 Austria: Mauthausen - Doubles - Main |
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| 1/8-finals | Oberleitner N./Schwaerzler J. J. | Oswald P./Weissborn S. | 2:0 (7:5, 7:63) | details | 08.05.2024 |
 Italy: Cagliari - Doubles - Main |
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| 1/8-finals | Oswald P./Romboli F. | Erler A./Miedler L. | 0:2 (2:6, 4:6) | details | 30.04.2024 |
 Czech Republic: Ostrava - Doubles - Main |
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| 1/8-finals | Duda F./Forejtek J. | Cornea V. V./Oswald P. | 2:0 (6:3, 6:2) | details | 24.04.2024 |
 Germany: Munich - Doubles - Main |
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| Quarter-finals | Daniell M./Oswald P. | Arribage T./Cornea V. V. | 0:2 (3:6, 61:7) | details | 19.04.2024 |
| 1/8-finals | Schnaitter J./Wallner M. | Daniell M./Oswald P. | 0:2 (4:6, 4:6) | details | 18.04.2024 |
| 1/8-finals | Krawietz K./Puetz T. | Daniell M./Oswald P. | CAN. | details | 17.04.2024 |
 Croatia: Split - Doubles - Main |
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| Quarter-finals | Jebavy R./Oswald P. | Bergevi F./Veldheer M. | 0:2 (2:6, 66:7) | details | 11.04.2024 |
| 1/8-finals | Jebavy R./Oswald P. | Harris B./Taylor A. | 2:0 (6:3, 6:3) | details | 10.04.2024 |
 Morocco: Marrakech - Doubles - Main |
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| 1/8-finals | Ofner S./Oswald P. | Erler A./Miedler L. | 0:2 (3:6, 64:7) | details | 02.04.2024 |
| Italy: Naples 3 - Doubles - Main |
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| Quarter-finals | Andreozzi G./Reyes-Varela M. A. | Jebavy R./Oswald P. | 2:0 (6:3, 6:2) | details | 29.03.2024 |
| 1/8-finals | Marterer M./Napolitano S. | Jebavy R./Oswald P. | CAN. | details | 28.03.2024 |
| 1/8-finals | Cecchinato M./Travaglia S. | Jebavy R./Oswald P. | 0:2 (2:6, 3:6) | details | 28.03.2024 |
 Chile: Santiago - Doubles - Main |
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| 1/8-finals | Cornea V. V./Oswald P. | Hidalgo D./Rodriguez C. | 0:2 (3:6, 2:6) | details | 28.02.2024 |
 Brazil: Rio de Janeiro - Doubles - Qualification |
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| Semi-finals | Cornea V. V./Oswald P. | Hanfmann Y./Varillas J. P. | 0:2 (3:6, 1:6) | details | 17.02.2024 |
 Argentina: Buenos Aires - Doubles - Main |
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| 1/8-finals | Baez S./Seyboth Wild T. | Cornea V. V./Oswald P. | 2:1 (63:7, 6:4, 10:7) | details | 14.02.2024 |
| Argentina: Cordoba - Doubles - Main |
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| Quarter-finals | Cornea V. V./Oswald P. | Doumbia S./Reboul F. | 0:2 (63:7, 3:6) | details | 09.02.2024 |
| 1/8-finals | Cornea V. V./Oswald P. | Andreozzi G./Duran G. | 2:0 (7:65, 7:5) | details | 07.02.2024 |
 Belgium: Ottignies-Louvain-la-Neuve - Doubles - Main |
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| Quarter-finals | Arends S./Verbeek S. | Jebavy R./Oswald P. | 2:1 (4:6, 6:3, 11:9) | details | 26.01.2024 |
| 1/8-finals | Bergevi F./Veldheer M. | Jebavy R./Oswald P. | 1:2 (6:2, 3:6, 7:10) | details | 24.01.2024 |
 Spain: Tenerife - Doubles - Main |
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| Quarter-finals | Jebavy R./Oswald P. | Drzewiecki K./Matuszewski P. | 0:2 (3:6, 3:6) | details | 18.01.2024 |
| 1/8-finals | Jebavy R./Oswald P. | Geerts M./Martos Gornes S. | 2:1 (6:1, 0:6, 12:10) | details | 17.01.2024 |
 Portugal: Oeiras 2 - Doubles - Main |
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| Quarter-finals | Bergevi F./Veldheer M. | Jebavy R./Oswald P. | 2:0 (6:3, 7:5) | details | 11.01.2024 |
| 1/8-finals | Faria J./Rocha H. | Jebavy R./Oswald P. | 1:2 (6:4, 1:6, 8:10) | details | 10.01.2024 |
| Portugal: Maia - Doubles - Main |
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| Semi-finals | Romboli F./Walkow S. | Cornea V. V./Oswald P. | 2:1 (3:6, 7:611, 12:10) | details | 01.12.2023 |
| Quarter-finals | Sultanov K./Uzhylovskyi V. | Cornea V. V./Oswald P. | 0:2 (1:6, 2:6) | details | 30.11.2023 |
