 Morocco: M15 Tanger - Doubles - Main |
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| Quarter-finals | Faisal G. A./Grzegorzewski O. | Aubriot A./Rivet M. | 2:1 (6:3, 4:6, 10:5) | details | 27.06.2024 |
| 1/8-finals | Faisal G. A./Grzegorzewski O. | Missoum A./salah-eddine g. | 2:0 (6:2, 6:3) | details | 25.06.2024 |
 Romania: M15 Oradea - Doubles - Main |
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| Semi-finals | Alvarez Sarmiento M. L./Rocens M. | Coman M. A./Grzegorzewski O. | 2:0 (6:3, 6:4) | details | 14.06.2024 |
| Quarter-finals | Apltauer F./Katuch J. | Coman M. A./Grzegorzewski O. | 1:2 (65:7, 7:64, 6:10) | details | 13.06.2024 |
| 1/8-finals | Coman M. A./Grzegorzewski O. | Boitan G. A./Dumitru A. C. | 1:0 RET. (7:64, 2:1) | details | 13.06.2024 |
 Poland: M15 Grodzisk Mazowiecki - Doubles - Main |
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| Quarter-finals | Bajurko A./Juszczak P. | Bojarski A./Grzegorzewski O. | 2:1 (4:6, 6:3, 10:6) | details | 06.06.2024 |
| 1/8-finals | Bojarski A./Grzegorzewski O. | Kielan S./Pieczonka F. | 2:1 (2:6, 6:4, 10:7) | details | 05.06.2024 |
 Tunisia: M15 Monastir 17 - Doubles - Main |
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| Quarter-finals | Hamza Reguig S./van Wyk K. | Grzegorzewski O./Zgola B. | 2:1 (1:6, 6:3, 10:4) | details | 25.04.2024 |
| 1/8-finals | Elamin A./Makhlouf N. | Grzegorzewski O./Zgola B. | 0:2 (4:6, 2:6) | details | 23.04.2024 |
 Egypt: M15 Sharm ElSheikh 8 - Doubles - Main |
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| Quarter-finals | Beloborodko I./Dzhavakian Y. | Grzegorzewski O./Zgola B. | 2:0 (6:3, 6:4) | details | 21.03.2024 |
| 1/8-finals | Ibrahim K./Khamis Y. | Grzegorzewski O./Zgola B. | 0:2 (3:6, 64:7) | details | 19.03.2024 |
| Egypt: M15 Sharm ElSheikh 7 - Doubles - Main |
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| 1/8-finals | Grzegorzewski O./Poertner L. | Elsayed A./van Wyk K. | 0:2 (2:6, 67:7) | details | 12.03.2024 |
| Egypt: M15 Sharm ElSheikh - Doubles - Main |
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| 1/8-finals | Liaonenka A./Zgirovsky A. | Grzegorzewski O./Zhukov M. | 2:0 (6:3, 6:4) | details | 30.01.2024 |
| Tunisia: M15 Monastir 48 - Doubles - Main |
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| Quarter-finals | Grzegorzewski O./Majchrzak A. | Bellifemine A./Brigida O. | 0:2 (4:6, 2:6) | details | 30.11.2023 |
| 1/8-finals | Arutiunian E./Szajrych J. | Grzegorzewski O./Majchrzak A. | WO. | details | 29.11.2023 |
| Tunisia: M15 Monastir 47 - Doubles - Main |
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| Semi-finals | Karol M./Oetzbach A. | Grzegorzewski O./Szajrych J. | 2:1 (2:6, 6:3, 12:10) | details | 25.11.2023 |
| Quarter-finals | Grzegorzewski O./Szajrych J. | Broska F./Gomez G. | 2:1 (7:5, 4:6, 11:9) | details | 24.11.2023 |
| 1/8-finals | Friis L./Garcia M. | Grzegorzewski O./Szajrych J. | 0:2 (2:6, 1:6) | details | 21.11.2023 |
| Tunisia: M15 Monastir 46 - Doubles - Main |
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| Quarter-finals | Paul J./Schnaitter J. | Grzegorzewski O./Majchrzak A. | 2:0 (6:3, 6:3) | details | 16.11.2023 |
| 1/8-finals | Grzegorzewski O./Majchrzak A. | Laborde A./Camargo Lima E. | 2:0 (6:3, 6:2) | details | 14.11.2023 |
Qatar: M15 Doha 3 - Singles - Main