 France: W50+H Calvi - Doubles - Main |
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| Quarter-finals | Payet P./Szostak M. | Belgraver J./Weckerle M. | 0:2 (3:6, 3:6) | details | 16.04.2024 |
| France: W75 Croissy-Beaubourg - Doubles - Main |
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| Quarter-finals | Lumsden M./Ponchet J. | Martynov D./Szostak M. | 2:0 (6:4, 6:2) | details | 28.03.2024 |
| 1/8-finals | Mazzoni E./Mazzoni J. | Martynov D./Szostak M. | 0:2 (1:6, 1:6) | details | 27.03.2024 |
 Tunisia: W15 Monastir 9 - Doubles - Main |
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| 1/8-finals | Milovanovic E./Paszek T. | Leclercq M./Szostak M. | 2:0 (6:3, 6:3) | details | 12.03.2024 |
| Tunisia: W15 Monastir 8 - Doubles - Main |
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| 1/8-finals | Burylo M./Kovacevic E. | Szostak M./Tubello A. | 2:1 (7:5, 1:6, 10:6) | details | 06.03.2024 |
| France: W75 Grenoble - Doubles - Main |
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| 1/8-finals | Rakotomanga Rajaonah T./Rouvroy M. | Salas E./Szostak M. | 2:1 (6:1, 4:6, 10:5) | details | 07.02.2024 |
| France: W75 Andrezieux-Boutheon - Doubles - Main |
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| 1/8-finals | Szostak M./Tubello A. | Jacquemot E./Serban R. | 0:2 (2:6, 2:6) | details | 30.01.2024 |
| France: W80 Poitiers - Doubles - Main |
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| 1/8-finals | Rompies J./Thombare P. | Ngijol-Carre M./Szostak M. | 2:0 (6:2, 6:1) | details | 24.10.2023 |
| France: W25+H Cherbourg En Cotentin - Doubles - Main |
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| Quarter-finals | Lim J./Szostak M. | Cavalle-Reimers Y./Pridankina E. | 1:2 (6:4, 3:6, 6:10) | details | 18.10.2023 |
| 1/8-finals | Anane S./Tilgner M. | Lim J./Szostak M. | 0:2 (3:6, 1:6) | details | 17.10.2023 |
| Tunisia: W15 Monastir 33 - Doubles - Main |
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| Semi-finals | Cirotte A./Szostak M. | Adkar V./Gulin G. | 1:2 (3:6, 6:4, 3:10) | details | 22.09.2023 |
| Quarter-finals | Cirotte A./Szostak M. | Iila E./Tran D. | 2:1 (6:0, 5:7, 10:6) | details | 21.09.2023 |
| 1/8-finals | Cirotte A./Szostak M. | Atturu S./Bhasin S. | 2:1 (6:2, 3:6, 10:6) | details | 20.09.2023 |
| Tunisia: W15 Monastir 29 - Doubles - Main |
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| Quarter-finals | El Allami M./Varul L. | Szostak M./Villet M. | 2:1 (4:6, 6:3, 10:7) | details | 24.08.2023 |
| 1/8-finals | Moneva Y./Rothensteiner L. | Szostak M./Villet M. | 0:2 (0:6, 3:6) | details | 23.08.2023 |
| France: W15 Les Contamines-Montjoie - Doubles - Main |
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| Final | Cirotte A./Szostak M. | Simunyu C./Tsygourova K. | 2:1 (6:3, 3:6, 10:7) | details | 22.07.2023 |
| Semi-finals | Cirotte A./Szostak M. | Bergler O./Ozeki M. | 2:1 (7:5, 4:6, 13:11) | details | 21.07.2023 |
| Quarter-finals | Cirotte A./Szostak M. | Chlpac A./Gonzalez Daniele J. M. | 2:1 (6:1, 3:6, 10:6) | details | 19.07.2023 |
| France: W15 Norges-la-Ville - Doubles - Main |
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| Final | Di Girolami T./Van Impe A. | Szostak M./Wargnier L. | 2:0 (6:2, 6:2) | details | 16.06.2023 |
| Semi-finals | Cirotte A./Welker E. | Szostak M./Wargnier L. | 1:2 (7:65, 4:6, 7:10) | details | 15.06.2023 |
| Quarter-finals | Diatlova K./Podrez V. | Szostak M./Wargnier L. | 0:2 (2:6, 3:6) | details | 14.06.2023 |
 Spain: W15 Malaga - Doubles - Main |
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| Quarter-finals | Barrera Aguirre I./Benito M. | Mutavdzic M./Szostak M. | 2:0 (6:4, 7:5) | details | 24.05.2023 |
| 1/8-finals | Mutavdzic M./Szostak M. | Fossa N./Wilson E. | 2:0 (7:65, 6:4) | details | 23.05.2023 |
| Spain: W25 Platja D'Aro - Doubles - Main |
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| Quarter-finals | Mutavdzic M./Szostak M. | Jorge F./Jorge M. | WO. | details | 12.05.2023 |
Luxembourg: W15 Esch/Alzette - Singles - Main