| Jun 30, 2026 | Kaplan | ½–½ | Diao | Round 9: Kaplan, Avi Harrison - Diao, Matthew Guo | Slav Defense: Modern Line | |
| Jun 29, 2026 | Lee | 1–0 | Kaplan | Round 8: Lee, Alice - Kaplan, Avi Harrison | Benoni Defense: Pawn Storm Variation | |
| Jun 28, 2026 | Kaplan | 1–0 | Moor | Round 7: Kaplan, Avi Harrison - Moor, Nathaniel Philip | Grünfeld Defense: Exchange Variation | |
| Jun 26, 2026 | Kaplan | ½–½ | Bhoopathi | Round 3: Kaplan, Avi Harrison - Bhoopathi, Rishith | Slav Defense: Modern Line | |
| Jun 26, 2026 | Corrales Jimenez | 1–0 | Kaplan | Round 2: Corrales Jimenez, Fidel - Kaplan, Avi Harrison | Sicilian Defense: Godiva Variation | |
| Jan 19, 2026 | Fus | ½–½ | Kaplan | Round 9: Fus, Jakub - Kaplan, Avi Harrison | Sicilian Defense: Moscow Variation | |
| Jan 19, 2026 | Kaplan | 1–0 | Hebbar | Round 8: Kaplan, Avi Harrison - Hebbar, Eshaan | King's Indian Defense: Makogonov Variation | |
| Jan 18, 2026 | Lin | 1–0 | Kaplan | Round 6: Lin, Bryan Enming - Kaplan, Avi Harrison | Sicilian Defense: Godiva Variation | |
| Jan 17, 2026 | Kaplan | ½–½ | Koustav Chatterjee | Round 5: Kaplan, Avi Harrison - Koustav Chatterjee | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 17, 2026 | Atwell | 1–0 | Kaplan | Round 4: Atwell, Rose - Kaplan, Avi Harrison | Sicilian Defense: Closed | |
| Jan 16, 2026 | Kaplan | 0–1 | De Silva | Round 3: Kaplan, Avi Harrison - De Silva, L M S T | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 15, 2026 | Schitco | ½–½ | Kaplan | Round 2: Schitco, Ivan - Kaplan, Avi Harrison | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 14, 2026 | Kaplan | 0–1 | Ludwig | Round 1: Kaplan, Avi Harrison - Ludwig, John | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jan 14, 2026 | Kaplan | 0–1 | Lenderman | Round 7: Kaplan, Avi Harrison - Lenderman, Aleksandr | Caro-Kann Defense: Exchange Variation | |
| Dec 27, 2025 | Sonis | 1–0 | Kaplan | Round 3: Sonis, Francesco - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Dec 27, 2025 | Kaplan | ½–½ | Girel | Round 2: Kaplan, Avi Harrison - Girel, Joseph | Nimzo-Larsen Attack: Classical Variation | |
| Nov 30, 2025 | Kaplan | 1–0 | Brodsky | Round 9: Kaplan, Avi Harrison - Brodsky, David | Nimzo-Larsen Attack: Classical Variation | |
| Nov 30, 2025 | Putnam | 0–1 | Kaplan | Round 8: Putnam, Liam - Kaplan, Avi Harrison | Benoni Defense: Classical Variation, New York Variation | |
| Nov 27, 2025 | Bok | 1–0 | Kaplan | Round 3: Bok, Benjamin - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Nov 27, 2025 | Kaplan | ½–½ | Vazquez | Round 2: Kaplan, Avi Harrison - Vazquez, Guillermo | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 12, 2025 | Plat | ½–½ | Kaplan | Round 8: Plat, Vojtech - Kaplan, Avi Harrison | Trompowsky Attack | |
| Jul 12, 2025 | Kaplan | 1–0 | Cruz | Round 7: Kaplan, Avi Harrison - Cruz, Cristhian | Nimzo-Larsen Attack: Classical Variation | |
| Jul 11, 2025 | Nagy | 1–0 | Kaplan | Round 6: Nagy, Gabor - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Jul 10, 2025 | Kaplan | 0–1 | Stearman | Round 5: Kaplan, Avi Harrison - Stearman, Josiah | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 10, 2025 | Sun | ½–½ | Kaplan | Round 4: Sun, Ryan - Kaplan, Avi Harrison | English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | |
| Jul 9, 2025 | Kaplan | 1–0 | Katz | Round 3: Kaplan, Avi Harrison - Katz, Alexander | Zukertort Opening: Nimzo-Larsen Variation | |
| Jul 9, 2025 | Sheehan | 0–1 | Kaplan | Round 2: Sheehan, Ethan - Kaplan, Avi Harrison | Benoni Defense: Benoni-Indian Defense, Kingside Move Order | |
| Jul 8, 2025 | Kaplan | 1–0 | Gauri | Round 1: Kaplan, Avi Harrison - Gauri, Shankar | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Gurgenidze Variation | |
| Jul 7, 2025 | Kaplan | ½–½ | Lin | Round 9: Kaplan, Avi Harrison - Lin, Bryan Enming | Ruy Lopez: Closed, Flohr System | |
