Australia: Canberra - Doubles - Main |
| Quarter-finals | Romios M. C./Seggerman R. | Mikrut L./Pavlovic L. | 2:0 (6:1, 6:4) | details | 08.01.2026 |
| 1/8-finals | Romios M. C./Seggerman R. | Winter E./Winter H. | 2:0 (7:64, 6:4) | details | 06.01.2026 |
USA: Champaign - Doubles - Main |
| Final | Seggerman R./Smith K. | Harper P./Mitsui S. | 1:2 (5:7, 7:63, 10:12) | details | 15.11.2025 |
| Semi-finals | Duncan S./MacKinlay J. | Seggerman R./Smith K. | 1:2 (5:7, 7:65, 4:10) | details | 14.11.2025 |
| Quarter-finals | Azkara A./Hopper J. | Seggerman R./Smith K. | 0:2 (3:6, 4:6) | details | 13.11.2025 |
| 1/8-finals | Maxted L./Tyler J. | Seggerman R./Smith K. | 0:2 (4:6, 4:6) | details | 12.11.2025 |
Greece: Athens - Doubles - Main |
| Quarter-finals | Gonzalez S./Pel D. | Pavlasek A./Seggerman R. | 2:0 (7:63, 7:63) | details | 05.11.2025 |
| 1/8-finals | Pavlasek A./Seggerman R. | Behar A./Vliegen J. | 2:1 (7:65, 612:7, 10:7) | details | 02.11.2025 |
Slovakia: Bratislava 2 - Doubles - Main |
| 1/8-finals | Hilderbrand T./Seggerman R. | Frantzen C./Haase R. | 0:2 (69:7, 3:6) | details | 28.10.2025 |
France: Brest - Doubles - Main |
| 1/8-finals | Hilderbrand T./Seggerman R. | Reymond A./Sanchez L. | 0:2 (65:7, 4:6) | details | 22.10.2025 |
Kazakhstan: Almaty - Doubles - Main |
| Semi-finals | Romios M. C./Seggerman R. | Schnaitter J./Wallner M. | 0:2 (4:6, 5:7) | details | 17.10.2025 |
| Quarter-finals | Andreozzi G./Guinard M. | Romios M. C./Seggerman R. | 0:2 (3:6, 4:6) | details | 16.10.2025 |
| 1/8-finals | Romios M. C./Seggerman R. | Barrientos N./Jarry N. | 2:0 (6:2, 6:2) | details | 13.10.2025 |
China: Shanghai - Doubles - Main |
| 1/16-finals | Cerundolo F./Darderi L. | Romios M. C./Seggerman R. | 2:0 (6:3, 7:62) | details | 05.10.2025 |
China: Jingshan - Doubles - Main |
| Quarter-finals | Lammons N./Rojer J. | Romios M. C./Seggerman R. | 2:0 (7:62, 6:4) | details | 26.09.2025 |
| 1/8-finals | Bar Biryukov P./Sharipov M. | Romios M. C./Seggerman R. | 0:2 (65:7, 3:6) | details | 24.09.2025 |
China: Chengdu - Doubles - Main |
| 1/8-finals | Wang A./Zhou Y. | Romios M. C./Seggerman R. | 2:1 (65:7, 6:3, 13:11) | details | 19.09.2025 |
China: Guangzhou 2 - Doubles - Main |
| Final | Romios M. C./Seggerman R. | Uesugi K./Watanabe S. | 2:0 (6:1, 6:3) | details | 13.09.2025 |
| Semi-finals | Romios M. C./Seggerman R. | Bar Biryukov P./Sharipov M. | 2:0 (6:4, 6:2) | details | 12.09.2025 |
| Quarter-finals | Romios M. C./Seggerman R. | Binda A./Simakin I. | 2:0 (7:5, 6:3) | details | 12.09.2025 |
| 1/8-finals | Romios M. C./Seggerman R. | Te R./Wang A. | 2:1 (6:4, 5:7, 10:6) | details | 11.09.2025 |
USA: US Open - Doubles - Main |
| 1/32-finals | Romios M. C./Seggerman R. | Machac T./Vocel M. | 1:2 (613:7, 7:5, 3:6) | details | 30.08.2025 |
USA: Sumter - Doubles - Main |
| Final | Seggerman R./Trhac P. | Balaji N. S./Bollipalli R. | 2:0 (6:4, 7:63) | details | 17.08.2025 |
| Semi-finals | Jung J./Stalder R. | Seggerman R./Trhac P. | 0:2 (4:6, 4:6) | details | 16.08.2025 |
| Quarter-finals | Seggerman R./Trhac P. | Westphal M./Winegar T. | 2:0 (6:4, 7:66) | details | 15.08.2025 |
USA: Chicago - Doubles - Main |
| Final | Kiger M./Seggerman R. | Winegar T./Zheng M. | 2:1 (6:4, 3:6, 10:5) | details | 10.08.2025 |
| Semi-finals | Kiger M./Seggerman R. | Harper C./Suresh D. | 2:0 (7:63, 7:65) | details | 08.08.2025 |
| Quarter-finals | King E./Withrow J. | Kiger M./Seggerman R. | 0:2 (65:7, 2:6) | details | 08.08.2025 |
| 1/8-finals | Kiger M./Seggerman R. | Pacheco Mendez R./Vallejo D. | 2:1 (64:7, 6:2, 10:3) | details | 06.08.2025 |
Croatia: Umag - Doubles - Main |
| 1/8-finals | Arribage T./Luz O. | Harper C./Seggerman R. | 2:0 (6:3, 6:4) | details | 22.07.2025 |
Sweden: Bastad - Doubles - Main |
| 1/8-finals | Matos R./Melo M. | Harper C./Seggerman R. | 2:0 (7:5, 7:5) | details | 15.07.2025 |
Romania: Iasi - Doubles - Main |
| Final | Harper C./Seggerman R. | Kielan S./Pieczonka F. | 0:2 (5:7, 3:6) | details | 13.07.2025 |
| Semi-finals | Harper C./Seggerman R. | Banthia S./Donski A. | 2:1 (3:6, 7:5, 10:8) | details | 12.07.2025 |
| Quarter-finals | Harper C./Seggerman R. | Dellien Velasco M. A./Zeballos F. | 2:0 (6:4, 7:64) | details | 11.07.2025 |
| 1/8-finals | Harper C./Seggerman R. | Roca Batalla O./Taberner C. | WO. | details | 09.07.2025 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/16-finals | Krawietz K./Puetz T. | Romios M. C./Seggerman R. | 2:0 (6:3, 7:63) | details | 04.07.2025 |
| 1/32-finals | Romios M. C./Seggerman R. | Kadhe A./Kopriva V. | 2:0 (6:4, 6:4) | details | 03.07.2025 |
| 1/32-finals | Romios M. C./Seggerman R. | Darderi L./Hidalgo D. | CAN. | details | 03.07.2025 |
Italy: Milan - Doubles - Main |
| Final | Romios M. C./Seggerman R. | Goldhoff G./Ho R. | 2:1 (3:6, 7:5, 10:8) | details | 28.06.2025 |
| Semi-finals | Romios M. C./Seggerman R. | Bayldon B./Hermans M. | 2:0 (6:4, 6:4) | details | 27.06.2025 |
| Quarter-finals | Romios M. C./Seggerman R. | Liutarevich I./Veldheer M. | 2:1 (6:4, 64:7, 10:8) | details | 26.06.2025 |
| 1/8-finals | Romios M. C./Seggerman R. | Hilderbrand T./Kiger M. | 2:1 (6:3, 65:7, 10:6) | details | 24.06.2025 |