| Apr 19, 2025 | Ranker | ½–½ | Hiller | 92. Pfälzischer Schachkongress | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Apr 18, 2025 | Hiller | 1–0 | Ehrhardt | 92. Pfälzischer Schachkongress | Scandinavian Defense: Modern Variation | |
| Apr 17, 2025 | Kreuscher | 1–0 | Hiller | 92. Pfälzischer Schachkongress | Italian Game: Scotch Gambit, Max Lange Attack | |
| Apr 14, 2025 | Tiutiunikov | 1–0 | Hiller | 92. Pfälzischer Schachkongress | Indian Defense: Spielmann-Indian | |
| Apr 13, 2025 | Hiller | 1–0 | Schmidt | 92. Pfälzischer Schachkongress | Pirc Defense | |
| Apr 12, 2025 | Hiller | ½–½ | Lares | 92. Pfälzischer Schachkongress | Old Indian Defense: Czech Variation, with Nc3 | |
| Apr 11, 2025 | Orschiedt-Eghbali | 0–1 | Hiller | 92. Pfälzischer Schachkongress | Bird Opening | |
| Sep 4, 2024 | Geyer | 1–0 | Hiller | Round 2: Geyer, Bernhard - Hiller, Joachim | Vienna Game: Mieses Variation | |
| Sep 13, 2023 | Hirstel | 0–1 | Hiller | 20. RLP-Senioren-Open | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Sep 12, 2023 | Hiller | 0–1 | Haase | 20. RLP-Senioren-Open | Scandinavian Defense: Modern Variation | |
| Sep 11, 2023 | Fasel | 0–1 | Hiller | 20. RLP-Senioren-Open | Slav Defense: Czech Variation, Classical System | |
| Sep 10, 2023 | Platten | 0–1 | Hiller | 20. RLP-Senioren-Open | Slav Defense: Exchange Variation, Boor Attack | |
| Sep 9, 2023 | Hiller | 0–1 | Van Kesteren | 20. RLP-Senioren-Open | Nimzowitsch Defense: French Connection | |
| Sep 8, 2023 | Dorn | 0–1 | Hiller | 20. RLP-Senioren-Open | Indian Defense: Spielmann-Indian | |
| Sep 7, 2023 | Hiller | 0–1 | Mortensen | 20. RLP-Senioren-Open | French Defense: Tarrasch Variation, Closed Variation | |
| Sep 6, 2023 | Siebenhaar | 1–0 | Hiller | 20. RLP-Senioren-Open | Rubinstein Opening: Bogoljubow Defense | |
| Sep 5, 2023 | Hiller | 1–0 | Koellmer | 20. RLP-Senioren-Open | Philidor Defense | |
| — | Hiller | 1–0 | Judt | Round 2: Hiller, Joachim - Judt, Gerhard | Philidor Defense: Exchange Variation | |
| — | Hiller | ½–½ | Huettemann | Round 4: Hiller, Joachim - Huettemann, Karl-Heinz | Queen's Gambit Declined: Neo-Orthodox Variation | |
| — | Hiller | ½–½ | Best | Round 6: Hiller, Joachim - Best, Ingeborg | French Defense: Normal Variation | |
| — | Hiller | 0–1 | Daemering | Round 8: Hiller, Joachim - Daemering, Katrin | Modern Defense: Averbakh Variation, Pseudo-Sämisch | |
| — | Rodgaard | 1–0 | Hiller | Round 1: Rodgaard, John - Hiller, Joachim | Slav Defense: Breyer Variation | |
| — | Wegemund | 1–0 | Hiller | Round 5: Wegemund, Hubert - Hiller, Joachim | Italian Game: Classical Variation, Giuoco Pianissimo, with d6 | |
| — | Hansult | 0–1 | Hiller | Round 7: Hansult, Manfred - Hiller, Joachim | Pseudo Queen's Indian Defense | |
| — | Heikaus | 1–0 | Hiller | Round 9: Heikaus, Frank - Hiller, Joachim | Indian Defense | |
