| Jul 13, 2025 | Babrikowski | ½–½ | Waltenberger | Round 7: Babrikowski, Peter, Dr. - Waltenberger, Udo | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jul 12, 2025 | Waltenberger | ½–½ | Szenetra | Round 6: Waltenberger, Udo - Szenetra, Werner | Zukertort Opening: Pirc Invitation | |
| Jul 11, 2025 | Roth | 0–1 | Waltenberger | Round 5: Roth, Heinz-Georg - Waltenberger, Udo | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 10, 2025 | Waltenberger | ½–½ | Cordes | Round 4: Waltenberger, Udo - Cordes, Lothar | English Opening: Symmetrical Variation, Mecking Variation | |
| Jul 8, 2025 | Waltenberger | 1–0 | Buss | Round 2: Waltenberger, Udo - Buss, Heiko | Zukertort Opening: Kingside Fianchetto | |
| Jul 7, 2025 | Moews | 0–1 | Waltenberger | Round 1: Moews, Harald - Waltenberger, Udo | Sicilian Defense: Bowdler Attack | |
| Jul 3, 2025 | Kahe | ½–½ | Waltenberger | Round 3: Kahe, Ralph - Waltenberger, Udo | Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit, Capablanca Variation | |
| Jul 7, 2024 | Funke | ½–½ | Waltenberger | Round 7: Funke, Arnold - Waltenberger, Udo | Blackmar-Diemer Gambit Accepted: Bogoljubow Defense | |
| Jul 6, 2024 | Waltenberger | ½–½ | Krieg | Round 6: Waltenberger, Udo - Krieg, Peter | Catalan Opening: Closed | |
| Jul 5, 2024 | Koehler | 1–0 | Waltenberger | Round 5: Koehler, Gerhard, Dr. - Waltenberger, Udo | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Jul 4, 2024 | Waltenberger | ½–½ | Erler | Round 4: Waltenberger, Udo - Erler, Rainer | Tarrasch Defense: Classical Variation | |
| Jul 3, 2024 | Schmieder | 0–1 | Waltenberger | Round 3: Schmieder, Siegfried - Waltenberger, Udo | Sicilian Defense: Closed, Traditional | |
| Jul 2, 2024 | Waltenberger | 1–0 | Methner | Round 2: Waltenberger, Udo - Methner, Margit | Queen's Pawn Game: Chigorin Variation | |
| Jul 2, 2024 | Waltenberger | ½–½ | Schulz | Round 2: Waltenberger, Udo - Schulz, Hans-Werner | Zukertort Opening: Sicilian Invitation | |
| Jul 1, 2024 | Moews | 0–1 | Waltenberger | Round 1: Moews, Harald - Waltenberger, Udo | Sicilian Defense: Bowdler Attack | |
