| Sep 23, 2025 | Felmery | 0–1 | Ratsma | SixDays Three Years IM-C | Caro-Kann Defense: Advance Variation | |
| Sep 22, 2025 | Ratsma | 0–1 | Tashkinova | SixDays Three Years IM-C | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Sep 22, 2025 | Kovalev | 1–0 | Ratsma | SixDays Three Years IM-C | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Sep 21, 2025 | Ratsma | ½–½ | Perkampus | SixDays Three Years IM-C | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Sep 20, 2025 | Adury | ½–½ | Ratsma | SixDays Three Years IM-C | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Sep 20, 2025 | Ratsma | 0–1 | Badacsonyi | SixDays Three Years IM-C | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Sep 19, 2025 | Anishka Vikram | 0–1 | Ratsma | SixDays Three Years IM-C | Tarrasch Defense: Two Knights Variation | |
| Sep 19, 2025 | Ratsma | 0–1 | Hacker | SixDays Three Years IM-C | Sicilian Defense: Pin Variation, Koch Variation | |
| Sep 18, 2025 | Ratsma | ½–½ | Adarsh Tripathi | SixDays Three Years IM-C | Sicilian Defense: Nimzowitsch Variation, Main Line | |
| Jun 1, 2025 | Mellema | 1–0 | Ratsma | Round 5: Mellema, Andries - Ratsma, Midas | Italian Game: Classical Variation, Giuoco Pianissimo | |
| May 30, 2025 | Ratsma | 0–1 | Van t Hoff | Round 2: Ratsma, Midas - Van t Hoff, Tom | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| May 30, 2025 | Guillaumond | 0–1 | Ratsma | Round 1: Guillaumond, Matthieu - Ratsma, Midas | Scotch Game: Mieses Variation | |
| Mar 22, 2025 | Ratsma | ½–½ | Rydstrom | OneWeek IM-A | Philidor Defense: Exchange Variation | |
| Mar 21, 2025 | Ratsma | 1–0 | Foldes | OneWeek IM-A | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Mar 21, 2025 | Horvath | ½–½ | Ratsma | OneWeek IM-A | Catalan Opening: Open Defense | |
| Mar 20, 2025 | Turzo | 0–1 | Ratsma | OneWeek IM-A | Queen's Gambit Declined: Harrwitz Attack, Main Line | |
| Mar 19, 2025 | Ratsma | 1–0 | Chakrabarty | OneWeek IM-A | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Mar 19, 2025 | Singh | ½–½ | Ratsma | OneWeek IM-A | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Mar 18, 2025 | Ratsma | ½–½ | Nakahara | OneWeek IM-A | Scotch Game: Mieses Variation | |
| Mar 18, 2025 | Krizsany | 0–1 | Ratsma | OneWeek IM-A | Queen's Gambit Declined: Exchange Variation | |
| Mar 17, 2025 | Tscheuschner | 1–0 | Ratsma | OneWeek IM-A | English Opening: Agincourt Defense | |
| Nov 3, 2024 | Ratsma | 1–0 | Brookes | Amsterdam Chess Open 2024 | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Nov 3, 2024 | Grutter | ½–½ | Ratsma | Amsterdam Chess Open 2024 | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Nov 2, 2024 | Ratsma | 1–0 | Johannesson | Amsterdam Chess Open 2024 | Sicilian Defense: Kalashnikov Variation | |
| Nov 2, 2024 | Pham | ½–½ | Ratsma | Amsterdam Chess Open 2024 | Queen's Gambit Declined: Exchange Variation | |
| Aug 20, 2024 | Ratsma | 0–1 | Cong | Budapest One Week IMB | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 19, 2024 | Latifah | ½–½ | Ratsma | Budapest One Week IMB | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| Aug 18, 2024 | Ratsma | 1–0 | Horvath | Budapest One Week IMB | French Defense: Advance Variation, Wade Variation | |
