| Jun 27, 2026 | Groenewoud | 0–1 | Lopez | Round 2: Groenewoud, Joel - Lopez, Jasel | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jun 27, 2026 | Hoetink | * | Groenewoud | Round 1: Hoetink, Simeon - Groenewoud, Joel | ? | |
| Jun 21, 2026 | Groenewoud | 0–1 | Arnold | HSG Open 2026 A | Sicilian Defense: Classical Variation | |
| Jun 19, 2026 | Groenewoud | 0–1 | Terlouw | HSG Open 2026 A | Sicilian Defense: Lasker-Pelikan Variation | |
| May 25, 2026 | Schonberger | * | Groenewoud | Round 7: Schonberger, Daan - Groenewoud, Joel | ? | |
| May 25, 2026 | Groenewoud | * | Omnes | Round 6: Groenewoud, Joel - Omnes, Tiago | ? | |
| May 24, 2026 | Kalle | * | Groenewoud | Round 5: Kalle, Erwin - Groenewoud, Joel | ? | |
| May 24, 2026 | Westerhof | * | Groenewoud | Round 4: Westerhof, Fleur - Groenewoud, Joel | ? | |
| May 23, 2026 | Groenewoud | * | Gerrits | Round 3: Groenewoud, Joel - Gerrits, Augustin | ? | |
| May 23, 2026 | Schmitz | * | Groenewoud | Round 2: Schmitz, Philipp - Groenewoud, Joel | ? | |
| May 22, 2026 | Groenewoud | * | Verheyen | Round 1: Groenewoud, Joel - Verheyen, Olivier | ? | |
| May 15, 2026 | Groenewoud | 0–1 | Ootes | Round 1: Groenewoud, Joel - Ootes, Lars | Modern Defense: Standard Defense | |
| May 1, 2026 | Aravindhan | 1–0 | Groenewoud | Round 12: Aravindhan, Achyuth - Groenewoud, Joel | St. George Defense: Polish Variation | |
| May 1, 2026 | Groenewoud | 0–1 | Baarspul | Round 11: Groenewoud, Joel - Baarspul, Bram | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| May 1, 2026 | Kurt | 0–1 | Groenewoud | Round 9: Kurt, Sascha - Groenewoud, Joel | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 1, 2026 | Groenewoud | 0–1 | Zecha | Round 8: Groenewoud, Joel - Zecha, Oscar | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| May 1, 2026 | Groenewoud | 1–0 | De Jong | Round 10: Groenewoud, Joel - De Jong, Lode | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Apr 30, 2026 | Frederiks | 0–1 | Groenewoud | Round 7: Frederiks, Jesse - Groenewoud, Joel | Caro-Kann Defense: Maróczy Variation | |
| Apr 29, 2026 | Groenewoud | 0–1 | Kurt | Round 6: Groenewoud, Joel - Kurt, Sascha | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Apr 29, 2026 | Hallibert | 0–1 | Groenewoud | Round 5: Hallibert, Emilien - Groenewoud, Joel | English Opening: Anglo-Indian Defense, King's Indian Formation | |
| Apr 26, 2026 | Aravindhan | ½–½ | Groenewoud | Round 3: Aravindhan, Achyuth - Groenewoud, Joel | Caro-Kann Defense: Tartakower Variation | |
| Apr 25, 2026 | Groenewoud | 1–0 | De Jong | Round 2: Groenewoud, Joel - De Jong, Lode | Sicilian Defense: Najdorf Variation | |
| Apr 25, 2026 | Okita | 0–1 | Groenewoud | Round 1: Okita, Shinsaku - Groenewoud, Joel | Queen's Pawn Game: Barry Attack | |
| Apr 12, 2026 | Groenewoud | 0–1 | Chua | Round 4: Groenewoud, Joel - Chua, Ethan | Sicilian Defense: Kalashnikov Variation | |
| Feb 21, 2026 | Groenewoud | 0–1 | Ritzerveld | Round 3: Groenewoud, Joel - Ritzerveld, Noah | Ruy Lopez: Closed, Worrall Attack, Castling Line | |
