| Apr 23, 2026 | Meister | ½–½ | Hammar | Round 5: Meister, Jakob - Hammar, Bengt | King's Indian Defense: Normal Variation | |
| Apr 20, 2026 | Littlewood | 1–0 | Hammar | Round 2: Littlewood, Paul E - Hammar, Bengt | Sicilian Defense: Najdorf Variation | |
| Sep 30, 2025 | Hammar | 0–1 | Renman | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | French Defense: Winawer Variation, Advance Variation | |
| Sep 28, 2025 | Hammar | 0–1 | Thorsteinsson | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Sicilian Defense: Dragon Variation, Classical Variation | |
| Feb 26, 2025 | Hammar | ½–½ | Cocozza | World Senior Team 2025 S65 | Caro-Kann Defense: Karpov Variation | |
| Feb 25, 2025 | Hammar | ½–½ | Gal | World Senior Team 2025 S65 | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Feb 24, 2025 | Navratil | 0–1 | Hammar | World Senior Team 2025 S65 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Feb 23, 2025 | Koehler | 1–0 | Hammar | World Senior Team 2025 S65 | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Feb 21, 2025 | Hammar | 1–0 | Noone | World Senior Team 2025 S65 | Sicilian Defense: Najdorf Variation, Main Line | |
| Feb 20, 2025 | Canonne | 0–1 | Hammar | World Senior Team 2025 S65 | Sicilian Defense: Closed | |
| Feb 18, 2025 | Hammar | ½–½ | Cordes | World Senior Team 2025 S65 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Nov 24, 2024 | Nasybullin | 1–0 | Hammar | World Senior Chess Championship 2024 | Grünfeld Defense: Three Knights Variation | |
| Nov 20, 2024 | Hammar | 0–1 | Bogdanov | World Senior Chess Championship 2024 | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Nov 18, 2024 | Sunye Neto | 1–0 | Hammar | World Senior Chess Championship 2024 | King's Indian Defense: Orthodox Variation, Bayonet Attack | |
| Jul 11, 2024 | Hammar | 1–0 | Becker | wstcc2024o65 | French Defense: Winawer Variation, Petrosian Variation | |
| Jul 10, 2024 | Goldmane | 0–1 | Hammar | wst65 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Jul 9, 2024 | Hentunen | 1–0 | Hammar | wstcc2024o65 | English Opening: Great Snake Variation | |
| Jul 7, 2024 | Hammar | ½–½ | Morriss | wstcc2024o65 | Caro-Kann Defense: Karpov Variation | |
| Jul 6, 2024 | Baum | ½–½ | Hammar | wstcc2024o65 | Philidor Defense: Lion Variation | |
| Jul 5, 2024 | Hammar | 1–0 | Trabattoni | 65-1 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 4, 2024 | Hammar | 1–0 | Bhopal | wstcc2024o65 | Scandinavian Defense: Bronstein Variation | |
| Jul 3, 2024 | Hammar | 0–1 | Roos | 65-1 | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Jul 2, 2024 | Gorjaltsan | 0–1 | Hammar | wst65 | King's Indian Defense: Normal Variation | |
| May 15, 2024 | Hammar | 1–0 | Tsifanskaya | European Senior Team Chess Championship 2024 - Section 65 + | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| May 14, 2024 | Mazi | 1–0 | Hammar | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense: Chekhover Variation | |
| May 13, 2024 | Popovic | 0–1 | Hammar | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense: Chekhover Variation | |
| May 12, 2024 | Hammar | ½–½ | Kierzek | European Senior Team Chess Championship 2024 - Section 65 + | King's Indian Attack: Keres Variation | |
| May 11, 2024 | Hammar | 1–0 | Strobel | European Senior Team Chess Championship 2024 - Section 65 + | Pirc Defense: Austrian Attack, Dragon Formation | |
| May 10, 2024 | James | ½–½ | Hammar | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense: Moscow Variation | |
| May 9, 2024 | Hammar | 0–1 | Berglitz | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | |
| Nov 5, 2023 | Herman C. Van Riemsdijk | 1–0 | Bengt Hammar | Round 11: Herman C. Van Riemsdijk - Bengt Hammar | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Nov 4, 2023 | Jens Hartung-Nielsen | ½–½ | Bengt Hammar | Round 10: Jens Hartung-Nielsen - Bengt Hammar | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Nov 3, 2023 | Bengt Hammar | ½–½ | Hans-Joachim Vatter | Round 9: Bengt Hammar - Hans-Joachim Vatter | Indian Defense: London System | |
| Oct 30, 2023 | Rainer Knaak | 1–0 | Bengt Hammar | Round 6: Rainer Knaak - Bengt Hammar | King's Indian Defense: Normal Variation, Rare Defenses | |
| Oct 27, 2023 | Bengt Hammar | 0–1 | Jose Luis Fernandez Garcia | 65+ World Senior Championship | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Oct 26, 2023 | Bjorgvik | * | Hammar | 65+ World Senior Championship | ? | |
| Oct 25, 2023 | Hammar | * | Bottini | 65+ World Senior Championship | ? | |
| Oct 4, 2021 | Boris Gruzmann | 0–1 | Bengt Hammar | Round 9: Boris Gruzmann - Bengt Hammar | ? | |
| Oct 2, 2021 | Nils-Ake Malmdin | ½–½ | Bengt Hammar | Round 7: Nils-Ake Malmdin - Bengt Hammar | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Oct 1, 2021 | Bengt Hammar | 0–1 | Terry P D Chapman | Round 6: Bengt Hammar - Terry P D Chapman | Caro-Kann Defense: Tartakower Variation | |
| Sep 30, 2021 | Nathan Birnboim | 1–0 | Bengt Hammar | Round 5: Nathan Birnboim - Bengt Hammar | Sicilian Defense: French Variation | |
| Sep 29, 2021 | Bengt Hammar | 1–0 | Annett Wagner-Michel | Round 4: Bengt Hammar - Annett Wagner-Michel | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Sep 28, 2021 | Matthias Kierzek | 0–1 | Bengt Hammar | Round 3: Matthias Kierzek - Bengt Hammar | Grünfeld Defense: Exchange Variation | |
| Sep 27, 2021 | Bengt Hammar | ½–½ | Stephan Buchal | Round 2: Bengt Hammar - Stephan Buchal | Pirc Defense: Austrian Attack, Dragon Formation | |