| Jul 4, 2026 | Matzat | 0–1 | Junger | Round 9: Matzat, Andre - Junger, Werner | Indian Defense: London System | |
| Jul 3, 2026 | Kuempers | 0–1 | Matzat | Round 8: Kuempers, Ulrich - Matzat, Andre | Slav Defense: Exchange Variation | |
| Jul 2, 2026 | Matzat | ½–½ | Berner | Round 7: Matzat, Andre - Berner, Juergen | Queen's Pawn Game: London System | |
| Jul 1, 2026 | Graf | ½–½ | Matzat | Round 6: Graf, Anton, Dr. - Matzat, Andre | Sicilian Defense: Paulsen-Basman Defense | |
| Jun 30, 2026 | Matzat | ½–½ | Hansult | Round 5: Matzat, Andre - Hansult, Manfred | Queen's Pawn Game: London System | |
| Jun 29, 2026 | Tscharotschkin | 1–0 | Matzat | Round 4: Tscharotschkin, Michael - Matzat, Andre | Queen's Pawn Game: Stonewall Attack | |
| Jun 28, 2026 | Matzat | 1–0 | Rauscher | Round 3: Matzat, Andre - Rauscher, Joachim | Queen's Pawn Game: London System | |
| Jun 27, 2026 | Nebel | 0–1 | Matzat | Round 2: Nebel, Uwe - Matzat, Andre | Sicilian Defense: Closed | |
| Jun 26, 2026 | Matzat | 1–0 | Lindner | Round 1: Matzat, Andre - Lindner, Helmut | Queen's Pawn Game: London System | |
| Sep 27, 2025 | Kannenberg | 1–0 | Matzat | Round 7: Kannenberg, Karl-Heinz - Matzat, Andre | Slav Defense: Czech Variation, Dutch Variation | |
| Sep 26, 2025 | Matzat | ½–½ | Schneider | Round 6: Matzat, Andre - Schneider, Bernd | Torre Attack: Fianchetto Defense | |
| Sep 25, 2025 | Matzat | 1–0 | Negele | Round 5: Matzat, Andre - Negele, Michael, Dr. | Indian Defense: Wade-Tartakower Defense | |
| Sep 24, 2025 | Postler | ½–½ | Matzat | Round 4: Postler, Reinhard - Matzat, Andre | Sicilian Defense: Paulsen-Basman Defense | |
| Sep 22, 2025 | Cichy | 1–0 | Matzat | Round 2: Cichy, Michael, Dr. - Matzat, Andre | Slav Defense: Geller Gambit | |
| Nov 17, 2024 | Matzat | 0–1 | Piskov | World Senior Chess Championship 2024 | Horwitz Defense | |
| Aug 24, 2024 | Matzat | 0–1 | Noldt | Round 2: Matzat, Andre - Noldt, Torsten | Queen's Pawn Game: Modern Defense | |
| Jul 13, 2024 | Matzat | 1–0 | Born | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Queen's Pawn Game: Symmetrical Variation | |
| Jul 6, 2024 | Schott | ½–½ | Matzat | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: Paulsen-Basman Defense | |
| Oct 27, 2023 | Matzat | 0–1 | Paschall | 50+ World Senior Championship | Indian Defense: Wade-Tartakower Defense | |
| Oct 26, 2023 | Buciu | * | Matzat | 50+ World Senior Championship | ? | |
| Oct 25, 2023 | Matzat | 0–1 | Morovic Fernandez | 50+ World Senior Championship | Queen's Pawn Game: Symmetrical Variation | |