| Oct 24, 2025 | Groenewoud | 0–1 | Abel Sajan | Round 8: Groenewoud, Joel - Abel Sajan | Sicilian Defense: Najdorf Variation | |
| Oct 23, 2025 | Struik | 1–0 | Groenewoud | Round 7: Struik, Marcel - Groenewoud, Joel | Caro-Kann Defense: Goldman Variation | |
| Oct 22, 2025 | Groenewoud | 0–1 | De Jong | Round 6: Groenewoud, Joel - De Jong, Lode | Saragossa Opening | |
| Oct 21, 2025 | Moghe Parth | 1–0 | Groenewoud | Round 5: Moghe Parth - Groenewoud, Joel | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Oct 21, 2025 | Groenewoud | ½–½ | Hoffman | Round 4: Groenewoud, Joel - Hoffman, Ron | French Defense: Advance Variation, Paulsen Attack | |
| Oct 20, 2025 | Fikh | ½–½ | Groenewoud | Round 3: Fikh, Anthony - Groenewoud, Joel | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| Oct 19, 2025 | Groenewoud | 0–1 | Safin Safarullakhan | Round 2: Groenewoud, Joel - Safin Safarullakhan | Sicilian Defense: Najdorf Variation | |
| Oct 18, 2025 | Bakels | ½–½ | Groenewoud | Round 1: Bakels, Anton - Groenewoud, Joel | Caro-Kann Defense: Tartakower Variation | |
| Jun 7, 2025 | Groenewoud | 0–1 | Elgersma | Round 2: Groenewoud, Joel - Elgersma, Onno | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| May 2, 2025 | Lopes | ½–½ | Groenewoud | Round 7: Lopes, Samuel - Groenewoud, Joel | Caro-Kann Defense: Two Knights Attack | |
| May 1, 2025 | Groenewoud | 0–1 | Van Batenburg | Round 6: Groenewoud, Joel - Van Batenburg, Mees | Sicilian Defense: Nimzowitsch Variation, Closed Variation | |
| Apr 30, 2025 | Van Haaften | 0–1 | Groenewoud | Round 5: Van Haaften, Jelle - Groenewoud, Joel | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Apr 29, 2025 | Groenewoud | 1–0 | Winter | Round 4: Groenewoud, Joel - Winter, Sven | Pirc Defense | |
| Apr 28, 2025 | De Jong | ½–½ | Groenewoud | Round 3: De Jong, Lode - Groenewoud, Joel | King's Indian Defense: Makogonov Variation | |
| Apr 27, 2025 | Groenewoud | 0–1 | Grooten | Round 2: Groenewoud, Joel - Grooten, Tommy | Sicilian Defense: Najdorf Variation | |
| Apr 26, 2025 | Wink | ½–½ | Groenewoud | Round 1: Wink, Luka - Groenewoud, Joel | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Nov 1, 2024 | Groenewoud | 0–1 | Kazarian | Amsterdam Chess Open 2024 | French Defense: Advance Variation, Euwe Variation | |
| Aug 29, 2024 | Ahn | 1–0 | Groenewoud | EYCC 2024 - O14 | King's Indian Defense: Normal Variation, Standard Development | |
| Aug 26, 2024 | Popov | 1–0 | Groenewoud | EYCC 2024 - O14 | King's Indian Defense: Makogonov Variation | |
| Aug 24, 2024 | Basha | ½–½ | Groenewoud | EYCC 2024 - O14 | Caro-Kann Defense: Exchange Variation | |
| Aug 23, 2024 | Groenewoud | 0–1 | Kulich | EYCC 2024 - O14 | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 22, 2024 | Pausweg | 0–1 | Groenewoud | EYCC 2024 - O14 | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Jul 21, 2024 | Groenewoud | 1–0 | Roe | Amsterdam Science Park 2024 | Philidor Defense: Exchange Variation | |
