| Jul 12, 2026 | Kiesel | 1–0 | Weitz | Round 7: Kiesel, Harald - Weitz, Andreas | Caro-Kann Defense: Two Knights Attack, Mindeno Variation | |
| Jul 11, 2026 | Weitz | ½–½ | Zschischang | Round 6: Weitz, Andreas - Zschischang, Gunnar | King's Indian Defense: Sämisch Variation, Normal Defense | |
| Jul 10, 2026 | Dannhauer | ½–½ | Weitz | Round 5: Dannhauer, Frank - Weitz, Andreas | Caro-Kann Defense: Exchange Variation | |
| Jul 9, 2026 | Weitz | ½–½ | Zschischang | Round 4: Weitz, Andreas - Zschischang, Marine | Queen's Gambit Declined | |
| Jul 8, 2026 | Wolter | 0–1 | Weitz | Round 3: Wolter, Kerstin - Weitz, Andreas | Modern Defense | |
| Jul 13, 2025 | Weitz | 1–0 | Hencke | Round 7: Weitz, Andreas - Hencke, Heiko | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 12, 2025 | Schiller | ½–½ | Weitz | Round 6: Schiller, Dirk - Weitz, Andreas | Indian Defense | |
| Jul 11, 2025 | Weitz | ½–½ | Heiler | Round 5: Weitz, Andreas - Heiler, Karl | Rat Defense: English Rat | |
| Jul 10, 2025 | Junggebauer | 1–0 | Weitz | Round 4: Junggebauer, Thomas - Weitz, Andreas | Caro-Kann Defense: Main Line | |
| Jul 9, 2025 | Weitz | ½–½ | Rabus | Round 3: Weitz, Andreas - Rabus, Berthold | Semi-Slav Defense: Meran Variation | |
| Jul 8, 2025 | Schoetzig | ½–½ | Weitz | Round 2: Schoetzig, Detlef - Weitz, Andreas | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Nov 7, 2022 | Arnhold | 1–0 | Weitz | 25th Open Bavarian Championship | ? | |
| Nov 6, 2022 | Weitz | ½–½ | Thiel | 25th Open Bavarian Championship | ? | |
| Nov 7, 2021 | Danninger | * | Weitz | 24th Open Bavarian Championship | ? | |
| Nov 6, 2021 | Weitz | 0–1 | Schneider | 24th Open Bavarian Championship | ? | |
| Nov 5, 2021 | Degenhard | 1–0 | Weitz | 24th Open Bavarian Championship | ? | |
| Nov 4, 2021 | Weitz | 1–0 | De la Riva Real | 24th Open Bavarian Championship | ? | |
| Nov 3, 2021 | Smits | 1–0 | Weitz | 24th Open Bavarian Championship | ? | |
| Nov 2, 2021 | Weitz | 1–0 | Wagner | 24th Open Bavarian Championship | ? | |
| Nov 1, 2021 | Schaffarczyk | 1–0 | Weitz | 24th Open Bavarian Championship | ? | |
| Oct 31, 2021 | Weitz | 1–0 | Cerpnjak | 24th Open Bavarian Championship | ? | |
| Oct 30, 2021 | Hertling | * | Weitz | 24th Open Bavarian Championship | ? | |