| Oct 26, 2025 | Turner | ½–½ | Jaszkiwskyj | Round 5: Turner, Tim M - Jaszkiwskyj, Peter | Slav Defense: Czech Variation, Dutch Variation | |
| Oct 26, 2025 | Jaszkiwskyj | 0–1 | De Sousa Muachikape | Round 4: Jaszkiwskyj, Peter - De Sousa Muachikape, Jael | Queen's Gambit Declined: Ragozin Defense, Vienna Variation | |
| Oct 25, 2025 | Wainwright | ½–½ | Jaszkiwskyj | Round 3: Wainwright, Charlie - Jaszkiwskyj, Peter | Queen's Pawn Game: Accelerated London System | |
| Oct 25, 2025 | Jaszkiwskyj | 1–0 | Thompson | Round 2: Jaszkiwskyj, Peter - Thompson, Daniel | French Defense: Schlechter Variation | |
| Oct 24, 2025 | Daley | 0–1 | Jaszkiwskyj | Round 1: Daley, Mark - Jaszkiwskyj, Peter | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Apr 21, 2025 | Spence | 0–1 | Jaszkiwskyj | Round 7: Spence, David J - Jaszkiwskyj, Peter | ? | |
| Apr 20, 2025 | Jaszkiwskyj | 1–0 | Flynn | Round 6: Jaszkiwskyj, Peter - Flynn, David | Benko Gambit Accepted: Fully Accepted Variation | |
| Apr 20, 2025 | Moore | ½–½ | Jaszkiwskyj | Round 5: Moore, John C - Jaszkiwskyj, Peter | French Defense: Winawer Variation, Positional Variation | |
| Apr 19, 2025 | Jaszkiwskyj | 0–1 | Dewangan | Round 4: Jaszkiwskyj, Peter - Dewangan, Aayush | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Apr 19, 2025 | Ledger | ½–½ | Jaszkiwskyj | Round 3: Ledger, Stephen C - Jaszkiwskyj, Peter | Nimzo-Larsen Attack: Classical Variation | |
| Apr 18, 2025 | Jaszkiwskyj | 1–0 | Staples | Round 2: Jaszkiwskyj, Peter - Staples, Maurice J | Indian Defense: Budapest Defense, Rubinstein Variation | |
| Apr 18, 2025 | Eames | ½–½ | Jaszkiwskyj | Round 1: Eames, Robert S - Jaszkiwskyj, Peter | French Defense: Advance Variation, Paulsen Attack | |
| Jul 31, 2024 | Jaszkiwskyj | ½–½ | Brown | Round 3: Jaszkiwskyj, Peter - Brown, Alan M | Queen's Gambit Declined | |
| Jul 29, 2024 | Jaszkiwskyj | ½–½ | Henderson | Round 1: Jaszkiwskyj, Peter - Henderson, David | Queen's Gambit Declined: Tartakower Defense, Makogonov Exchange Variation | |
| Aug 4, 2024 | Jaszkiwskyj | 0–1 | Vleeshhouwer | Round 7: Jaszkiwskyj, Peter - Vleeshhouwer, Douglas | Slav Defense: Quiet Variation | |
| Aug 3, 2024 | Ledger | ½–½ | Jaszkiwskyj | Round 6: Ledger, Stephen C - Jaszkiwskyj, Peter | Queen's Pawn Game: Accelerated London System | |
| Aug 2, 2024 | Jaszkiwskyj | 1–0 | Watson | Round 5: Jaszkiwskyj, Peter - Watson, Simon | King's Indian Defense: Petrosian Variation | |
| Aug 1, 2024 | Giulian | 1–0 | Jaszkiwskyj | Round 4: Giulian, Rosemary A - Jaszkiwskyj, Peter | French Defense: Tarrasch Variation, Pawn Center Variation | |
| Jul 30, 2024 | Handley | 1–0 | Jaszkiwskyj | Round 2: Handley, Michael R - Jaszkiwskyj, Peter | Queen's Gambit Declined: Tartakower Defense | |
| Apr 18, 2022 | Jaszkiwskyj | ½–½ | Gibson | 2nd Easter 4NCL Congress | Benko Gambit Accepted: King Walk Variation | |
| Apr 18, 2022 | Ireland | 1–0 | Jaszkiwskyj | 2nd Easter 4NCL Congress | French Defense: Steiner Variation | |
| Apr 17, 2022 | Jaszkiwskyj | ½–½ | Skettos | 2nd Easter 4NCL Congress | Queen's Gambit Accepted: Showalter Variation | |
| Apr 17, 2022 | Mccumiskey | ½–½ | Jaszkiwskyj | 2nd Easter 4NCL Congress | Semi-Slav Defense | |
| Apr 16, 2022 | Jaszkiwskyj | 1–0 | Chan | 2nd Easter 4NCL Congress | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Apr 16, 2022 | Cox | ½–½ | Jaszkiwskyj | 2nd Easter 4NCL Congress | French Defense: Winawer Variation, Eingorn Variation | |
| Apr 15, 2022 | Jaszkiwskyj | 0–1 | Boswell | 2nd Easter 4NCL Congress | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| — | Jaszkiwskyj | 1–0 | Singhal | Round 1: Jaszkiwskyj, Peter - Singhal, Saket | Semi-Slav Defense: Anti-Moscow Gambit | |
| — | Jaszkiwskyj | 1–0 | Richards | Round 3: Jaszkiwskyj, Peter - Richards, Simon | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| — | Jaszkiwskyj | 1–0 | Brett | Round 5: Jaszkiwskyj, Peter - Brett, Andrew R | Queen's Gambit Declined: Traditional Variation | |
| — | Jaszkiwskyj | ½–½ | Neave | Round 7: Jaszkiwskyj, Peter - Neave, George | King's Indian Defense: Orthodox Variation | |
| — | Smith | 1–0 | Jaszkiwskyj | Round 2: Smith, J. R. - Jaszkiwskyj, Peter | French Defense: Tarrasch Variation, Pawn Center Variation | |
| — | Homer | 0–1 | Jaszkiwskyj | Round 4: Homer, Stephen J - Jaszkiwskyj, Peter | French Defense: Schlechter Variation | |
| — | Duncan | 1–0 | Jaszkiwskyj | Round 6: Duncan, Chris R - Jaszkiwskyj, Peter | French Defense: Schlechter Variation | |