| Jul 18, 2024 | Duijker | * | Groenewoud | Amsterdam Science Park 2024 | Nimzo-Larsen Attack: Indian Variation | |
| Jul 16, 2024 | Blees | 1–0 | Groenewoud | Amsterdam Science Park 2024 | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
| Jul 14, 2024 | Elgersma | 1–0 | Groenewoud | Amsterdam Science Park 2024 | Caro-Kann Defense: Tartakower Variation | |
| Jun 22, 2024 | Pham | 1–0 | Groenewoud | Round 2: Pham, Khoi - Groenewoud, Joel | King's Indian Defense: Semi-Averbakh System | |
| Jun 20, 2024 | Tommy 2010: Grooten | 0–1 | Groenewoud | Round 4: Tommy 2010: Grooten - Groenewoud, Joel | ? | |
| Jun 16, 2024 | Armin 2010: Ehrismann | 0–1 | Groenewoud | Round 6: Armin 2010: Ehrismann - Groenewoud, Joel | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 16, 2024 | Cakmak | 0–1 | Groenewoud | Round 2: Cakmak, Metehan Tugra - Groenewoud, Joel | Caro-Kann Defense: Exchange Variation | |
| Jun 16, 2024 | Groenewoud | 1–0 | Van Rijn | Round 1: Groenewoud, Joel - Van Rijn, Vincent | Caro-Kann Defense: Two Knights Attack | |
| Jun 15, 2024 | Groenewoud | 1–0 | Van Batenburg | Round 9: Groenewoud, Joel - Van Batenburg, Mees | Sicilian Defense: Lasker-Pelikan Variation | |
| Jun 15, 2024 | Blijlevens | 0–1 | Groenewoud | Round 8: Blijlevens, Pim - Groenewoud, Joel | Trompowsky Attack: Edge Variation | |
| Jun 15, 2024 | Groenewoud | 1–0 | Darie | Round 7: Groenewoud, Joel - Darie, Aden | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 15, 2024 | Geboers | 1–0 | Groenewoud | Round 6: Geboers, Jimmy - Groenewoud, Joel | King's Indian Defense: Four Pawns Attack | |
| Jun 15, 2024 | Groenewoud | 1–0 | Grooten | Round 5: Groenewoud, Joel - Grooten, Tommy | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Jun 15, 2024 | Roebers | 1–0 | Groenewoud | Round 4: Roebers, Eline - Groenewoud, Joel | Caro-Kann Defense: Two Knights Attack | |
| Jun 15, 2024 | Groenewoud | 1–0 | Uyttenhove | Round 3: Groenewoud, Joel - Uyttenhove, Pearl | Czech Defense | |
| Jun 15, 2024 | Quintus | 0–1 | Groenewoud | Round 2: Quintus, Max - Groenewoud, Joel | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| Jun 15, 2024 | Groenewoud | 1–0 | Calvi | Round 1: Groenewoud, Joel - Calvi, Elias Francesco | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| May 12, 2024 | Groenewoud | 0–1 | Ten Hertog | Round 2: Groenewoud, Joel - Ten Hertog, Hugo | Modern Defense: Standard Defense | |
| May 3, 2024 | Groenewoud | 0–1 | Grooten | Tiebreak round 3: Groenewoud, Joel - Grooten, Tommy | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| May 3, 2024 | Kurt | 0–1 | Groenewoud | Tiebreak round 1: Kurt, Sascha - Groenewoud, Joel | Caro-Kann Defense: Panov Attack, Fianchetto Defense | |
| May 3, 2024 | Grooten | 1–0 | Groenewoud | Round 9: Grooten, Tommy - Groenewoud, Joel | King's Indian Defense: Petrosian Variation, Stein Defense | |
| May 2, 2024 | Kurt | 0–1 | Groenewoud | Round 8: Kurt, Sascha - Groenewoud, Joel | Caro-Kann Defense: Panov Attack, Fianchetto Defense, Fianchetto Gambit | |
