| Nov 23, 2025 | Seifert | ½–½ | Geldner | Round 9: Seifert, Hendrik - Geldner, Gerrit | Sicilian Defense: Old Sicilian | |
| Nov 23, 2025 | Geldner | 0–1 | Mimkes | Round 8: Geldner, Gerrit - Mimkes, Pavel | English Opening | |
| Nov 23, 2025 | Geldner | 1–0 | Mimkes | Round 7: Geldner, Gerrit - Mimkes, Antal | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Nov 23, 2025 | Henninger | 0–1 | Geldner | Round 6: Henninger, Claire - Geldner, Gerrit | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
| Nov 23, 2025 | Geldner | 0–1 | Hartge | Round 5: Geldner, Gerrit - Hartge, Gedeon | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 23, 2025 | ter Stal | 0–1 | Geldner | Round 4: ter Stal, Esther - Geldner, Gerrit | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Nov 23, 2025 | Geldner | 1–0 | Gromadsky | Round 3: Geldner, Gerrit - Gromadsky, Dmitry | Slav Defense: Exchange Variation, Boor Attack | |
| Nov 23, 2025 | Buyukasik | 1–0 | Geldner | Round 2: Buyukasik, Diyap - Geldner, Gerrit | Zukertort Opening: Sicilian Invitation | |
| Nov 23, 2025 | Geldner | 1–0 | Doetsch | Round 1: Geldner, Gerrit - Doetsch, Alexander | English Opening | |
| Nov 22, 2025 | Geldner | 1–0 | Bitan | Round 9: Geldner, Gerrit - Bitan, Banerjee | English Opening: Great Snake Variation | |
| Nov 22, 2025 | Malmstroem | 0–1 | Geldner | Round 8: Malmstroem, Eva - Geldner, Gerrit | Sicilian Defense | |
| Nov 22, 2025 | Geldner | 0–1 | Wong | Round 7: Geldner, Gerrit - Wong, Gengchun | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 22, 2025 | Schaefer | 0–1 | Geldner | Round 6: Schaefer, Marlon - Geldner, Gerrit | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Hasselgruber | ½–½ | Geldner | Round 5: Hasselgruber, Robert Ferenc - Geldner, Gerrit | Sicilian Defense: Alapin Variation | |
| Nov 22, 2025 | Geldner | ½–½ | Niermann | Round 4: Geldner, Gerrit - Niermann, Tristan | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Nov 22, 2025 | Geldner | 1–0 | Yalcinoez | Round 3: Geldner, Gerrit - Yalcinoez, Ahmet | English Opening | |
| Nov 22, 2025 | Born | ½–½ | Geldner | Round 2: Born, Jonathan - Geldner, Gerrit | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Nov 22, 2025 | Geldner | 1–0 | van Spronsen | Round 1: Geldner, Gerrit - van Spronsen, Jakob | English Opening: Carls-Bremen System | |
| Nov 1, 2025 | Geldner | 0–1 | Omar | Round 5: Geldner, Gerrit - Omar, Samy | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Nov 1, 2025 | Krueger | 0–1 | Geldner | Round 4: Krueger, Ekkehard - Geldner, Gerrit | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Oct 31, 2025 | Belka | ½–½ | Geldner | Round 2: Belka, David - Geldner, Gerrit | English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | |
| Oct 31, 2025 | Geldner | 1–0 | Campe | Round 1: Geldner, Gerrit - Campe, Ulrich | English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | |
| Nov 30, 2024 | Geldner | 1–0 | Schlueter | Round 1: Geldner, Gerrit - Schlueter, Johan | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Nov 30, 2024 | Geldner | 0–1 | Poetsch | Round 3: Geldner, Gerrit - Poetsch, Hagen | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| Nov 30, 2024 | Geldner | ½–½ | Abed | Round 5: Geldner, Gerrit - Abed, Karim | English Opening: Anglo-Grünfeld Defense | |
| Nov 30, 2024 | Geldner | 1–0 | Gundogdu | Round 7: Geldner, Gerrit - Gundogdu, Cem | English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | |
| Nov 30, 2024 | Griebling | 0–1 | Geldner | Round 2: Griebling, Florian Alexander - Geldner, Gerrit | Sicilian Defense: Grand Prix Attack | |
| Nov 30, 2024 | Suhre | 0–1 | Geldner | Round 4: Suhre, Florian - Geldner, Gerrit | English Opening: Symmetrical Variation | |
| Nov 30, 2024 | Ziegenfuss | 1–0 | Geldner | Round 6: Ziegenfuss, Larissa - Geldner, Gerrit | Sicilian Defense: Lasker-Pelikan Variation, Schlechter Variation | |
