 Germany: M15 Meerbusch - Doubles - Main |
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| 1/8-finals | Beaupain S./Opitz J. | Sperle J./Vankan M. | 1:2 (6:4, 3:6, 6:10) | details | 23.04.2024 |
 France: M15 Lons-le-Saunier - Doubles - Main |
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| 1/8-finals | Garcian A./Nagel A. | Markiewicz J./Opitz J. | 2:0 (6:3, 6:4) | details | 02.04.2024 |
| France: M25 Saint Dizier - Doubles - Main |
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| 1/8-finals | Berger A./Cooper S. | Markiewicz J./Opitz J. | 2:1 (62:7, 6:4, 10:6) | details | 26.03.2024 |
| Germany: M15 Oberhaching - Doubles - Main |
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| 1/8-finals | Giacomini L./Opitz J. | Dedura-Palomero M./Marysko V. | WO. | details | 14.02.2024 |
| Germany: M25 Nussloch - Doubles - Main |
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| 1/8-finals | Opitz J./Steiner M. | Echeverria J./Naw H. | 0:2 (4:6, 4:6) | details | 23.01.2024 |
| Germany: M15 Cadolzburg - Doubles - Main |
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| Quarter-finals | Masur D./Wehnelt K. | Lane L./Opitz J. | 2:0 (7:66, 6:3) | details | 17.01.2024 |
| 1/8-finals | Lane L./Opitz J. | Janousek L./Schmidt M. | 2:0 (6:2, 6:2) | details | 16.01.2024 |
| France: M25 Sarreguemines - Doubles - Main |
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| Final | Schnaitter J./Wallner M. | Opitz J./Zahraj P. | 2:1 (6:3, 5:7, 10:8) | details | 28.10.2023 |
| Semi-finals | Opitz J./Zahraj P. | Somani P./Sultanov K. | 2:1 (6:3, 2:6, 10:8) | details | 27.10.2023 |
| Quarter-finals | Opitz J./Zahraj P. | Ejupovic E./Masur D. | WO. | details | 26.10.2023 |
| 1/8-finals | Jucha W./Namigandet Tenguere L. | Opitz J./Zahraj P. | 0:2 (67:7, 4:6) | details | 24.10.2023 |
| France: M15 Villers-les-Nancy - Doubles - Main |
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| Final | Dahlin M./Romano F. | Opitz J./Zahraj P. | 2:0 (6:2, 6:2) | details | 20.10.2023 |
| Semi-finals | Opitz J./Zahraj P. | Bouquet L./Voisin E. | 2:1 (3:6, 6:2, 10:7) | details | 19.10.2023 |
| Quarter-finals | Dubouch M./Martin B. | Opitz J./Zahraj P. | 0:2 (1:6, 1:6) | details | 18.10.2023 |
| 1/8-finals | Colne N./Gomez G. | Opitz J./Zahraj P. | 0:2 (2:6, 3:6) | details | 17.10.2023 |
| Germany: M15 Trier - Doubles - Main |
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| Quarter-finals | Cubelic K./Opitz J. | Baum S./Kalina V. | 1:2 (4:6, 6:3, 2:10) | details | 23.08.2023 |
| 1/8-finals | Cubelic K./Opitz J. | Antonio J./Campbell N. | 2:0 (6:3, 6:2) | details | 22.08.2023 |
| Germany: M25 Wetzlar - Doubles - Main |
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| 1/8-finals | Caripi V./Gerch L. | Opitz J./Steiner M. | 2:1 (7:5, 4:6, 10:8) | details | 02.08.2023 |
| Germany: M15 Uslar - Doubles - Main |
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| Quarter-finals | Negritu Ch./Oetzbach A. | Opitz J./Zeuch T. | 2:1 (6:4, 62:7, 10:5) | details | 20.07.2023 |
| 1/8-finals | Osusky J./Salazar D. | Opitz J./Zeuch T. | WO. | details | 20.07.2023 |
| Germany: M25 Marburg - Doubles - Main |
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| Quarter-finals | Pokorny L./Stodder T. | Opitz J./Zeuch T. | 2:1 (7:5, 66:7, 10:8) | details | 06.07.2023 |
| 1/8-finals | Opitz J./Zeuch T. | Egbring M./Sickenberger T. | 2:0 (6:4, 6:1) | details | 05.07.2023 |
| Germany: M15 Saarlouis - Doubles - Main |
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| 1/8-finals | Elsayed A./Tkemaladze Z. | Opitz J./Zeuch T. | 2:1 (6:4, 4:6, 10:5) | details | 20.06.2023 |
| Germany: M25 Nussloch - Doubles - Main |
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| 1/8-finals | Sandkaulen T./Schell N. | Broska F./Opitz J. | 2:0 (6:3, 6:4) | details | 24.01.2023 |
| France: M25 Veigy-Foncenex - Doubles - Main |
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| 1/8-finals | Pecci A./Serafini M. | Opitz J./Strombachs R. | 2:1 (6:4, 4:6, 10:5) | details | 11.01.2023 |
 Tunisia: M15 Monastir 44 - Doubles - Main |
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| Final | Bittoun C./Jones M. | Opitz J./Steiner M. | 2:1 (63:7, 6:3, 10:6) | details | 12.11.2022 |
| Semi-finals | Bhangdia J./Wiedenmann L. | Opitz J./Steiner M. | 0:2 (2:6, 2:6) | details | 11.11.2022 |
| Quarter-finals | Opitz J./Steiner M. | Ghorbel A./Ouakaa A. | 2:1 (5:7, 7:5, 12:10) | details | 10.11.2022 |
| 1/8-finals | Delage P./Marmousez L. | Opitz J./Steiner M. | 0:2 (2:6, 3:6) | details | 08.11.2022 |
| Tunisia: M15 Monastir 43 - Doubles - Main |
|---|
| Final | Opitz J./Steiner M. | Bittoun C./Jones M. | 1:2 (1:6, 6:4, 7:10) | details | 05.11.2022 |
| Semi-finals | Opitz J./Steiner M. | Beaupain S./Rojas O. | 2:0 (6:2, 6:2) | details | 04.11.2022 |
| Quarter-finals | Donski A./Pichler D. | Opitz J./Steiner M. | 0:2 (1:6, 65:7) | details | 03.11.2022 |
| 1/8-finals | Opitz J./Steiner M. | Goldberg Alviani N. R./Kroslak J. | 2:0 (6:4, 6:4) | details | 01.11.2022 |