 Slovakia: M15 Trnava - Doubles - Main |
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| 1/8-finals | Catry R./Nagel A. | De Jonge D./Opitz J. | 2:0 (6:3, 6:4) | dettagli | 24.09.2024 |
 Austria: M15 Vienna - Doubles - Main |
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| Final | Karol M./Lanik T. | De Jonge D./Opitz J. | 2:0 (7:62, 6:4) | dettagli | 31.08.2024 |
| Semi-finals | De Jonge D./Opitz J. | Elsayed A./Safwat M. | 2:0 (6:1, 6:4) | dettagli | 30.08.2024 |
| Quarter-finals | Baxter H./Oplustil P. | De Jonge D./Opitz J. | 0:2 (2:6, 1:6) | dettagli | 29.08.2024 |
| 1/8-finals | Jelinek M./Jozwicki P. | De Jonge D./Opitz J. | 0:2 (4:6, 4:6) | dettagli | 27.08.2024 |
 Belgium: M25 Koksijde - Doubles - Main |
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| Semi-finals | Basile A./Merre N. | De Jonge D./Opitz J. | 2:0 (7:5, 7:65) | dettagli | 15.08.2024 |
| Quarter-finals | De Jonge D./Opitz J. | Van Weldam S./Wassermann D. | 0:0 RET. (2:1) | dettagli | 14.08.2024 |
| 1/8-finals | Calzi R./Raynel A. | De Jonge D./Opitz J. | 0:2 (4:6, 1:6) | dettagli | 13.08.2024 |
 Germany: M25 Wetzlar - Doubles - Main |
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| Quarter-finals | Broska F./Ramskogler G. | Opitz J./Steiner M. | 2:1 (0:6, 7:64, 10:7) | dettagli | 01.08.2024 |
| 1/8-finals | Fusenig T.-F./Melzer L. | Opitz J./Steiner M. | 0:2 (1:6, 1:6) | dettagli | 30.07.2024 |
| Austria: M25 Kramsach - Doubles - Main |
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| Final | Ruehl T./Zahraj P. | Opitz J./Steiner M. | 2:1 (3:6, 7:5, 10:8) | dettagli | 27.07.2024 |
| Semi-finals | Benson M./Vasser O. | Opitz J./Steiner M. | 0:2 (5:7, 3:6) | dettagli | 26.07.2024 |
| Quarter-finals | Gaxherri S./Pinter P. L. | Opitz J./Steiner M. | 0:2 (1:6, 4:6) | dettagli | 25.07.2024 |
| 1/8-finals | Opitz J./Steiner M. | Poljak D./Privara P. B. | 2:0 (6:1, 6:1) | dettagli | 23.07.2024 |
| Germany: M15 Uslar - Doubles - Main |
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| Quarter-finals | Opitz J./Zeuch T. | Falabella L. A./Rodriguez L. J. | 0:2 (66:7, 64:7) | dettagli | 18.07.2024 |
| 1/8-finals | Berrut A./Muamba N. | Opitz J./Zeuch T. | 0:2 (2:6, 4:6) | dettagli | 17.07.2024 |
| Germany: M25 Kassel - Doubles - Main |
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| 1/8-finals | Fix D./Poertner L. | Cubelic K./Opitz J. | 2:1 (2:6, 6:3, 10:5) | dettagli | 10.07.2024 |
| Germany: M25 Marburg - Doubles - Main |
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| 1/8-finals | Handel T./Larwig N. | Opitz J./Zeuch T. | 2:1 (3:6, 6:4, 10:6) | dettagli | 03.07.2024 |
| Belgium: M25 Duffel - Doubles - Main |
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| Semi-finals | Kopp S./Wehnelt K. | Opitz J./Zeuch T. | 2:0 (6:3, 7:5) | dettagli | 21.06.2024 |
| Quarter-finals | Opitz J./Zeuch T. | Collignon K./Van Raemdonck H. | 2:0 (6:4, 6:0) | dettagli | 20.06.2024 |
| 1/8-finals | Opitz J./Zeuch T. | Gabriel N./Gomez Osorio A. | 2:0 (6:4, 6:4) | dettagli | 19.06.2024 |
| 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) | dettagli | 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) | dettagli | 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) | dettagli | 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. | dettagli | 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) | dettagli | 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) | dettagli | 17.01.2024 |
| 1/8-finals | Lane L./Opitz J. | Janousek L./Schmidt M. | 2:0 (6:2, 6:2) | dettagli | 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) | dettagli | 28.10.2023 |
| Semi-finals | Opitz J./Zahraj P. | Somani P./Sultanov K. | 2:1 (6:3, 2:6, 10:8) | dettagli | 27.10.2023 |
| Quarter-finals | Opitz J./Zahraj P. | Ejupovic E./Masur D. | WO. | dettagli | 26.10.2023 |
| 1/8-finals | Jucha W./Namigandet Tenguere L. | Opitz J./Zahraj P. | 0:2 (67:7, 4:6) | dettagli | 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) | dettagli | 20.10.2023 |
| Semi-finals | Opitz J./Zahraj P. | Bouquet L./Voisin E. | 2:1 (3:6, 6:2, 10:7) | dettagli | 19.10.2023 |
| Quarter-finals | Dubouch M./Martin B. | Opitz J./Zahraj P. | 0:2 (1:6, 1:6) | dettagli | 18.10.2023 |
| 1/8-finals | Colne N./Gomez G. | Opitz J./Zahraj P. | 0:2 (2:6, 3:6) | dettagli | 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) | dettagli | 23.08.2023 |
| 1/8-finals | Cubelic K./Opitz J. | Antonio J./Campbell N. | 2:0 (6:3, 6:2) | dettagli | 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) | dettagli | 02.08.2023 |