| Jun 29, 2026 | Kuempers | 0–1 | Arlt | Round 4: Kuempers, Ulrich - Arlt, Reinhard | Queen's Gambit Declined | |
| Jun 28, 2026 | Arlt | 0–1 | Tscharotschkin | Round 3: Arlt, Reinhard - Tscharotschkin, Michael | French Defense: Advance Variation, Wade Variation | |
| Jun 27, 2026 | Litfin | 0–1 | Arlt | Round 2: Litfin, Boris - Arlt, Reinhard | French Defense: King's Indian Attack | |
| Jun 26, 2026 | Arlt | 1–0 | Bauer | Round 1: Arlt, Reinhard - Bauer, Dieter | Philidor Defense: Lion Variation | |
| Jul 12, 2025 | Osmanovic | ½–½ | Arlt | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Yusupov-Rubinstein System | |
| Jul 11, 2025 | Arlt | ½–½ | Dekan | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 10, 2025 | Schrems | ½–½ | Arlt | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Queen's Indian Defense: Classical Variation | |
| Jul 9, 2025 | Arlt | 1–0 | Schneider | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Caro-Kann Defense: Advance Variation | |
| Jul 8, 2025 | Arlt | ½–½ | Coste | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: Closed | |
| Jul 6, 2025 | Lutz | ½–½ | Arlt | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Jul 5, 2025 | Arlt | 1–0 | Kaufmann | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Scandinavian Defense: Kiel Variation | |
| Jul 13, 2024 | Gierse | ½–½ | Arlt | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | French Defense: King's Indian Attack | |
| Jul 10, 2024 | Arlt | 0–1 | Mueller | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Jul 9, 2024 | Cichy | ½–½ | Arlt | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jul 7, 2024 | Brettschneider | ½–½ | Arlt | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Jul 6, 2024 | Arlt | ½–½ | Ackermann | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Sicilian Defense: Moscow Variation | |
| Jul 5, 2024 | Korth | 0–1 | Arlt | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | French Defense: King's Indian Attack | |