| 1/8-finals | Hermans M./Nijboer R. | Cornea V. V./Oswald P. | 1:2 (2:6, 6:2, 5:10) | details | 28.11.2023 |
| Spain: Valencia - Doubles - Main |
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| Semi-finals | Rincon D./Roca Batalla O. | Cornea V. V./Oswald P. | 2:1 (5:7, 6:1, 10:3) | details | 24.11.2023 |
| Quarter-finals | Bortolotti M./Jecan M. A. | Cornea V. V./Oswald P. | 0:2 (66:7, 5:7) | details | 23.11.2023 |
| 1/8-finals | Cordoba C./Parisca I. | Cornea V. V./Oswald P. | 0:2 (1:6, 3:6) | details | 22.11.2023 |
 Bulgaria: Sofia - Doubles - Main |
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| 1/8-finals | Cash J./Mektic N. | Cacic N./Oswald P. | 2:1 (4:6, 6:1, 10:7) | details | 06.11.2023 |
| Germany: Ismaning - Doubles - Main |
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| 1/8-finals | Nouza P./Oswald P. | Balaji N. S./Begemann A. | 0:2 (66:7, 3:6) | details | 31.10.2023 |
| Austria: Vienna - Doubles - Main |
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| Quarter-finals | Ofner S./Oswald P. | Arevalo M./Rojer J. | 0:2 (64:7, 1:6) | details | 26.10.2023 |
| 1/8-finals | Ofner S./Oswald P. | Erler A./Miedler L. | 2:1 (7:64, 4:6, 11:9) | details | 24.10.2023 |
| Belgium: Antwerp - Doubles - Main |
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| Quarter-finals | Haase R./Oswald P. | Arneodo R./Weissborn S. | 0:2 (4:6, 5:7) | details | 19.10.2023 |
| 1/8-finals | Haase R./Oswald P. | Carballes Baena R./Munar J. | 2:1 (63:7, 7:63, 12:10) | details | 17.10.2023 |
 Slovakia: Bratislava 2 - Doubles - Main |
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| Quarter-finals | Bhambri Y./Oswald P. | Behar A./Pavlasek A. | 1:2 (64:7, 6:4, 8:10) | details | 12.10.2023 |
| 1/8-finals | Bhambri Y./Oswald P. | Drzewiecki K./Walkow S. | 2:0 (6:2, 6:3) | details | 10.10.2023 |
 France: Mouilleron-Le-Captif - Doubles - Main |
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| Quarter-finals | Lamasine T./Martineau M. | Bhambri Y./Oswald P. | 2:1 (6:3, 5:7, 11:9) | details | 05.10.2023 |
| 1/8-finals | Arends S./Verbeek S. | Bhambri Y./Oswald P. | 1:2 (6:4, 61:7, 8:10) | details | 04.10.2023 |
| France: Orleans - Doubles - Main |
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| 1/8-finals | Cornea V. V./Oswald P. | Patten H./Smith J. P. | 1:2 (6:4, 3:6, 10:12) | details | 26.09.2023 |
| Austria: Bad Waltersdorf - Doubles - Main |
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| 1/8-finals | Arribage T./Sanchez L. | Oberleitner N./Oswald P. | 2:0 (6:4, 6:4) | details | 20.09.2023 |
 Poland: Szczecin - Doubles - Main |
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| 1/8-finals | Oberleitner N./Oswald P. | King E./Stalder R. | 0:2 (2:6, 5:7) | details | 13.09.2023 |
 USA: US Open - Doubles - Main |
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| 1/32-finals | Behar A./Pavlasek A. | Oswald P./Van De Zandschulp B. | 2:1 (6:3, 65:7, 7:68) | details | 30.08.2023 |
 Bosnia and Herzegovina: Banja Luka - Doubles - Main |
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| Final | Cornea V. V./Oswald P. | Golubev A./Molchanov D. | 2:1 (3:6, 6:1, 15:13) | details | 12.08.2023 |
| Semi-finals | Cornea V. V./Oswald P. | Arias B./Zeballos F. | 2:0 (6:4, 6:3) | details | 11.08.2023 |
| Quarter-finals | Cornea V. V./Oswald P. | Tadic V./Topo M. | 2:0 (6:3, 6:0) | details | 10.08.2023 |
| 1/8-finals | Cornea V. V./Oswald P. | Kolar Z./Serdarusic N. | 2:1 (6:3, 5:7, 10:8) | details | 09.08.2023 |
| Austria: Kitzbuhel - Doubles - Main |
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| 1/8-finals | Demoliner M./Oswald P. | Escobar G./Nedovyesov A. | 0:2 (3:6, 4:6) | details | 02.08.2023 |
| Croatia: Umag - Doubles - Main |
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| 1/8-finals | Arends S./Pel D. | Demoliner M./Oswald P. | 2:1 (3:6, 6:3, 10:5) | details | 26.07.2023 |
 Switzerland: Gstaad - Doubles - Main |
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| 1/8-finals | Barrientos N./Cabal J. S. | Haase R./Oswald P. | 2:0 (7:5, 6:4) | details | 18.07.2023 |