| 2026-09-23 | Chengdu Open | F | Robert Galloway / Andre Goransson (com Jan Zielinski) | 7-6 7-5 | vitória |
| 2026-09-23 | Chengdu Open | SF | Jakob Schnaitter / Mark Wallner (com Jan Zielinski) | 6-3 6-2 | vitória |
| 2026-09-23 | Chengdu Open | QF | John Peers / Michael Venus (com Jan Zielinski) | 2-6 6-3 10-7 | vitória |
| 2026-09-23 | Chengdu Open | R16 | Sadio Doumbia / Fabien Reboul (com Jan Zielinski) | 4-6 6-4 10-3 | vitória |
| 2026-08-30 | US Open | R64 | Marcelo Arevalo / Mate Pavic (com Jan Zielinski) | 4-6 6-1 6-7 | derrota |
| 2026-08-23 | Winston-Salem Open | R16 | Lucas Miedler / Marc Polmans (com Jan Zielinski) | 6-4 3-6 7-10 | derrota |
| 2026-08-13 | Cincinnati Open | R32 | Hugo Nys / Edouard Roger-Vasselin (com Jan Zielinski) | 6-3 4-6 3-10 | derrota |
| 2026-07-27 | Internazionali di Tennis San Marino Open | QF | Piotr Matuszewski / Filip Pieczonka (com Bart Stevens) | 4-6 4-6 | derrota |
| 2026-07-27 | Internazionali di Tennis San Marino Open | R16 | Siddhant Banthia / Alexander Donski (com Bart Stevens) | 3-6 6-2 10-7 | vitória |
| 2026-07-20 | Millennium Estoril Open | R16 | Titouan Droguet / Kyrian Jacquet (com Jan Zielinski) | 6-7 1-6 | derrota |
| 2026-07-13 | Nordea Open | R16 | Andrea Pellegrino / Andrea Vavassori (com Jan Zielinski) | 7-6 1-6 8-10 | derrota |
| 2026-06-29 | Wimbledon | R64 | Jakub Paul / Ryan Seggerman (com Jan Zielinski) | 4-6 4-6 | derrota |
| 2026-06-22 | Lexus Eastbourne Open | SF | Hugo Nys / Edouard Roger-Vasselin (com Jan Zielinski) | 4-6 2-6 | derrota |
| 2026-06-22 | Lexus Eastbourne Open | QF | Juan Manuel Cerundolo / Camilo Ugo Carabelli (com Jan Zielinski) | | vitória |
| 2026-06-22 | Lexus Eastbourne Open | R16 | Ben Jones / Joshua Paris (com Jan Zielinski) | 6-7 6-3 10-5 | vitória |
| 2026-06-15 | HSBC Championships | QF | Christian Harrison / Neal Skupski (com Jan Zielinski) | 4-6 4-6 | derrota |
| 2026-06-15 | HSBC Championships | R16 | Jiri Lehecka / Jakub Mensik (com Jan Zielinski) | 3-6 6-3 12-10 | vitória |
| 2026-04-22 | Mutua Madrid Open | SF | Harri Heliovaara / Henry Patten (com Jan Zielinski) | 3-6 3-4 | derrota |
| 2026-04-22 | Mutua Madrid Open | QF | Sadio Doumbia / Fabien Reboul (com Jan Zielinski) | 4-6 6-3 10-6 | vitória |
| 2026-04-22 | Mutua Madrid Open | R16 | Tallon Griekspoor / Brandon Nakashima (com Jan Zielinski) | 6-2 4-6 10-3 | vitória |
| 2026-04-22 | Mutua Madrid Open | R32 | Robert Galloway / Santiago Gonzalez (com Jan Zielinski) | 6-3 6-3 | vitória |
| 2026-04-13 | BMW Open by Bitpanda | QF | Orlando Luz / Rafael Matos (com Jan Zielinski) | 4-6 4-6 | derrota |
| 2026-04-13 | BMW Open by Bitpanda | R16 | Alexander Erler / Lucas Miedler (com Jan Zielinski) | 6-4 6-7 10-6 | vitória |
| 2026-04-05 | Rolex Monte-Carlo Masters | R32 | Marcelo Melo / Alexander Zverev (com Jan Zielinski) | 3-6 3-6 | derrota |
| 2026-03-30 | Grand Prix Hassan II | R16 | Vasil Kirkov / Bart Stevens (com Jan Zielinski) | 4-6 5-7 | derrota |
| 2026-03-18 | Miami Open presented by Itau | R32 | Theo Arribage / Albano Olivetti (com Jan Zielinski) | 4-6 6-7 | derrota |
| 2026-03-10 | Arizona Tennis Classic | SF | Diego Hidalgo / Patrik Trhac (com Jan Zielinski) | 5-7 4-6 | derrota |
| 2026-03-10 | Arizona Tennis Classic | QF | Nicolas Barrientos / Benjamin Kittay (com Jan Zielinski) | 6-4 2-6 10-6 | vitória |
| 2026-03-10 | Arizona Tennis Classic | R16 | Charles Barry / Andres Martin (com Jan Zielinski) | 7-6 6-2 | vitória |
| 2026-03-04 | BNP Paribas Open | R32 | Alexander Erler / Andrea Vavassori (com Jan Zielinski) | 7-6 5-7 8-10 | derrota |