| Aug 18, 2024 | Kustar | 0–1 | Ratsma | Budapest One Week IMB | Zukertort Opening: Reversed Grünfeld | |
| Aug 17, 2024 | Ratsma | 1–0 | Ballotti | Budapest One Week IMB | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Aug 16, 2024 | Ratsma | ½–½ | Rahman | Budapest One Week IMB | French Defense: Winawer Variation, Classical Variation | |
| Aug 16, 2024 | To | ½–½ | Ratsma | Budapest One Week IMB | Catalan Opening: Open Defense | |
| Aug 15, 2024 | Wang | * | Ratsma | Budapest One Week IMB | Zukertort Opening: Reversed Grünfeld | |
| Aug 14, 2024 | Mihok-Juhasz | 0–1 | Ratsma | Budapest One Week IMB | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Dec 30, 2024 | Boeren | 1–0 | Ratsma | Round 9: Boeren, Jurriaan - Ratsma, Midas | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Dec 29, 2024 | Ratsma | 1–0 | Ponnio | Round 8: Ratsma, Midas - Ponnio, Toni | Four Knights Game: Scotch Variation Accepted | |
| Dec 28, 2024 | Ratsma | ½–½ | Hummel | Round 7: Ratsma, Midas - Hummel, Paul | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Dec 27, 2024 | Zecha | 1–0 | Ratsma | Round 6: Zecha, Oscar - Ratsma, Midas | Ruy Lopez: Berlin Defense | |
| Dec 26, 2024 | Ratsma | 0–1 | Mareau | Round 5: Ratsma, Midas - Mareau, Timothe | Dutch Defense | |
| Dec 24, 2024 | Keuning | 1–0 | Ratsma | Round 4: Keuning, Selwin - Ratsma, Midas | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Dec 23, 2024 | Ratsma | ½–½ | Nicolai | Round 3: Ratsma, Midas - Nicolai, Amir | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Dec 22, 2024 | Van Helvoort | 0–1 | Ratsma | Round 2: Van Helvoort, Rob - Ratsma, Midas | Ruy Lopez: Berlin Defense | |
| Dec 21, 2024 | Ratsma | 0–1 | Schilstra | Round 1: Ratsma, Midas - Schilstra, Laurens | Sicilian Defense: Taimanov Variation | |
| Sep 14, 2024 | Ratsma | 1–0 | Grooten | Round 3: Ratsma, Midas - Grooten, Herman | Rapport-Jobava System | |
| Sep 14, 2024 | Ratsma | 0–1 | Timmermans | Round 3: Ratsma, Midas - Timmermans, Mark | Rapport-Jobava System | |
| Sep 14, 2024 | Ratsma | 1–0 | Kerkmeester | Round 1: Ratsma, Midas - Kerkmeester, Cedric | Rapport-Jobava System | |
| Sep 14, 2024 | Ratsma | 1–0 | Van Delft | Round 3: Ratsma, Midas - Van Delft, Merijn | Rapport-Jobava System | |
| Sep 14, 2024 | Ratsma | 0–1 | Admiraal | Round 5: Ratsma, Midas - Admiraal, Miguoel | Queen's Pawn Game: Chigorin Variation, Irish Gambit | |
| Sep 14, 2024 | Ratsma | 1–0 | Tikranian | Round 7: Ratsma, Midas - Tikranian, Alik | Rapport-Jobava System | |
| Sep 14, 2024 | Ratsma | 1–0 | Grochal | Round 9: Ratsma, Midas - Grochal, Joey | Rapport-Jobava System | |
| Sep 14, 2024 | Ratsma | 0–1 | Grooten | Round 10: Ratsma, Midas - Grooten, Herman | Benoni Defense: Old Benoni | |
| Sep 14, 2024 | Bijlsma | 1–0 | Ratsma | Round 3: Bijlsma, Nick - Ratsma, Midas | Ruy Lopez: Morphy Defense, Schliemann Defense Deferred | |
| Sep 14, 2024 | Van Dam | 0–1 | Ratsma | Round 3: Van Dam, Niels - Ratsma, Midas | Four Knights Game: Glek System | |
| Sep 14, 2024 | Dinanath | 0–1 | Ratsma | Round 3: Dinanath, Hrdya - Ratsma, Midas | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Sep 14, 2024 | Kazarjan | 0–1 | Ratsma | Round 2: Kazarjan, Gachatur - Ratsma, Midas | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Sep 14, 2024 | Elgersma | 1–0 | Ratsma | Round 4: Elgersma, Onno - Ratsma, Midas | Ruy Lopez: Berlin Defense | |
