| Jul 2, 2023 | Michael Adams | 0–1 | Peter Prohaszka | Round 9: Michael Adams - Peter Prohaszka | Ruy Lopez: Berlin Defense | |
| Jul 1, 2023 | Peter Prohaszka | 1–0 | Marco Materia | Round 8: Peter Prohaszka - Marco Materia | Zukertort Opening: Reversed Grünfeld | |
| Jun 30, 2023 | Kateryna Dolzhykova | 0–1 | Peter Prohaszka | Round 7: Kateryna Dolzhykova - Peter Prohaszka | Caro-Kann Defense: Breyer Variation | |
| Jun 29, 2023 | Peter Prohaszka | ½–½ | Moksh Amit Doshi | Round 6: Peter Prohaszka - Moksh Amit Doshi | Zukertort Opening: Reversed Grünfeld | |
| Jun 28, 2023 | Ashot Parvanyan | ½–½ | Peter Prohaszka | Round 5: Ashot Parvanyan - Peter Prohaszka | Caro-Kann Defense: Endgame Variation | |
| Jun 27, 2023 | Peter Prohaszka | 1–0 | Gulrukhbegim Tokhirjonova | Round 4: Peter Prohaszka - Gulrukhbegim Tokhirjonova | King's Indian Attack: Symmetrical Defense | |
| Jun 27, 2023 | Arthur Guo | 1–0 | Peter Prohaszka | Round 3: Arthur Guo - Peter Prohaszka | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 25, 2023 | Peter Prohaszka | 1–0 | Tristan Niermann | Round 2: Peter Prohaszka - Tristan Niermann | King's Indian Attack: Symmetrical Defense | |
| Jun 24, 2023 | Vladyslav Garsky | 0–1 | Peter Prohaszka | Round 1: Vladyslav Garsky - Peter Prohaszka | Caro-Kann Defense: Exchange Variation | |
| May 27, 2022 | Vasilios Kotronias | ½–½ | Peter Prohaszka | Round 9: Vasilios Kotronias - Peter Prohaszka | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 26, 2022 | Peter Prohaszka | ½–½ | Leon Luke Mendonca | Round 8: Peter Prohaszka - Leon Luke Mendonca | King's Indian Attack | |
| May 25, 2022 | Frederik Svane | 1–0 | Peter Prohaszka | Round 7: Frederik Svane - Peter Prohaszka | Caro-Kann Defense: Exchange Variation | |
| May 24, 2022 | Peter Prohaszka | 1–0 | Tom-Frederic Woelk | Round 6: Peter Prohaszka - Tom-Frederic Woelk | Catalan Opening: Open Defense | |
| May 24, 2022 | Malte Colpe | * | Peter Prohaszka | Round 5: Malte Colpe - Peter Prohaszka | Benoni Defense: Fianchetto Variation | |
| May 23, 2022 | Peter Prohaszka | 1–0 | Jonathan Carlstedt | Round 4: Peter Prohaszka - Jonathan Carlstedt | Benoni Defense: Fianchetto Variation | |
| May 22, 2022 | Lawrence Trent | 0–1 | Peter Prohaszka | Round 3: Lawrence Trent - Peter Prohaszka | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 21, 2022 | Peter Prohaszka | ½–½ | Ruben Gideon Köllner | Round 2: Peter Prohaszka - Ruben Gideon Köllner | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 21, 2022 | Georgios Souleidis | ½–½ | Peter Prohaszka | Round 1: Georgios Souleidis - Peter Prohaszka | Caro-Kann Defense: Advance Variation, Tal Variation | |
| May 31, 2021 | Peter Prohaszka | 1–0 | Mark Paragua | Round 9: Peter Prohaszka - Mark Paragua | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 31, 2021 | Daniel Fernandez | ½–½ | Peter Prohaszka | Round 8: Daniel Fernandez - Peter Prohaszka | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| May 30, 2021 | Peter Prohaszka | ½–½ | Tanguy Ringoir | Round 7: Peter Prohaszka - Tanguy Ringoir | London System | |
| May 30, 2021 | Arthur Guo | ½–½ | Peter Prohaszka | Round 6: Arthur Guo - Peter Prohaszka | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| May 29, 2021 | Peter Prohaszka | 1–0 | Kassa Korley | Round 5: Peter Prohaszka - Kassa Korley | Tarrasch Defense: Classical Variation, Réti Variation | |
| May 29, 2021 | Christopher Yoo | 1–0 | Peter Prohaszka | Round 4: Christopher Yoo - Peter Prohaszka | Queen's Gambit Declined: Three Knights Variation | |
| May 28, 2021 | Peter Prohaszka | 1–0 | Tianqi Wang | Round 3: Peter Prohaszka - Tianqi Wang | Benoni Defense: Knight's Tour Variation | |
| May 28, 2021 | Gauri Shankar | 0–1 | Peter Prohaszka | Round 2: Gauri Shankar - Peter Prohaszka | Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line | |
| May 27, 2021 | Sahil Sinha | 0–1 | Peter Prohaszka | Round 1: Sahil Sinha - Peter Prohaszka | Queen's Gambit Declined: Three Knights Variation | |
| Mar 21, 2021 | Peter Prohaszka | 1–0 | Kevin Wang | Charlotte GM Norm Invitational - Round 9: Peter Prohaszka - Kevin Wang | Catalan Opening: Closed | |
| Mar 21, 2021 | Sahil Sinha | 0–1 | Peter Prohaszka | Charlotte GM Norm Invitational - Round 8: Sahil Sinha - Peter Prohaszka | Queen's Gambit Declined: Three Knights Variation | |
| Mar 20, 2021 | Peter Prohaszka | 0–1 | Abhimanyu Mishra | Charlotte GM Norm Invitational - Round 7: Peter Prohaszka - Abhimanyu Mishra | Slav Defense: Breyer Variation | |
| Mar 20, 2021 | Tanguy Ringoir | ½–½ | Peter Prohaszka | Charlotte GM Norm Invitational - Round 6: Tanguy Ringoir - Peter Prohaszka | Slav Defense: Exchange Variation, Symmetrical Line | |
| Mar 19, 2021 | Peter Prohaszka | ½–½ | Vladimir Belous | Charlotte GM Norm Invitational - Round 5: Peter Prohaszka - Vladimir Belous | Neo-Grünfeld Defense: Ultra-Delayed Exchange Variation | |
| Mar 19, 2021 | Carissa Yip | 1–0 | Peter Prohaszka | Charlotte GM Norm Invitational - Round 4: Carissa Yip - Peter Prohaszka | Caro-Kann Defense: Advance Variation, Short Variation | |
| Mar 18, 2021 | Peter Prohaszka | 1–0 | Aleksandr Ostrovskiy | Charlotte GM Norm Invitational - Round 3: Peter Prohaszka - Aleksandr Ostrovskiy | Slav Defense: Exchange Variation | |
| Mar 18, 2021 | Craig Hilby | ½–½ | Peter Prohaszka | Charlotte GM Norm Invitational - Round 2: Craig Hilby - Peter Prohaszka | Slav Defense: Czech Variation, Krause Attack | |
| Mar 17, 2021 | Peter Prohaszka | ½–½ | Gauri Shankar | Charlotte GM Norm Invitational - Round 1: Peter Prohaszka - Gauri Shankar | Indian Defense: London System | |