| 2026-09-23 | Chengdu Open | SF | Luke Johnson / Jan Zielinski (com Mark Wallner) | 3-6 2-6 | derrota |
| 2026-09-23 | Chengdu Open | QF | Marcelo Melo / Ryan Seggerman (com Mark Wallner) | 7-6 7-6 | vitória |
| 2026-09-23 | Chengdu Open | R16 | Petr Bar Biryukov / Grigoriy Lomakin (com Mark Wallner) | 6-4 7-6 | vitória |
| 2026-08-30 | US Open | R32 | Sadio Doumbia / Fabien Reboul (com Mark Wallner) | 7-6 2-6 6-4 | vitória |
| 2026-08-30 | US Open | R64 | Yannik Alvarez / Noah Johnston (com Mark Wallner) | 6-3 7-6 | vitória |
| 2026-08-30 | US Open | R16 | Christian Harrison / Neal Skupski (com Mark Wallner) | 3-6 6-7 | derrota |
| 2026-08-23 | Winston-Salem Open | QF | Theo Arribage / Manuel Guinard (com Mark Wallner) | 6-7 2-6 | derrota |
| 2026-08-23 | Winston-Salem Open | R16 | Nathaniel Lammons / Jackson Withrow (com Mark Wallner) | 6-7 6-3 10-8 | vitória |
| 2026-08-13 | Cincinnati Open | R16 | Sadio Doumbia / Fabien Reboul (com Mark Wallner) | 4-6 4-6 | derrota |
| 2026-08-13 | Cincinnati Open | R32 | Kevin Krawietz / Tim Puetz (com Mark Wallner) | 7-6 4-6 10-6 | vitória |
| 2026-08-02 | Omnium Banque Nationale présenté par Rogers | R32 | Theo Arribage / Albano Olivetti (com Mark Wallner) | 3-6 7-6 7-10 | derrota |
| 2026-07-20 | Generali Open | F | Lucas Miedler / Marc Polmans (com Mark Wallner) | 2-6 2-6 | derrota |
| 2026-07-20 | Generali Open | SF | Pierre-Hugues Herbert / Kevin Krawietz (com Mark Wallner) | 6-2 2-6 10-8 | vitória |
| 2026-07-20 | Generali Open | QF | Andres Molteni / Patrik Trhac (com Mark Wallner) | 6-3 6-2 | vitória |
| 2026-07-20 | Generali Open | R16 | Hendrik Jebens / Matej Vocel (com Mark Wallner) | 7-6 6-4 | vitória |
| 2026-07-13 | EFG Swiss Open Gstaad | QF | Marcelo Demoliner / Robert Galloway (com Mark Wallner) | 3-6 5-7 | derrota |
| 2026-07-13 | EFG Swiss Open Gstaad | R16 | Anirudh Chandrasekar / Takeru Yuzuki (com Mark Wallner) | 6-4 6-7 10-7 | vitória |
| 2026-06-29 | Wimbledon | R64 | Rinky Hijikata / Marc Polmans (com Mark Wallner) | 6-7 7-6 6-7 | derrota |
| 2026-06-21 | Vanda Pharmaceuticals Mallorca Championships | R16 | Adam Pavlasek / Patrik Rikl (com Mark Wallner) | 6-7 4-6 | derrota |
| 2026-06-15 | Terra Wortmann Open | QF | Robert Galloway / John Peers (com Mark Wallner) | 3-6 6-7 | derrota |
| 2026-06-15 | Terra Wortmann Open | R16 | Tomas Martin Etcheverry / Miomir Kecmanovic (com Mark Wallner) | 7-6 6-3 | vitória |
| 2026-06-08 | Boss Open | R16 | Daniil Glinka / Stefanos Sakellaridis (com Mark Wallner) | 7-6 4-6 4-10 | derrota |
| 2026-05-17 | Bitpanda Hamburg Open | SF | Sadio Doumbia / Fabien Reboul (com Mark Wallner) | 7-6 3-6 5-10 | derrota |
| 2026-05-17 | Bitpanda Hamburg Open | QF | Christian Harrison / Neal Skupski (com Mark Wallner) | 7-5 6-4 | vitória |
| 2026-05-17 | Bitpanda Hamburg Open | R16 | Francisco Cabral / Joe Salisbury (com Mark Wallner) | 2-6 6-3 10-8 | vitória |
| 2026-05-06 | Internazionali BNL d'Italia | R16 | Christian Harrison / Neal Skupski (com Mark Wallner) | 4-6 7-5 9-11 | derrota |
| 2026-05-06 | Internazionali BNL d'Italia | R32 | Maximo Gonzalez / Andres Molteni (com Mark Wallner) | 6-3 7-5 | vitória |
| 2026-04-28 | Open Aix Provence Crédit Agricole | QF | Ray Ho / Hendrik Jebens (com Mark Wallner) | 6-3 6-7 8-10 | derrota |
| 2026-04-28 | Open Aix Provence Crédit Agricole | R16 | Remy Bertola / Gregoire Jacq (com Mark Wallner) | 4-6 6-4 10-6 | vitória |
| 2026-04-22 | Mutua Madrid Open | R32 | Francisco Cabral / Joe Salisbury (com Mark Wallner) | 3-6 6-7 | derrota |