| May 14, 2025 | Heimdall 1.4.0-beta-b89cb959 | 1–0 | Expositor 5WN03 | TCEC Season 28 - Category 2 Playoff | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| May 14, 2025 | Integral 7.0.0-dev-ff7e3b0c | 1–0 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 13, 2025 | Clover 8.1.10 | 1–0 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | French Defense: Winawer Variation, Positional Variation | |
| May 13, 2025 | Heimdall 1.4.0-beta-b89cb959 | 1–0 | Sapling 1.2.7 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense | |
| May 12, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Reckless 0.8.0-dev-51148968 | TCEC Season 28 - Category 2 Playoff | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| May 12, 2025 | Halogen 12.21.0 | ½–½ | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | Bogo-Indian Defense: Grünfeld Variation | |
| May 11, 2025 | Heimdall 1.4.0-beta-b89cb959 | 1–0 | Clarity 8.0.0 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense: Steiner Attack | |
| May 11, 2025 | Tucano 12.10 | ½–½ | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | Old Indian Defense: Normal Variation | |
| May 11, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | PlentyChess 5.0.14 | TCEC Season 28 - Category 2 Playoff | Sicilian Defense: Pin Variation, Koch Variation | |
| May 11, 2025 | Renegade 1.2.0 | ½–½ | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| May 10, 2025 | Expositor 5WN03 | 0–1 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| May 10, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Integral 7.0.0-dev-ff7e3b0c | TCEC Season 28 - Category 2 Playoff | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 10, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Clover 8.1.10 | TCEC Season 28 - Category 2 Playoff | French Defense: Winawer Variation, Positional Variation | |
| May 9, 2025 | Sapling 1.2.7 | ½–½ | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense | |
| May 9, 2025 | Reckless 0.8.0-dev-51148968 | 1–0 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | Pterodactyl Defense: Western, Rhamphorhynchus | |
| May 8, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Halogen 12.21.0 | TCEC Season 28 - Category 2 Playoff | Bogo-Indian Defense: Grünfeld Variation | |
| May 8, 2025 | Clarity 8.0.0 | 1–0 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense: Steiner Attack | |
| May 8, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Tucano 12.10 | TCEC Season 28 - Category 2 Playoff | Old Indian Defense: Normal Variation | |
| May 8, 2025 | PlentyChess 5.0.14 | 1–0 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | Sicilian Defense: Pin Variation, Koch Variation | |
| May 7, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Renegade 1.2.0 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense: Fianchetto Variation, Kavalek Defense | |
| Apr 27, 2025 | Heimdall 1.4.0-beta-b89cb959 | 1–0 | Prelude 31d8f5b7 | TCEC Season 28 - Category 2 Playoff | French Defense: Tarrasch Variation, Botvinnik Variation | |
| Apr 27, 2025 | Wasp 7.07 | 1–0 | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense: Sämisch Variation, Closed Variation | |
| Apr 27, 2025 | Prelude 31d8f5b7 | ½–½ | Heimdall 1.4.0-beta-b89cb959 | TCEC Season 28 - Category 2 Playoff | French Defense: Tarrasch Variation, Botvinnik Variation | |
| Apr 27, 2025 | Heimdall 1.4.0-beta-b89cb959 | ½–½ | Wasp 7.07 | TCEC Season 28 - Category 2 Playoff | King's Indian Defense: Sämisch Variation, Closed Variation | |
