Slovakia: Bratislava 2 - Doubles - Main |
| Semi-finals | Liutarevich I./Pieczonka F. | Rojer J./Winegar T. | 0:2 (3:6, 4:6) | details | 06.11.2026 |
| Quarter-finals | Johnson L./Seggerman R. | Liutarevich I./Pieczonka F. | 0:2 (5:7, 4:6) | details | 05.11.2026 |
| 1/8-finals | Liutarevich I./Pieczonka F. | Kalender A./Serdarusic N. | 2:1 (3:6, 7:64, 10:5) | details | 03.11.2026 |
Kazakhstan: Almaty - Doubles - Main |
| Quarter-finals | Donski A./Pieczonka F. | Bhambri Y./Seggerman R. | 0:2 (66:7, 62:7) | details | 22.10.2026 |
| 1/8-finals | Donski A./Pieczonka F. | Reymond A./Sanchez L. | 2:0 (6:2, 6:1) | details | 19.10.2026 |
Italy: Olbia - Doubles - Main |
| 1/8-finals | Lammons N./Withrow J. | Donski A./Pieczonka F. | 2:0 (6:3, 7:5) | details | 13.10.2026 |
Portugal: Porto - Doubles - Main |
| Final | Latinovic S./Poljicak M. | Donski A./Pieczonka F. | 2:0 (6:3, 6:4) | details | 03.10.2026 |
| Semi-finals | Donski A./Pieczonka F. | Cukierman D./Romboli F. | 2:1 (6:2, 62:7, 10:7) | details | 02.10.2026 |
| Quarter-finals | Behar A./Paris J. | Donski A./Pieczonka F. | 0:2 (2:6, 1:6) | details | 01.10.2026 |
| 1/8-finals | Geerts M./Prashanth V. | Donski A./Pieczonka F. | 0:2 (1:6, 4:6) | details | 30.09.2026 |
France: St. Tropez - Doubles - Main |
| Quarter-finals | Cukierman D./Romboli F. | Donski A./Pieczonka F. | 2:1 (7:66, 62:7, 10:7) | details | 24.09.2026 |
| 1/8-finals | Barrientos N./Jans J. | Donski A./Pieczonka F. | 0:2 (63:7, 3:6) | details | 23.09.2026 |
Poland: Szczecin - Doubles - Main |
| Quarter-finals | Jecan M. A./Pavel B. | Matuszewski P./Pieczonka F. | 2:1 (6:1, 3:6, 10:6) | details | 17.09.2026 |
| 1/8-finals | Cornea V. V./Jans J. | Matuszewski P./Pieczonka F. | 0:2 (4:6, 4:6) | details | 16.09.2026 |
USA: US Open - Doubles - Main |
| 1/32-finals | Pieczonka F./Stevens B. | Krajicek A./Mektic N. | 0:2 (1:6, 61:7) | details | 05.09.2026 |
Poland: Grodzisk Mazowiecki - Doubles - Main |
| Final | Cervantes I./Molchanov D. | Lalami Laaroussi Y./Pieczonka F. | 0:2 (0:6, 4:6) | details | 08.08.2026 |
| Semi-finals | Cornea V. V./Cukierman D. | Lalami Laaroussi Y./Pieczonka F. | 1:2 (6:3, 3:6, 8:10) | details | 07.08.2026 |
| Quarter-finals | Lalami Laaroussi Y./Pieczonka F. | Kielan S./Matuszewski P. | 2:1 (3:6, 6:3, 10:5) | details | 06.08.2026 |
| 1/8-finals | Henning P./Sakellaridis D. | Lalami Laaroussi Y./Pieczonka F. | 1:2 (7:65, 66:7, 3:10) | details | 05.08.2026 |
San Marino: San Marino - Doubles - Main |
| Semi-finals | Latinovic S./Poljicak M. | Matuszewski P./Pieczonka F. | 2:0 (6:3, 7:64) | details | 31.07.2026 |
| Quarter-finals | Matuszewski P./Pieczonka F. | Johnson L./Stevens B. | 2:0 (6:4, 6:4) | details | 30.07.2026 |
| 1/8-finals | Prado Angelo J. C./Zeballos F. | Matuszewski P./Pieczonka F. | 0:2 (63:7, 63:7) | details | 28.07.2026 |
Switzerland: Zug - Doubles - Main |
| Semi-finals | Paris J./Pieczonka F. | Paulson A./Poljak D. | 0:2 (63:7, 4:6) | details | 24.07.2026 |
| Quarter-finals | Paris J./Pieczonka F. | Martos Gornes S./Walkow S. | 2:0 (6:4, 6:3) | details | 23.07.2026 |
| 1/8-finals | Paris J./Pieczonka F. | Alcala Gurri M./Brancaccio R. | 2:1 (6:4, 3:6, 12:10) | details | 22.07.2026 |
Sweden: Bastad - Doubles - Main |
| 1/8-finals | Drzewiecki K./Pieczonka F. | Rojer J./Winegar T. | 0:2 (3:6, 4:6) | details | 14.07.2026 |
Germany: Braunschweig - Doubles - Main |
| Semi-finals | Luz O./Matos R. | Pieczonka F./Vrbensky M. | 2:0 (6:2, 6:2) | details | 10.07.2026 |
| Quarter-finals | Gonzalez S./Hidalgo D. | Pieczonka F./Vrbensky M. | 1:2 (6:3, 60:7, 8:10) | details | 09.07.2026 |
| 1/8-finals | Jarvis R./Vance J. | Pieczonka F./Vrbensky M. | 0:2 (4:6, 3:6) | details | 08.07.2026 |
United Kingdom: Wimbledon - Doubles - Main |
| 1/16-finals | Doumbia S./Reboul F. | Kopriva V./Pieczonka F. | 2:1 (6:2, 3:6, 6:3) | details | 04.07.2026 |
| 1/32-finals | Hanfmann Y./Struff J-L. | Kopriva V./Pieczonka F. | WO. | details | 03.07.2026 |
Poland: Poznan - Doubles - Main |
| 1/8-finals | Liutarevich I./Pieczonka F. | Drzewiecki K./Matuszewski P. | 1:2 (3:6, 6:2, 4:10) | details | 17.06.2026 |
Slovakia: Bratislava - Doubles - Main |
| 1/8-finals | Barton H./Duda F. | Liutarevich I./Pieczonka F. | 2:0 (6:3, 6:4) | details | 10.06.2026 |
Czech Republic: Prostejov - Doubles - Main |
| Final | Liutarevich I./Pieczonka F. | Karol M./Paulson A. | 0:2 (3:6, 3:6) | details | 06.06.2026 |
| Semi-finals | Liutarevich I./Pieczonka F. | Drzewiecki K./Matuszewski P. | 2:0 (6:2, 6:3) | details | 05.06.2026 |
| Quarter-finals | Liutarevich I./Pieczonka F. | Kalender A./Sabanov I. | 2:0 (6:2, 6:2) | details | 04.06.2026 |