| Sep 14, 2024 | Koster | 1–0 | Ratsma | Round 6: Koster, Ramon - Ratsma, Midas | Queen's Gambit Declined | |
| Sep 14, 2024 | Schilstra | 1–0 | Ratsma | Round 8: Schilstra, Laurens - Ratsma, Midas | Ruy Lopez: Berlin Defense | |
| Sep 14, 2024 | Grooten | 0–1 | Ratsma | Round 11: Grooten, Tommy - Ratsma, Midas | Mikenas Defense | |
| Oct 28, 2023 | Ratsma | 0–1 | Pijpers | Amsterdam Chess Open 2023 - A & B | Sicilian Defense: Dragon Variation, Classical Variation | |
| Jun 20, 2023 | Ratsma | ½–½ | Sadikhov | Cesme Open | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Jun 20, 2023 | Ratsma | ½–½ | Mohammadi | Cesme Open | Scotch Game: Schmidt Variation | |
| Jun 20, 2023 | Quparadze | 1–0 | Ratsma | Cesme Open | Ruy Lopez: Berlin Defense | |
| Jun 19, 2023 | Gonzalez | 0–1 | Ratsma | Cesme Open | ? | |
| May 28, 2023 | Ratsma | * | Kopylov | Limburg Open | ? | |
| May 28, 2023 | Fischer | * | Ratsma | Limburg Open | ? | |
| Aug 29, 2021 | Ratsma | 0–1 | Zetocha | Skalica Open - A | Caro-Kann Defense: Two Knights Attack | |
| Aug 28, 2021 | Hollan | 1–0 | Ratsma | Skalica Open - A | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Aug 27, 2021 | Ratsma | 1–0 | Tobak | Skalica Open - A | Alekhine Defense: Four Pawns Attack, Main Line | |
| Aug 26, 2021 | Bednar | 0–1 | Ratsma | Skalica Open - A | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Aug 25, 2021 | Ratsma | 0–1 | Farkas | Skalica Open - A | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Aug 24, 2021 | Ihnat | 0–1 | Ratsma | Skalica Open - A | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Aug 23, 2021 | Ratsma | ½–½ | Travnicek | Skalica Open - A | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 22, 2021 | Raja Rithvik R | 1–0 | Ratsma | Skalica Open - A | Nimzo-Indian Defense: Normal Variation, Schlechter Defense | |
| Aug 21, 2021 | Ratsma | 1–0 | Mandak | Skalica Open - A | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Jul 8, 2021 | Skonnord | ½–½ | Ratsma | Serbia Chess Open | Masters | ? | |
| Jul 6, 2021 | Ratsma | 1–0 | Vasic | Serbia Chess Open | Masters | ? | |
| Jul 5, 2021 | Asatryan | * | Ratsma | Serbia Chess Open | Masters | ? | |
| Jul 4, 2021 | Ratsma | ½–½ | Caputcuoglu | Serbia Chess Open | Masters | ? | |
| Jul 3, 2021 | Ratsma | 1–0 | Trippold | Serbia Chess Open | Masters | ? | |
| Jul 3, 2021 | Perunovic | 1–0 | Ratsma | Serbia Chess Open | Masters | ? | |
| Jul 2, 2021 | Budisavljevic | 1–0 | Ratsma | Serbia Chess Open | Masters | ? | |
| — | Ratsma | 1–0 | Habig | Oscar Romero Open Hoorns Kampioenschap 2025 | Caro-Kann Defense: Advance Variation, Bayonet Attack | |
| — | Ratsma | 0–1 | Teianu | Oscar Romero Open Hoorns Kampioenschap 2025 | French Defense: Rubinstein Variation, Fort Knox Variation | |
| — | De Wit | 0–1 | Ratsma | Oscar Romero Open Hoorns Kampioenschap 2025 | Queen's Gambit Declined: Exchange Variation | |
| — | Kurt | 1–0 | Ratsma | Oscar Romero Open Hoorns Kampioenschap 2025 | Caro-Kann Defense: Advance Variation, Tal Variation | |
