| Jul 8, 2025 | Durzynski | 1–0 | Renczynski | XXI Batlic Pearl Ches Festival 2025 Group A | French Defense: Rubinstein Variation, Kasparov Attack | |
| Jul 7, 2025 | Renczynski | ½–½ | Jodlowski | XXI Batlic Pearl Ches Festival 2025 Group A | Nimzowitsch Defense: Declined Variation | |
| Jul 6, 2025 | Renczynski | 1–0 | Klincewicz | XXI Baltic Pearl Chess Festival Group A 22-27 | Sicilian Defense: Kalashnikov Variation | |
| Jul 5, 2025 | Piotrowski | ½–½ | Renczynski | XXI Baltic Pearl Chess Festival Group A 22-27 | French Defense: Advance Variation, Paulsen Attack | |
| Jul 4, 2025 | Gasiorek | ½–½ | Renczynski | XXI Baltic Pearl Chess Festival Group A 22-27 | Slav Defense: Chebanenko Variation | |
| Jul 3, 2025 | Renczynski | 1–0 | Konkol | XXI Baltic Pearl Chess Festival Group A 22-27 | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Jul 2, 2025 | Renczynski | 0–1 | Spicak | XXI Baltic Pearl Chess Festival Group A 22-27 | French Defense: Advance Variation, Wade Variation | |
| Jul 1, 2025 | Gadek | 1–0 | Renczynski | XXI Baltic Pearl Chess Festival Group A 22-27 | King's Indian Defense: Four Pawns Attack, Normal Attack | |
| Aug 2, 2024 | Terkiewicz | 1–0 | Renczynski | Mistrzostwa Polski Juniorów - C16 RAPID | Indian Defense: Budapest Defense | |
| Jun 2, 2024 | Renczynski | 1–0 | Hury | Round 5: Renczynski, Marcel - Hury, Tymoteusz | Ruy Lopez: Morphy Defense, Arkhangelsk Variation | |
| Jun 2, 2024 | Renczynski | ½–½ | Strawa | Round 4: Renczynski, Marcel - Strawa, Jakub | Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation | |
| Jun 1, 2024 | Walat | 0–1 | Renczynski | Round 3: Walat, Miroslaw - Renczynski, Marcel | French Defense: Advance Variation | |
| Jun 1, 2024 | Renczynski | 1–0 | Jodlowski | Round 2: Renczynski, Marcel - Jodlowski, Robert | Czech Defense | |
| Jun 1, 2024 | Bochniak | 1–0 | Renczynski | Round 1: Bochniak, Franciszek - Renczynski, Marcel | Trompowsky Attack | |
| May 31, 2024 | Strawa | 1–0 | Renczynski | Round 2: Strawa, Jakub - Renczynski, Marcel | Zukertort Opening: Queen's Gambit Invitation | |
| May 31, 2024 | Renczynski | 1–0 | Strawa | Round 1: Renczynski, Marcel - Strawa, Jakub | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| — | Kusiak | 1–0 | Renczynski | C18 | French Defense: Rubinstein Variation, Blackburne Defense | |