| May 1, 2024 | Groenewoud | ½–½ | Ritzerveld | Round 7: Groenewoud, Joel - Ritzerveld, Noah | Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense | |
| May 1, 2024 | Groenewoud | 1–0 | Darie | Round 6: Groenewoud, Joel - Darie, Aden | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 30, 2024 | Chua | 1–0 | Groenewoud | Round 5: Chua, Ethan - Groenewoud, Joel | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 29, 2024 | Groenewoud | 1–0 | Terlouw | Round 4: Groenewoud, Joel - Terlouw, Wouter | Sicilian Defense: Lasker-Pelikan Variation | |
| Apr 29, 2024 | De Jong | 0–1 | Groenewoud | Round 3: De Jong, Lode - Groenewoud, Joel | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| Apr 28, 2024 | Groenewoud | 1–0 | Koppenens | Round 2: Groenewoud, Joel - Koppenens, Oscar | Sicilian Defense: Venice Attack | |
| Apr 27, 2024 | Lalkota | 0–1 | Groenewoud | Round 1: Lalkota, Sai Pranav Tejas - Groenewoud, Joel | English Opening: Anglo-Indian Defense | |
| Apr 1, 2024 | Khoi Pham | 1–0 | Groenewoud | Round 6: Khoi Pham - Groenewoud, Joel | King's Indian Defense: Fianchetto Variation, Larsen Defense | |
| Dec 29, 2024 | Schilstra | 1–0 | Groenewoud | Round 8: Schilstra, Laurens - Groenewoud, Joel | Caro-Kann Defense: Two Knights Attack | |
| Dec 28, 2024 | Groenewoud | 0–1 | Van Helvoort | Round 7: Groenewoud, Joel - Van Helvoort, Rob | Sicilian Defense: Four Knights Variation | |
| Dec 27, 2024 | Spit | 1–0 | Groenewoud | Round 6: Spit, Vincent - Groenewoud, Joel | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Dec 26, 2024 | Groenewoud | 0–1 | Ritzerveld | Round 5: Groenewoud, Joel - Ritzerveld, Noah | Ruy Lopez: Closed, Morphy Attack | |
| Dec 24, 2024 | Duijker | ½–½ | Groenewoud | Round 4: Duijker, Rick - Groenewoud, Joel | Trompowsky Attack | |
| Dec 23, 2024 | Groenewoud | 0–1 | Cernov | Round 3: Groenewoud, Joel - Cernov, Henrik | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Dec 22, 2024 | Kazakouski | 1–0 | Groenewoud | Round 2: Kazakouski, Valery - Groenewoud, Joel | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Dec 21, 2024 | Groenewoud | 1–0 | Van Rootselaar | Round 1: Groenewoud, Joel - Van Rootselaar, Rik | French Defense: Advance Variation, Euwe Variation | |
| May 4, 2023 | Groenewoud | ½–½ | Madularea | NJSK 2023 Jeugd C | Sicilian Defense: Najdorf Variation | |
| May 4, 2023 | Arnold | 1–0 | Groenewoud | NJSK 2023 Jeugd C | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 3, 2023 | Groenewoud | 1–0 | Zecha | NJSK 2023 Jeugd C | Italian Game: Evans Gambit, Anderssen Variation, Cordel Line | |
| May 2, 2023 | Groenewoud | 1–0 | Etienne | NJSK 2023 Jeugd C | Italian Game: Two Knights Defense, Polerio Defense, Suhle Defense | |
| May 2, 2023 | Krylov | 0–1 | Groenewoud | NJSK 2023 Jeugd C | King's Indian Defense: Steiner Attack | |
| May 1, 2023 | Wink | 1–0 | Groenewoud | NJSK 2023 Jeugd C | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 30, 2023 | Groenewoud | 1–0 | Chua | NJSK 2023 Jeugd C | French Defense: Rubinstein Variation | |