| Aug 15, 2022 | Isaac Chiu | 0–1 | Evgeny Postny | Round 1: Isaac Chiu - Evgeny Postny | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Jun 25, 2022 | John Burke | 1–0 | Isaac Chiu | Round 1: John Burke - Isaac Chiu | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 30, 2022 | Ellen Wang | 1–0 | Isaac Chiu | Round 9: Ellen Wang - Isaac Chiu | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 30, 2022 | Isaac Chiu | 0–1 | Carlos Antonio Hevia Alejano | Round 8: Isaac Chiu - Carlos Antonio Hevia Alejano | Zukertort Opening: Queenside Fianchetto Variation | |
| May 29, 2022 | Justin Lee | ½–½ | Isaac Chiu | Round 7: Justin Lee - Isaac Chiu | Nimzo-Indian Defense: Kmoch Variation | |
| May 29, 2022 | Isaac Chiu | 0–1 | Thomas Bartell | Round 6: Isaac Chiu - Thomas Bartell | Vienna Game: Vienna Gambit, Paulsen Attack | |
| May 28, 2022 | Hedinn Steingrimsson | 1–0 | Isaac Chiu | Round 5: Hedinn Steingrimsson - Isaac Chiu | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| May 28, 2022 | Sudarshan Sriniaiyer | 0–1 | Isaac Chiu | Round 4: Sudarshan Sriniaiyer - Isaac Chiu | Grünfeld Defense: Three Knights Variation, Hungarian Attack | |
| May 27, 2022 | Isaac Chiu | 1–0 | Terry Luo | Round 3: Isaac Chiu - Terry Luo | Sicilian Defense: Moscow Variation, Main Line | |
| May 27, 2022 | Daniel Girsh | 0–1 | Isaac Chiu | Round 2: Daniel Girsh - Isaac Chiu | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Jul 3, 2021 | Alexander Katz | ½–½ | Isaac Chiu | 49th Annual World Open | Scotch Game: Mieses Variation | |
| Jul 2, 2021 | Isaac Chiu | ½–½ | Roberto Alavarez | 49th Annual World Open | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Feb 15, 2021 | Tianqi Wang | 1–0 | Isaac Chiu | 1st Charlotte Masters - Round 6: Tianqi Wang - Isaac Chiu | Modern Defense: Standard Defense | |
| Feb 15, 2021 | Isaac Chiu | ½–½ | Doug Eckert | 1st Charlotte Masters - Round 5: Isaac Chiu - Doug Eckert | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Feb 14, 2021 | Joshua Posthuma | 1–0 | Isaac Chiu | 1st Charlotte Masters - Round 3: Joshua Posthuma - Isaac Chiu | Modern Defense: Averbakh System | |
| Feb 13, 2021 | Isaac Chiu | 1–0 | Naman Kumar | 1st Charlotte Masters - Round 2: Isaac Chiu - Naman Kumar | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Feb 13, 2021 | Abhimanyu Mishra | 1–0 | Isaac Chiu | 1st Charlotte Masters - Round 1: Abhimanyu Mishra - Isaac Chiu | Modern Defense: Averbakh System | |
| Dec 23, 2020 | Isaac Chiu | ½–½ | Isaac Tello Chavez | North American Junior Championship - Round 9: Isaac Chiu - Isaac Tello Chavez | Réti Opening | |
| Dec 22, 2020 | Justin Paul | 0–1 | Isaac Chiu | North American Junior Championship - Round 8: Justin Paul - Isaac Chiu | Modern Defense: Standard Defense | |
| Dec 21, 2020 | Anish Vivekananthan | 1–0 | Isaac Chiu | North American Junior Championship - Round 6: Anish Vivekananthan - Isaac Chiu | Anderssen's Opening | |
| Dec 20, 2020 | Joseph Truelson | ½–½ | Isaac Chiu | North American Junior Championship - Round 4: Joseph Truelson - Isaac Chiu | Zukertort Opening: Kingside Fianchetto | |
