| Apr 27, 2026 | Werner | ½–½ | Ortega | Round 8: Werner, Clemens - Ortega, Lexy | Slav Defense: Exchange Variation | |
| Apr 25, 2026 | Werner | ½–½ | Binham | Round 6: Werner, Clemens - Binham, Timothy F. | Alekhine Defense: Scandinavian Variation | |
| Apr 23, 2026 | Werner | ½–½ | Vaisser | Round 5: Werner, Clemens - Vaisser, Anatoli | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Apr 21, 2026 | Pajkovic | ½–½ | Werner | Round 3: Pajkovic, Vladimir - Werner, Clemens | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Oct 5, 2025 | Medancic | 0–1 | Werner | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Queen's Pawn Game | |
| Oct 2, 2025 | Werner | 0–1 | Sturua | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Sicilian Defense: Alapin Variation | |
| Oct 1, 2025 | Pomes Marcet | ½–½ | Werner | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | King's Indian Defense: Smyslov Variation | |
| Sep 30, 2025 | Werner | ½–½ | Sadiku | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | French Defense: Winawer Variation, Petrosian Variation | |
| Sep 28, 2025 | Werner | ½–½ | Biro | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Ruy Lopez: Exchange Variation | |
| May 15, 2024 | Grbovic | 0–1 | Werner | European Senior Team Chess Championship 2024 - Section 65 + | Caro-Kann Defense: Tartakower Variation | |
| May 14, 2024 | Werner | ½–½ | Plachetka | European Senior Team Chess Championship 2024 - Section 65 + | Ruy Lopez: Exchange Variation, Keres Variation | |
| May 13, 2024 | Werner | ½–½ | Dory | European Senior Team Chess Championship 2024 - Section 65 + | Trompowsky Attack | |
| May 12, 2024 | Wengholm | ½–½ | Werner | European Senior Team Chess Championship 2024 - Section 65 + | King's Indian Attack | |
| May 11, 2024 | Werner | ½–½ | Bowmer | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense: Alapin Variation | |
| May 10, 2024 | Werner | ½–½ | Boudre | European Senior Team Chess Championship 2024 - Section 65 + | Trompowsky Attack: Classical Defense | |
| May 9, 2024 | Kosten | 1–0 | Werner | European Senior Team Chess Championship 2024 - Section 65 + | English Opening: King's English Variation | |
| May 8, 2024 | Hugentobler | ½–½ | Werner | European Senior Team Chess Championship 2024 - Section 65 + | Caro-Kann Defense: Exchange Variation | |
| May 7, 2024 | Werner | ½–½ | Singer | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense | |
| Oct 26, 2023 | Werner | ½–½ | Castro Murillo | 65+ World Senior Championship | Trompowsky Attack: Classical Defense | |
| Oct 25, 2023 | Khazankin | * | Werner | 65+ World Senior Championship | ? | |
| Jul 20, 2023 | Peretz | 1–0 | Werner | European Senior Team Chess Championship 2023 65+ | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Jul 19, 2023 | Werner | 1–0 | Bugajski | European Senior Team Chess Championship 2023 65+ | Sicilian Defense: Moscow Variation | |
| Jul 18, 2023 | Roos | ½–½ | Werner | European Senior Team Chess Championship 2023 65+ | Indian Defense | |
| Jul 17, 2023 | Werner | ½–½ | Kosten | European Senior Team Chess Championship 2023 65+ | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Jul 16, 2023 | Plachetka | 1–0 | Werner | European Senior Team Chess Championship 2023 65+ | Ruy Lopez: Classical Variation | |
| Jul 15, 2023 | Swierczewski | ½–½ | Werner | European Senior Team Chess Championship 2023 65+ | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 14, 2023 | Werner | 1–0 | Schutz | European Senior Team Chess Championship 2023 65+ | Sicilian Defense | |
| Jul 13, 2023 | Werner | ½–½ | Lehmann | European Senior Team Chess Championship 2023 65+ | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 12, 2023 | Quinn | 0–1 | Werner | European Senior Team Chess Championship 2023 65+ | Semi-Slav Defense: Meran Variation | |
| Nov 17, 2022 | Shaffer | 1–0 | Werner | 30th World Senior Chess Championship 2022 | Caro-Kann Defense: Gurgenidze System | |
