| Jul 9, 2023 | Mikulas Hladky | 0–1 | Stefan Koper | Round 9: Mikulas Hladky - Stefan Koper | Modern Defense: Pseudo-Austrian Attack | |
| Jul 8, 2023 | Stefan Koper | 1–0 | Adam Rudlof | Round 8: Stefan Koper - Adam Rudlof | Benko Gambit Accepted: Pawn Return Variation | |
| Jul 17, 2022 | Milan Petras | ½–½ | Stefan Koper | Round 9: Milan Petras - Stefan Koper | Nimzo-Larsen Attack: Indian Variation | |
| Jul 16, 2022 | Stefan Koper | ½–½ | Jiri Kopecky | Round 8: Stefan Koper - Jiri Kopecky | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jul 15, 2022 | Vladislav Konvalinka | ½–½ | Stefan Koper | Round 7: Vladislav Konvalinka - Stefan Koper | Queen's Indian Defense: Fianchetto Variation, Traditional Line | |
| Jul 14, 2022 | Stefan Koper | 1–0 | Miroslav Mach | Round 6: Stefan Koper - Miroslav Mach | Slav Indian | |
| Jul 13, 2022 | Milos Gruber | ½–½ | Stefan Koper | Round 5: Milos Gruber - Stefan Koper | Modern Defense | |
| Jul 12, 2022 | Zdenek Plasek | 1–0 | Stefan Koper | Round 4: Zdenek Plasek - Stefan Koper | English Opening: King's English Variation, Reversed Sicilian | |
| Jul 11, 2022 | Stefan Koper | 1–0 | Jan Pokorny | Round 3: Stefan Koper - Jan Pokorny | Slav Indian | |
| Sep 28, 2021 | Jaroslav Pors | 0–1 | Stefan Koper | Round 9: Jaroslav Pors - Stefan Koper | Modern Defense | |
| Sep 28, 2021 | Stefan Koper | ½–½ | Pavel Jirovsky | Round 8: Stefan Koper - Pavel Jirovsky | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 28, 2021 | Stefan Koper | 0–1 | Matej Hrabusa | Round 6: Stefan Koper - Matej Hrabusa | Nimzo-Indian Defense: Leningrad Variation | |
| Sep 28, 2021 | Petr Lestina ml. | 0–1 | Stefan Koper | Round 5: Petr Lestina ml. - Stefan Koper | Queen's Pawn Game: Modern Defense | |
| Sep 28, 2021 | Lucie Jinova | 1–0 | Stefan Koper | Round 3: Lucie Jinova - Stefan Koper | Modern Defense: Standard Line | |
| Sep 28, 2021 | Stefan Koper | ½–½ | Petr Hollan | Round 2: Stefan Koper - Petr Hollan | Grünfeld Defense: Exchange Variation | |
| Sep 26, 2021 | Nathanael Poysti | ½–½ | Stefan Koper | Round 5: Nathanael Poysti - Stefan Koper | English Opening: Mikenas-Carls Variation | |
| Sep 26, 2021 | Stefan Koper | ½–½ | Radek Turner | Round 4: Stefan Koper - Radek Turner | Benko Gambit Accepted: Fully Accepted Variation | |
| Sep 25, 2021 | Pavel Sedlacek | 0–1 | Stefan Koper | Round 3: Pavel Sedlacek - Stefan Koper | Modern Defense | |
| Sep 25, 2021 | Stefan Koper | 0–1 | Daniel Zevenhuizen | Round 2: Ĺ tefan Koper - Daniel Zevenhuizen | Pterodactyl Defense: Queen Pterodactyl, Quiet Line | |
| Jul 11, 2021 | Petr Bulava | 1–0 | Stefan Koper | Round 9: Petr Bulava - Stefan Koper | Queen's Pawn Game: Modern Defense | |
| Jul 10, 2021 | Stefan Koper | 1–0 | Viktorie Buchtova | Round 8: Stefan Koper - Viktorie Buchtova | Queen's Gambit Declined: Exchange Variation | |
| Jul 9, 2021 | Ondrej Kijonka | ½–½ | Stefan Koper | Round 7: Ondrej Kijonka - Stefan Koper | Modern Defense | |
| Jul 8, 2021 | Stefan Koper | 0–1 | Jiri Novak | Round 6: Stefan Koper - Jiri Novak | Indian Defense: Normal Variation | |
| Jul 7, 2021 | Stefan Koper | 1–0 | Oliwia Czerwinska | Round 5: Stefan Koper - Oliwia Czerwinska | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 5, 2021 | Stefan Koper | 1–0 | Marian Kotas | Round 3: Stefan Koper - Marian Kotas | King's Indian Defense: Normal Variation, Standard Development | |
| Jul 5, 2021 | Bartolomej Buchta | 1–0 | Stefan Koper | Round 2: Bartolomej Buchta - Stefan Koper | Modern Defense: Gurgenidze Defense | |
