| Apr 6, 2026 | Vaddhireddy | ½–½ | Cook | Four Nations Chess League Easter Congress 2026 - Open | Catalan Opening: Closed | |
| Apr 6, 2026 | Cook | 0–1 | Davies | Four Nations Chess League Easter Congress 2026 - Open | Pirc Defense | |
| Apr 5, 2026 | Sowray | ½–½ | Cook | Four Nations Chess League Easter Congress 2026 - Open | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Apr 4, 2026 | Cook | 1–0 | Sheikh | Four Nations Chess League Easter Congress 2026 - Open | Sicilian Defense: French Variation, Westerinen Attack | |
| Apr 3, 2026 | Sooraj M R | 1–0 | Cook | Four Nations Chess League Easter Congress 2026 - Open | Italian Game: Classical Variation, Greco Gambit, Modern Line | |
| Mar 15, 2026 | Cook | ½–½ | Calvert | Round 11: Cook, Philip - Calvert, George | French Defense: Steiner Variation | |
| Mar 15, 2026 | McCarthy | ½–½ | Cook | Round 10: McCarthy, Kevin C - Cook, Philip | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Mar 15, 2026 | Nasiri | 1–0 | Cook | Round 9: Nasiri, Fahim - Cook, Philip | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Mar 15, 2026 | Cook | 1–0 | Patel | Round 8: Cook, Philip - Patel, Keatan | English Opening: Symmetrical Variation, Botvinnik System | |
| Mar 15, 2026 | Cook | 0–1 | Linton | Round 7: Cook, Philip - Linton, Alexander | Sicilian Defense: French Variation, Westerinen Attack | |
| Mar 14, 2026 | Akintola | 0–1 | Cook | Round 6: Akintola, Akintayo - Cook, Philip | English Opening: Symmetrical Variation, Anti-Benoni Variation, Geller Variation | |
| Mar 14, 2026 | Cook | 0–1 | Solanki | Round 5: Cook, Philip - Solanki, Daiwik | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| Mar 14, 2026 | Banerjee | 1–0 | Cook | Round 4: Banerjee, Supratit - Cook, Philip | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Mar 14, 2026 | Cook | 1–0 | Zhu | Round 3: Cook, Philip - Zhu, Richard | Caro-Kann Defense: Panov Attack | |
| Mar 14, 2026 | Ferris | ½–½ | Cook | Round 2: Ferris, Oliver - Cook, Philip | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Mar 14, 2026 | Cook | 1–0 | Redmond | Round 1: Cook, Philip - Redmond, Marshall | Vienna Game: Max Lange Defense | |
| Apr 21, 2025 | Cook | ½–½ | Li | Round 7: Cook, Philip - Li, Reya | Scotch Game: Potter Variation | |
| Apr 21, 2025 | Shivakumar | ½–½ | Cook | Round 6: Shivakumar, Akshath - Cook, Philip | Benko Gambit Accepted: Fully Accepted Variation | |
| Apr 20, 2025 | Cook | 0–1 | Baer | Round 5: Cook, Philip - Baer, Bruce L | Modern Defense | |
| Apr 20, 2025 | Burton | 1–0 | Cook | Round 4: Burton, Sean - Cook, Philip | Sicilian Defense: French Variation, Westerinen Attack | |
| Apr 19, 2025 | Cook | 0–1 | Chan | Round 3: Cook, Philip - Chan, Sheng Liang Bernard | Sicilian Defense: Modern Variations | |
| Apr 18, 2025 | Sahoo | 0–1 | Cook | Round 1: Sahoo, Shivam - Cook, Philip | Benko Gambit Accepted: Fully Accepted Variation | |
| Jan 19, 2025 | Cook | ½–½ | Nakara Husain | 32nd 4NCL Congress | Scotch Game: Mieses Variation | |
| Jan 19, 2025 | Hebden | * | Cook | 32nd 4NCL Congress | ? | |
| Jan 18, 2025 | Cook | 1–0 | Mikalajunas | 32nd 4NCL Congress | Caro-Kann Defense: Exchange Variation | |
| Jan 18, 2025 | Pitel | 0–1 | Cook | 32nd 4NCL Congress | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| — | Cook | ½–½ | Regan | Round 2: Cook, Philip - Regan, Natasha K | Scotch Game: Mieses Variation | |
| — | Cook | ½–½ | Mason | Round 4: Cook, Philip - Mason, Donald J | Scotch Game: Schmidt Variation | |
| — | Cook | 1–0 | Smith | Round 6: Cook, Philip - Smith, J. R. | French Defense: Advance Variation, Euwe Variation | |
| — | Farrell | 0–1 | Cook | Round 1: Farrell, Neil - Cook, Philip | Benko Gambit Accepted: Modern Variation | |
| — | Baker | 1–0 | Cook | Round 3: Baker, Chris W - Cook, Philip | Sicilian Defense: French Variation | |
| — | Minnican | 0–1 | Cook | Round 5: Minnican, Alan - Cook, Philip | Indian Defense: Spielmann-Indian | |
| — | Okike | ½–½ | Cook | Round 7: Okike, David - Cook, Philip | Sicilian Defense: Kan Variation, Polugaevsky Variation | |