| Jun 22, 2026 | Popov | 1–0 | Walker | Round 5: Popov, Constantine - Walker, Otto | Caro-Kann Defense: Accelerated Panov Attack | |
| Jun 22, 2026 | Joshua Mckinlay | 0–1 | Popov | Round 4: Joshua Mckinlay - Popov, Constantine | Modern Defense | |
| Jun 22, 2026 | Popov | 0–1 | Sricharan Maddali | Round 3: Popov, Constantine - Sricharan Maddali | Scotch Game: Classical Variation, Intermezzo Variation | |
| Jun 22, 2026 | Gandhi | 1–0 | Popov | Round 2: Gandhi, Krish - Popov, Constantine | Modern Defense | |
| Jun 22, 2026 | Popov | 1–0 | Anthony Rutland | Round 1: Popov, Constantine - Anthony Rutland | Scotch Game | |
| Oct 12, 2025 | Popov | * | Siemon Beketov | Round 9: Popov, Constantine - Siemon Beketov | ? | |
| Oct 12, 2025 | Uzdin | * | Popov | Round 8: Uzdin, Rene - Popov, Constantine | ? | |
| Oct 12, 2025 | Popov | * | Yousuf Wajahat Syed | Round 7: Popov, Constantine - Yousuf Wajahat Syed | ? | |
| Oct 12, 2025 | Fowler | * | Popov | Round 6: Fowler, Robert A - Popov, Constantine | ? | |
| Oct 11, 2025 | Popov | * | Ishita Padiyar | Round 5: Popov, Constantine - Ishita Padiyar | ? | |
| Oct 11, 2025 | Lankapura | * | Popov | Round 4: Lankapura, Tashil Sethika - Popov, Constantine | ? | |
| Oct 11, 2025 | Popov | 0–1 | Zhang | Round 3: Popov, Constantine - Zhang, William | Sicilian Defense: Alapin Variation | |
| Oct 11, 2025 | Yu | * | Popov | Round 2: Yu, Andrew - Popov, Constantine | ? | |
| Oct 11, 2025 | Popov | ½–½ | Pitel | Round 1: Popov, Constantine - Pitel, Dominik | Sicilian Defense: Alapin Variation | |
| Sep 22, 2024 | Popov | 1–0 | Bekakhmet | 2024 UK Chess Challenge Terafinal Challengers U8 | Sicilian Defense: Smith-Morra Gambit Declined, Center Formation | |
| Sep 22, 2024 | Popov | 0–1 | Feng | 2024 UK Chess Challenge Terafinal Challengers U8 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Sep 22, 2024 | Sennaroglu | 1–0 | Popov | 2024 UK Chess Challenge Terafinal Challengers U8 | Modern Defense: Modern Pterodactyl | |
| Sep 22, 2024 | Gerko | 1–0 | Popov | 2024 UK Chess Challenge Terafinal Challengers U8 | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Sep 21, 2024 | Kapitanski | ½–½ | Popov | 2024 UK Chess Challenge Terafinal Challengers U8 | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Sep 21, 2024 | Astolfi | 1–0 | Popov | 2024 UK Chess Challenge Terafinal Challengers U8 | Sicilian Defense: Hyperaccelerated Pterodactyl | |
| Sep 21, 2024 | Mao | 0–1 | Popov | 2024 UK Chess Challenge Terafinal Challengers U8 | Modern Defense: Modern Pterodactyl | |
| Jul 28, 2024 | Prabhakaran | 1–0 | Popov | Round 9: Prabhakaran, Anvikkashri - Popov, Constantine | Semi-Slav Defense: Accelerated Move Order | |
| Jul 25, 2024 | Popov | 0–1 | Xiong | Round 8: Popov, Constantine - Xiong, Yichen | French Defense: Two Knights Variation | |
| Jul 25, 2024 | Lily Eru | 0–1 | Popov | Round 7: Lily Eru - Popov, Constantine | King's Knight Opening: Normal Variation | |
| Jul 25, 2024 | Popov | 0–1 | Qin | Round 6: Popov, Constantine - Qin, Charlie | Three Knights Opening | |
| Jul 25, 2024 | Carter | 0–1 | Popov | Round 5: Carter, Benjamin - Popov, Constantine | Italian Game: Classical Variation, Greco Gambit, Traditional Line | |
| Jul 25, 2024 | Popov | 0–1 | Pradhan | Round 4: Popov, Constantine - Pradhan, Ayan | French Defense: La Bourdonnais Variation | |
| Jul 25, 2024 | Tan | ½–½ | Popov | Round 3: Tan, Austin - Popov, Constantine | Italian Game: Giuoco Piano | |
| Jul 25, 2024 | Popov | ½–½ | Ansh Sharma | Round 2: Popov, Constantine - Ansh Sharma | Scotch Game: Classical Variation | |
| Jul 25, 2024 | Chotai | 1–0 | Popov | Round 1: Chotai, Rishi - Popov, Constantine | Scotch Game: Haxo Gambit | |
| Jul 25, 2024 | Popov | 0–1 | Catabay | Round 5: Popov, Constantine - Catabay, Rezin C | French Defense: Two Knights Variation | |
| Jul 24, 2024 | Flanagan | 1–0 | Popov | Round 4: Flanagan, Dylan - Popov, Constantine | Modern Defense: Standard Defense | |
| Jul 24, 2024 | Popov | 0–1 | Yip | Round 3: Popov, Constantine - Yip, Atticus | Scotch Game: Classical Variation | |
| Jul 23, 2024 | Singh | 1–0 | Popov | Round 2: Singh, Adamjeet - Popov, Constantine | Italian Game: Paris Defense | |
| Jul 23, 2024 | Popov | 0–1 | Bhattacharjee Krish | Round 1: Popov, Constantine - Bhattacharjee Krish | King's Gambit Accepted: Muzio Gambit, Wild Muzio Gambit | |
