| Jun 28, 2026 | Wedge | 1–0 | Bartlett | Round 4: Wedge, David C - Bartlett, William | Petrov's Defense: Classical Attack, Marshall Variation | |
| Jun 27, 2026 | Bartlett | 0–1 | Ofeni | Round 3: Bartlett, William - Ofeni, Joel | Queen's Gambit Declined | |
| Jun 27, 2026 | Hayes | 0–1 | Bartlett | Round 2: Hayes, Ian - Bartlett, William | Queen's Gambit Declined: Harrwitz Attack | |
| Jun 26, 2026 | Bartlett | * | Lee | Round 1: Bartlett, William - Lee, James | ? | |
| Jul 31, 2024 | Bartlett | 0–1 | Katukuri | Round 4: Bartlett, William - Katukuri, Aarav | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Jul 29, 2024 | Bartlett | 0–1 | Wilde | Round 2: Bartlett, William - Wilde, Grace | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Jul 28, 2024 | James Bottomley | 0–1 | Bartlett | Round 1: James Bottomley - Bartlett, William | Petrov's Defense: Three Knights Game | |
| Jul 27, 2024 | Bartlett | ½–½ | Suresh | Round 9: Bartlett, William - Suresh, Karun | Queen's Gambit Declined: Ragozin Defense | |
| Jul 27, 2024 | Zhestilevskii | 1–0 | Bartlett | Round 8: Zhestilevskii, Stepan - Bartlett, William | Petrov's Defense: Classical Attack, Marshall Variation | |
| Jul 27, 2024 | Bartlett | 0–1 | Singh | Round 7: Bartlett, William - Singh, Adamjeet | King's Indian Defense: Normal Variation, Standard Development | |
| Jul 26, 2024 | Bartlett | 0–1 | Lin | Round 6: Bartlett, William - Lin, William | King's Indian Defense: Petrosian Variation, Normal Defense | |
| Jul 26, 2024 | Sriram | ½–½ | Bartlett | Round 5: Sriram, Gautam - Bartlett, William | Petrov's Defense: Three Knights Game | |
| Jul 26, 2024 | Prabhakaran | 0–1 | Bartlett | Round 3: Prabhakaran, Anvikkashri - Bartlett, William | Queen's Gambit Declined: Three Knights Variation | |
| Jul 26, 2024 | Bartlett | 1–0 | Carter | Round 2: Bartlett, William - Carter, Benjamin | Queen's Gambit Declined: Modern Variation | |
| Jul 26, 2024 | Ethan Wake | 0–1 | Bartlett | Round 1: Ethan Wake - Bartlett, William | Mieses Opening | |
| Jul 21, 2024 | Bartlett | 0–1 | Lishoy Gengis Paratazham | Round 4: Bartlett, William - Lishoy Gengis Paratazham, Dildarav | Rat Defense: English Rat | |
| Aug 2, 2024 | Bartlett | 0–1 | Maitret | Round 6: Bartlett, William - Maitret, Victor | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Aug 1, 2024 | Suresh | 0–1 | Bartlett | Round 5: Suresh, Karun - Bartlett, William | Petrov's Defense | |
| Jul 30, 2024 | Sobolevski | 0–1 | Bartlett | Round 3: Sobolevski, Damien - Bartlett, William | Rapport-Jobava System | |
| Sep 10, 2023 | Bartlett | 1–0 | Hu | 2023 UK Chess Challenge Terafinal Challengers U8 | King's Indian Defense: Normal Variation, Rare Defenses | |
| Sep 10, 2023 | Bartlett | 0–1 | Tamilselvan | 2023 UK Chess Challenge Terafinal Challengers U8 | Englund Gambit: Hartlaub-Charlick Gambit | |
| Sep 10, 2023 | Chauhan | 1–0 | Bartlett | 2023 UK Chess Challenge Terafinal Challengers U8 | Queen's Pawn Game: London System | |
| Sep 10, 2023 | Sobolevski | 1–0 | Bartlett | 2023 UK Chess Challenge Terafinal Challengers U8 | Queen's Pawn Game: Accelerated London System | |
| Sep 9, 2023 | Bartlett | ½–½ | Hu | 2023 UK Chess Challenge Terafinal Challengers U8 | French Defense: Classical Variation, Normal Variation | |
| Sep 9, 2023 | Bartlett | 1–0 | Singh | 2023 UK Chess Challenge Terafinal Challengers U8 | Slav Defense: Exchange Variation | |
| Sep 9, 2023 | Bartlett | 1–0 | Zheng | 2023 UK Chess Challenge Terafinal Challengers U8 | Tarrasch Defense: Symmetrical Variation | |
| Sep 9, 2023 | Nassa | 0–1 | Bartlett | 2023 UK Chess Challenge Terafinal Challengers U8 | Petrov's Defense | |
| Sep 9, 2023 | Katukuri | 1–0 | Bartlett | 2023 UK Chess Challenge Terafinal Challengers U8 | Petrov's Defense: French Attack | |
| — | Bartlett | 1–0 | Rohan Hickey | Round 1: Bartlett, William - Rohan Hickey | Indian Defense: Normal Variation | |
| — | Bartlett | 1–0 | Gomez | Round 3: Bartlett, William - Gomez, Magnus | Slav Defense: Three Knights Variation | |
| — | Bartlett | 1–0 | Zheng | Round 5: Bartlett, William - Zheng, Lucas | Nimzo-Indian Defense: Classical Variation | |
| — | Bartlett | 1–0 | Bhaduri | Round 7: Bartlett, William - Bhaduri, Aviraj | Kangaroo Defense: Keres Defense, Transpositional Variation | |
| — | Bartlett | 0–1 | Sennaroglu | Round 8: Bartlett, William - Sennaroglu, Djan | Queen's Gambit Declined: Cambridge Springs Defense, Capablanca Variation | |
| — | Bartlett | 1–0 | Dobryanskyy | Round 2: Bartlett, William - Dobryanskyy, Artur | Slav Defense: Modern Line | |
| — | Bartlett | 1–0 | Mulukutla | Round 4: Bartlett, William - Mulukutla, Ayaansh | Semi-Slav Defense | |
| — | Bartlett | ½–½ | Gunarathne | Round 5: Bartlett, William - Gunarathne, Miheli | Queen's Gambit Declined: Modern Variation | |
| — | Lin | ½–½ | Bartlett | Round 2: Lin, William - Bartlett, William | Petrov's Defense: Cozio Attack | |
| — | Gandhi | 1–0 | Bartlett | Round 4: Gandhi, Krish - Bartlett, William | Petrov's Defense: Three Knights Game | |
| — | Krishna | ½–½ | Bartlett | Round 6: Krishna, Vedansh - Bartlett, William | Queen's Gambit Declined: Exchange Variation | |
| — | Xiong | 1–0 | Bartlett | Round 9: Xiong, Yichen - Bartlett, William | Queen's Pawn Game: London System | |
| — | Sennaroglu | 1–0 | Bartlett | Round 1: Sennaroglu, Djan - Bartlett, William | Petrov's Defense: Modern Attack, Center Variation | |
| — | Talluri | ½–½ | Bartlett | Round 3: Talluri, Vibhav - Bartlett, William | Petrov's Defense: Three Knights Game | |
| — | Lu | ½–½ | Bartlett | Round 6: Lu, Mobai - Bartlett, William | Queen's Gambit Declined: Modern Variation, Knight Defense | |
