| Jul 5, 2023 | Jorden Van Foreest | ½–½ | Sipke Ernst | Quarterfinals | Game 2: Jorden Van Foreest - Sipke Ernst | Scotch Game: Benima Defense | |
| Jul 4, 2023 | Sipke Ernst | 0–1 | Jorden Van Foreest | Quarterfinals | Game 1: Sipke Ernst - Jorden Van Foreest | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 3, 2023 | Sipke Ernst | 1–0 | Dimitri Reinderman | Round of 16 | Game 2: Sipke Ernst - Dimitri Reinderman | Modern Defense: Averbakh System | |
| Jul 2, 2023 | Dimitri Reinderman | 0–1 | Sipke Ernst | Round of 16 | Game 1: Dimitri Reinderman - Sipke Ernst | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Dec 22, 2022 | Lucas Van Foreest | ½–½ | Sipke Ernst | Round 1.2: Lucas Van Foreest - Sipke Ernst | Benoni Defense: Fianchetto Variation | |
| Dec 21, 2022 | Sipke Ernst | ½–½ | Lucas Van Foreest | Round 1.1: Sipke Ernst - Lucas Van Foreest | King's Indian Attack | |
| Oct 22, 2022 | Thomas Beerdsen | 1–0 | Sipke Ernst | Round 9: Thomas Beerdsen - Sipke Ernst | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 21, 2022 | Sipke Ernst | ½–½ | Nick Maatman | Round 8: Sipke Ernst - Nick Maatman | Caro-Kann Defense: Endgame Offer | |
| Oct 20, 2022 | Eelke De Boer | 0–1 | Sipke Ernst | Round 7: Eelke De Boer - Sipke Ernst | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 19, 2022 | Sipke Ernst | 1–0 | Andries Mellema | Round 6: Sipke Ernst - Andries Mellema | French Defense: Winawer Variation, Advance Variation | |
| Oct 19, 2022 | Bahne Fuhrmann | 0–1 | Sipke Ernst | Round 5: Bahne Fuhrmann - Sipke Ernst | English Defense | |
| Oct 18, 2022 | Sipke Ernst | 0–1 | Jakob Weihrauch | Round 4: Sipke Ernst - Jakob Weihrauch | Sicilian Defense: Moscow Variation | |
| Oct 17, 2022 | Henning Holinka | ½–½ | Sipke Ernst | Round 3: Henning Holinka - Sipke Ernst | French Defense: Winawer Variation, Alekhine Gambit, Kan Variation | |
| Oct 16, 2022 | Sipke Ernst | 1–0 | Michael Kotyk | Round 2: Sipke Ernst - Michael Kotyk | Italian Game: Giuoco Pianissimo, Normal | |
| Oct 15, 2022 | Mark Bloem | 0–1 | Sipke Ernst | Round 1: Mark Bloem - Sipke Ernst | Sicilian Defense: Taimanov Variation | |
| Oct 20, 2021 | Sipke Ernst | ½–½ | Nico Zwirs | Tiebreak 2: Sipke Ernst - Nico Zwirs | Queen's Gambit Declined: Barmen Variation | |
| Oct 19, 2021 | Nico Zwirs | ½–½ | Sipke Ernst | Round 2.2: Nico Zwirs - Sipke Ernst | French Defense: Winawer Variation, Retreat Variation, Armenian Line | |
| Oct 18, 2021 | Sipke Ernst | ½–½ | Nico Zwirs | Round 2.1: Sipke Ernst - Nico Zwirs | Queen's Gambit Declined: Three Knights, Vienna Variation | |