 USA: Sarasota - Doubles - Main |
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| 1/8-finals | Fancutt T. J./Reese H. | Daniell M./Schwaerzler J. J. | 2:0 (6:4, 6:4) | details | 10.04.2024 |
 Turkey: M15 Antalya 6 - Doubles - Main |
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| Final | Hrazdil J./Schwaerzler J. J. | Alkaya M./Ozdemir S. M. | 2:0 (6:1, 6:0) | details | 16.03.2024 |
| Semi-finals | Hrazdil J./Schwaerzler J. J. | Dinev D./Ujvary M. | 2:0 (6:3, 6:2) | details | 15.03.2024 |
| Quarter-finals | Hrazdil J./Schwaerzler J. J. | Horoz A./Ilkel B. | 2:1 (6:2, 64:7, 11:9) | details | 14.03.2024 |
| 1/8-finals | Hrazdil J./Schwaerzler J. J. | Fu H./Inoue G. | 2:0 (6:2, 6:4) | details | 12.03.2024 |
 Tunisia: M15 Monastir 7 - Doubles - Main |
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| Semi-finals | Dodig M./Schwaerzler J. J. | Flores J./Potenza L. | WO. | details | 16.02.2024 |
| Quarter-finals | Dodig M./Schwaerzler J. J. | Dussin L./Tessa L. | 2:0 (6:2, 6:3) | details | 15.02.2024 |
| 1/8-finals | Dodig M./Schwaerzler J. J. | Gramaticopolo B./Tabacco F. | 2:0 (6:3, 6:3) | details | 13.02.2024 |
| Tunisia: M15 Monastir 6 - Doubles - Main |
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| Quarter-finals | Flores J./Pujol Navarro B. | Barreto Sanchez D. A./Schwaerzler J. J. | 2:1 (3:6, 6:4, 10:6) | details | 08.02.2024 |
| 1/8-finals | Barreto Sanchez D. A./Schwaerzler J. J. | Castagnola L./Potenza L. | 2:0 (6:1, 6:2) | details | 06.02.2024 |
 Greece: M15 Heraklion 6 - Doubles - Main |
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| Final | Oberleitner N./Schwaerzler J. J. | Tsitsipas Pa./Tsitsipas Pe. | 2:0 (7:64, 6:2) | details | 25.11.2023 |
| Semi-finals | Oberleitner N./Schwaerzler J. J. | Goldenberg L./Vales A. | 2:0 (6:3, 6:0) | details | 24.11.2023 |
| Quarter-finals | Oberleitner N./Schwaerzler J. J. | Nedelchev N./Zhu M. | 2:0 (6:2, 6:2) | details | 24.11.2023 |
| 1/8-finals | Oberleitner N./Schwaerzler J. J. | Maute J./Sakellaridis D. | 2:0 (6:1, 7:5) | details | 21.11.2023 |
| Greece: M15 Heraklion 5 - Doubles - Main |
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| Final | Kyratzis S./Neos E. | Oberleitner N./Schwaerzler J. J. | 0:2 (0:6, 3:6) | details | 18.11.2023 |
| Semi-finals | Stevenson D./Wendelken H. | Oberleitner N./Schwaerzler J. J. | 1:2 (6:4, 63:7, 11:13) | details | 17.11.2023 |
| Quarter-finals | Altuna T./Lalami Laaroussi Y. | Oberleitner N./Schwaerzler J. J. | 0:2 (4:6, 3:6) | details | 16.11.2023 |
| 1/8-finals | Nedelchev N./Zhu M. | Oberleitner N./Schwaerzler J. J. | 0:2 (4:6, 5:7) | details | 15.11.2023 |
| USA: US Open - Doubles - Main |
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| Final | Bondioli F./Schwaerzler J. J. | Dahlin M./Ojakaar O. | 1:2 (6:3, 3:6, 9:11) | details | 10.09.2023 |
| Semi-finals | Demin Y./Pacheco Mendez R. | Bondioli F./Schwaerzler J. J. | 1:2 (7:64, 3:6, 6:10) | details | 09.09.2023 |
| Quarter-finals | Kang K./Williams C. | Bondioli F./Schwaerzler J. J. | 0:2 (3:6, 65:7) | details | 07.09.2023 |
| 1/8-finals | De Michele F./Vulpitta G. | Bondioli F./Schwaerzler J. J. | 0:2 (3:6, 4:6) | details | 06.09.2023 |
| 1/16-finals | Budkov Kjaer N./Poertner L. | Bondioli F./Schwaerzler J. J. | 1:2 (4:6, 7:65, 3:10) | details | 04.09.2023 |
 Austria: M15 Kottingbrunn - Doubles - Main |
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| Final | Karol M./Pichler D. | Kellovsky D./Schwaerzler J. J. | 1:2 (6:3, 3:6, 4:10) | details | 19.08.2023 |
| Semi-finals | Dodig M./Mikrut L. | Kellovsky D./Schwaerzler J. J. | 0:2 (1:6, 2:6) | details | 18.08.2023 |