ | Bursan | DEM U16w 2024 | King's Indian Attack | |
| May 22, 2024 | Moldovan | 1–0 | Jacobasch | DEM U16w 2024 | Pirc Defense | |
| May 21, 2024 | Jacobasch | 0–1 | Trunz | DEM U16w 2024 | King's Indian Attack | |
| May 20, 2024 | Mueller | ½–½ | Jacobasch | DEM U16w 2024 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 19, 2024 | Jacobasch | 1–0 | Fock | DEM U16w 2024 | Zukertort Opening: Sicilian Invitation | |
| May 19, 2024 | Fetahovic | 0–1 | Jacobasch | DEM U16w 2024 | Modern Defense: Standard Defense | |
| Jun 11, 2022 | Jacobasch | ½–½ | Hergenröder | DEM U14w 2022 | King's Indian Attack | |
| Jun 10, 2022 | Margaryan | 1–0 | Jacobasch | DEM U14w 2022 | Pirc Defense: Classical Variation, Quiet System | |
| Jun 9, 2022 | Fock | ½–½ | Jacobasch | DEM U14w 2022 | Pirc Defense: Austrian Attack, Unzicker Attack | |
| Jun 8, 2022 | Jacobasch | 0–1 | Lorenz | DEM U14w 2022 | Hungarian Opening: Indian Defense | |
| Jun 8, 2022 | Stepanjan | 0–1 | Jacobasch | DEM U14w 2022 | Pirc Defense: Classical Variation, Quiet System | |
| Jun 7, 2022 | Jacobasch | ½–½ | Eichhorn | DEM U14w 2022 | French Defense: King's Indian Attack | |
| Jun 6, 2022 | Peglau | * | Jacobasch | DEM U14w 2022 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Jun 5, 2022 | Jacobasch | * | Ottlik | DEM U14w 2022 | Hungarian Opening: Sicilian Invitation | |
| Jun 5, 2022 | Göb | * | Jacobasch | DEM U14w 2022 | Modern Defense: Three Pawns Attack | |
| May 3, 2022 | Werner | ½–½ | Jacobasch | DVM U16w 2021 | Pirc Defense | |
| May 2, 2022 | Jacobasch | 0–1 | Hubert | DVM U16w 2021 | King's Indian Attack: French Variation | |
| May 1, 2022 | Reich | * | Jacobasch | DVM U16w 2021 | Pirc Defense | |
| Apr 30, 2022 | Jacobasch | ½–½ | Lensing | DVM U16w 2021 | King's Indian Attack: Keres Variation | |
| Jun 27, 2021 | Jacobasch | ½–½ | Lorenz | DVM U14w 2020 | King's Indian Attack | |
| Jun 26, 2021 | Becker | ½–½ | Jacobasch | DVM U14w 2020 | Pirc Defense | |
| Jun 26, 2021 | Prinzen | ½–½ | Jacobasch | DVM U14w 2020 | Pirc Defense: Byrne Variation | |
| Jun 25, 2021 | Jacobasch | 1–0 | Werner | DVM U14w 2021 | King's Indian Attack | |
| Jun 25, 2021 | von Beckh | 1–0 | Jacobasch | DVM U14w 2021 | Pirc Defense | |
| Jun 24, 2021 | Jacobasch | * | Reich | DVM U14w 2021 | Sicilian Defense: Four Knights Variation | |
| — | Jacobasch | 1–0 | Marin Aso | Round 6: Jacobasch, Ronja - Marin Aso, Jose Luis | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| — | Kemna | 1–0 | Jacobasch | Round 3: Kemna, Martin - Jacobasch, Ronja | Nimzo-Indian Defense | |
| — | Gong | 1–0 | Jacobasch | Round 7: Gong, Gregory - Jacobasch, Ronja | Pirc Defense: Byrne Variation | |