| Jul 5, 2025 | Kaplan | * | Shangin | 53rd Annual World Open Chess Tournament | ? | |
| Apr 27, 2025 | Kaplan | ½–½ | Rao | 2025 Illinois Youth Invitiational | Queen's Pawn Game: Veresov Attack, Classical Defense | |
| Apr 27, 2025 | Pjevic | 0–1 | Kaplan | 2025 Illinois Youth Invitiational | Benoni Defense: Fianchetto Variation | |
| Apr 26, 2025 | Kaplan | 1–0 | Feng | 2025 Illinois Youth Invitiational | Sicilian Defense: Mengarini Variation | |
| Apr 26, 2025 | Zurawski | 0–1 | Kaplan | 2025 Illinois Youth Invitiational | Sicilian Defense: Mengarini Variation | |
| Apr 20, 2025 | Kaplan | 0–1 | Matros | Round 9: Kaplan, Avi Harrison - Matros, Alexander | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 20, 2025 | Crump. Alexander J | ½–½ | Kaplan | Round 8: Crump. Alexander J - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Apr 19, 2025 | Kaplan | 0–1 | Macovei | Round 7: Kaplan, Avi Harrison - Macovei, Andrei | Zukertort Opening: Nimzo-Larsen Variation | |
| Apr 19, 2025 | Yang | 1–0 | Kaplan | Round 6: Yang, Daniel - Kaplan, Avi Harrison | Benoni Defense: Knight's Tour Variation | |
| Apr 18, 2025 | Kaplan | ½–½ | Benen | Round 5: Kaplan, Avi Harrison - Benen, Samson | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Apr 18, 2025 | Vinod | 0–1 | Kaplan | Round 4: Vinod, Aarush - Kaplan, Avi Harrison | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Apr 17, 2025 | Kaplan | 1–0 | Petenyi | Round 3: Kaplan, Avi Harrison - Petenyi, Tamas | Mexican Defense | |
| Apr 17, 2025 | Yang | 0–1 | Kaplan | Round 2: Yang, Qindong - Kaplan, Avi Harrison | Benoni Defense: Taimanov Variation | |
| Apr 16, 2025 | Kaplan | 1–0 | Das | Round 1: Kaplan, Avi Harrison - Das, Aditeya | Zukertort Opening: Nimzo-Larsen Variation | |
| Sep 2, 2024 | Kaplan | 1–0 | Platnick | 2024 Illinois Open | Clemenz Opening | |
| Sep 2, 2024 | Kogen | 1–0 | Kaplan | 2024 Illinois Open | Benoni Defense: Benoni-Indian Defense, Kingside Move Order | |
| Sep 1, 2024 | Malladi | 0–1 | Kaplan | 2024 Illinois Open | Sicilian Defense: Closed | |
| Feb 25, 2024 | Ladan | ½–½ | Kaplan | Round 9: Ladan, Nicholas - Kaplan, Avi Harrison | Dutch Defense | |
| Feb 25, 2024 | Kaplan | 0–1 | Nyzhnyk | Round 8: Kaplan, Avi Harrison - Nyzhnyk, Illya | King's Indian Defense: Kramer Variation | |
| Feb 24, 2024 | Williams | 1–0 | Kaplan | Round 7: Williams, Justus - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Feb 24, 2024 | Kaplan | 0–1 | Raja Harshit | Round 6: Kaplan, Avi Harrison - Raja Harshit | Nimzo-Indian Defense: Kmoch Variation | |
| Feb 24, 2024 | Kaplan | ½–½ | Ghazaryan | Round 5: Kaplan, Avi Harrison - Ghazaryan, Raffi | Zukertort Opening: Nimzo-Larsen Variation | |
| Feb 23, 2024 | Eckert | ½–½ | Kaplan | Round 4: Eckert, Doug - Kaplan, Avi Harrison | English Opening: Symmetrical Variation | |
| Feb 22, 2024 | Kaplan | 0–1 | Dhyana Patel | Round 3: Kaplan, Avi Harrison - Dhyana Patel | Grünfeld Defense: Exchange Variation | |
| Feb 22, 2024 | Cervantes Landeiro | 1–0 | Kaplan | Round 2: Cervantes Landeiro, Thalia - Kaplan, Avi Harrison | Benoni Defense: Classical Variation, Czerniak Defense | |
| Feb 21, 2024 | Kaplan | 1–0 | Caglar | Round 1: Avi Harrison Kaplan - Sila Caglar | Zukertort Opening: Nimzo-Larsen Variation | |
| Dec 26, 2024 | Kaplan | 0–1 | Ali Marandi | Round 2: Kaplan, Avi Harrison - Ali Marandi, Cemil Can | Nimzo-Larsen Attack: Classical Variation | |
| Jul 4, 2024 | Matviishen | * | Kaplan | 52nd Annual World Open | ? | |
| Jul 1, 2024 | Denys K Shmelov | 0–1 | Kaplan | 17th Annual Philadelphia International | Benoni Defense: Classical Variation, Czerniak Defense | |
| Jun 30, 2024 | Atanasov | * | Kaplan | 17th Annual Philadelphia International | ? | |
| Jun 29, 2024 | Kaplan | 0–1 | Emilio Cardova | 17th Annual Philadelphia International | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 27, 2024 | Gabriel Battaglini Flom | * | Kaplan | 17th Annual Philadelphia International | ? | |