| Apr 4, 2026 | Leiser | ½–½ | Baier | Runde 9: Leiser, Joachim - Baier, Philip | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 3, 2026 | Sievers | ½–½ | Leiser | Runde 7: Sievers, Andy - Leiser, Joachim | King's Indian Attack: Symmetrical Defense | |
| Apr 2, 2026 | Leiser | 1–0 | Henkel | Runde 6: Leiser, Joachim - Henkel, Ralf | Ruy Lopez: Morphy Defense, Caro Variation | |
| Apr 2, 2026 | Lebershausen | 1–0 | Leiser | Runde 5: Lebershausen, Max - Leiser, Joachim | Sicilian Defense: Alapin Variation | |
| Mar 29, 2026 | Leiser | 0–1 | Slany | Runde 4: Leiser, Joachim - Slany, Ralph | French Defense: Advance Variation, Euwe Variation | |
| Mar 29, 2026 | Feith | 0–1 | Leiser | Runde 3: Feith, Bernhard, Dr. - Leiser, Joachim | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Mar 27, 2026 | Wilk | ½–½ | Leiser | Runde 8: Wilk, Jan - Leiser, Joachim | London System, with Bd3 | |
| Mar 27, 2026 | Leiser | 0–1 | Hirschinger | Runde 2: Leiser, Joachim - Hirschinger, Thomas | Lion Defense: Anti-Philidor, Lion's Cave | |
| Mar 27, 2026 | Willems | 1–0 | Leiser | Runde 1: Willems, Lasse - Leiser, Joachim | Queen's Pawn Game: Modern Defense | |
| May 18, 2025 | Faulhaber | ½–½ | Leiser | Round 7: Faulhaber, Tobias - Leiser, Joachim | Sicilian Defense: Najdorf Variation, Adams Attack | |
| May 18, 2025 | Leiser | 0–1 | Klein | Round 6: Leiser, Joachim - Klein, Deniz | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 18, 2025 | Henkel | 1–0 | Leiser | Round 5: Henkel, Ralf - Leiser, Joachim | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| May 18, 2025 | Leiser | 0–1 | Ronge | Round 4: Leiser, Joachim - Ronge, Tim | Sicilian Defense: Old Sicilian | |
| May 18, 2025 | Fels | 0–1 | Leiser | Round 3: Fels, Georg - Leiser, Joachim | King's Indian Defense | |
| May 18, 2025 | Leiser | 0–1 | Mueller | Round 2: Leiser, Joachim - Mueller, Markus | Caro-Kann Defense: Panov Attack | |
| May 18, 2025 | Puth | 1–0 | Leiser | Round 1: Puth, Dieter - Leiser, Joachim | Indian Defense: Anti-Grünfeld, Alekhine Variation | |
| Apr 19, 2025 | Leiser | 1–0 | Klemm | 92. Pfälzischer Schachkongress | Ruy Lopez: Schliemann Defense | |
| Apr 18, 2025 | Leiser | 1–0 | Pelt | 92. Pfälzischer Schachkongress | Alekhine Defense: Normal Variation | |
| Apr 18, 2025 | Weidinger | 0–1 | Leiser | 92. Pfälzischer Schachkongress | Sicilian Defense: Alapin Variation | |
| Apr 13, 2025 | Leiser | 1–0 | Friedrichs | 92. Pfälzischer Schachkongress | French Defense: Advance Variation, Euwe Variation | |
| Apr 13, 2025 | Lauer | 0–1 | Leiser | 92. Pfälzischer Schachkongress | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Apr 12, 2025 | Leiser | ½–½ | Blatzos | 92. Pfälzischer Schachkongress | Petrov's Defense: Classical Attack, Staunton Variation | |
| Apr 11, 2025 | Dony | ½–½ | Leiser | 92. Pfälzischer Schachkongress | Indian Defense: Przepiorka Variation | |
