| 2026-08-30 | US Open | R32 | Ryan Seggerman / Patrik Trhac (com Nikola Mektic) | 3-6 6-3 7-6 | vitória |
| 2026-08-30 | US Open | R64 | Filip Pieczonka / Bart Stevens (com Nikola Mektic) | 6-1 7-6 | vitória |
| 2026-08-30 | US Open | R16 | Simone Bolelli / Andrea Vavassori (com Nikola Mektic) | 6-4 6-7 6-7 | derrota |
| 2026-08-23 | Winston-Salem Open | F | Petr Nouza / Neil Oberleitner (com Nikola Mektic) | 5-7 4-6 | derrota |
| 2026-08-23 | Winston-Salem Open | SF | Theo Arribage / Manuel Guinard (com Nikola Mektic) | 4-6 6-3 10-4 | vitória |
| 2026-08-23 | Winston-Salem Open | QF | Robert Galloway / Andre Goransson (com Nikola Mektic) | 6-3 2-6 10-4 | vitória |
| 2026-08-23 | Winston-Salem Open | R16 | Francisco Cabral / JJ Tracy (com Nikola Mektic) | 7-6 7-5 | vitória |
| 2026-08-13 | Cincinnati Open | R32 | Robert Cash / Brandon Nakashima (com Nikola Mektic) | 7-5 6-4 | vitória |
| 2026-08-02 | Omnium Banque Nationale présenté par Rogers | R32 | Guido Andreozzi / Manuel Guinard (com Nikola Mektic) | 4-6 2-6 | derrota |
| 2026-07-27 | Mubadala DC Open | F | Julian Cash / Lloyd Glasspool (com Nikola Mektic) | 3-6 4-6 | derrota |
| 2026-07-27 | Mubadala DC Open | SF | Hugo Nys / Edouard Roger-Vasselin (com Nikola Mektic) | 7-6 7-6 | vitória |
| 2026-07-27 | Mubadala DC Open | QF | Christian Harrison / Neal Skupski (com Nikola Mektic) | 7-6 6-4 | vitória |
| 2026-07-27 | Mubadala DC Open | R16 | Rafael Jodar / Brandon Nakashima (com Nikola Mektic) | 6-4 6-4 | vitória |
| 2026-06-29 | Wimbledon | QF | Thanasi Kokkinakis / Aleksandar Kovacevic (com Nikola Mektic) | 6-7 3-6 | derrota |
| 2026-06-29 | Wimbledon | R16 | Simone Bolelli / Andrea Vavassori (com Nikola Mektic) | 7-6 4-6 6-4 | vitória |
| 2026-06-29 | Wimbledon | R32 | Ivan Liutarevich / Miguel Reyes-Varela (com Nikola Mektic) | 6-7 7-6 7-6 | vitória |
| 2026-06-29 | Wimbledon | R64 | Marcelo Melo / Andres Molteni (com Nikola Mektic) | 6-1 4-6 6-2 | vitória |
| 2026-06-21 | Vanda Pharmaceuticals Mallorca Championships | R16 | N.Sriram Balaji / Marcelo Demoliner (com Nikola Mektic) | 6-4 6-7 11-13 | derrota |
| 2026-06-15 | HSBC Championships | R16 | Christian Harrison / Neal Skupski (com Nikola Mektic) | 5-7 3-6 | derrota |
| 2026-05-17 | Gonet Geneva Open | R16 | Vasil Kirkov / Bart Stevens (com Nikola Mektic) | 7-5 5-7 10-12 | derrota |
| 2026-05-06 | Internazionali BNL d'Italia | SF | Marcel Granollers / Horacio Zeballos (com Nikola Mektic) | 7-6 5-7 2-10 | derrota |
| 2026-05-06 | Internazionali BNL d'Italia | QF | Alexander Erler / Lucas Miedler (com Nikola Mektic) | 6-4 7-5 | vitória |
| 2026-05-06 | Internazionali BNL d'Italia | R16 | Robert Cash / JJ Tracy (com Nikola Mektic) | 6-4 3-6 10-8 | vitória |
| 2026-05-06 | Internazionali BNL d'Italia | R32 | Francisco Cerundolo / Luciano Darderi (com Nikola Mektic) | 7-6 6-2 | vitória |
| 2026-04-22 | Mutua Madrid Open | R32 | Pablo Llamas Ruiz / Benjamin Winter Lopez (com Nikola Mektic) | 3-6 7-6 10-12 | derrota |
| 2026-04-13 | Barcelona Open Banc Sabadell | R16 | Daniel Rincon / Oriol Roca Batalla (com Nikola Mektic) | 6-7 6-7 | derrota |
| 2026-04-05 | Rolex Monte-Carlo Masters | R16 | Marcelo Arevalo / Mate Pavic (com Nikola Mektic) | 4-6 6-7 | derrota |
| 2026-04-05 | Rolex Monte-Carlo Masters | R32 | Yuki Bhambri / Michael Venus (com Nikola Mektic) | 1-6 6-3 10-7 | vitória |
| 2026-03-18 | Miami Open presented by Itau | QF | Sander Arends / John Patrick Smith (com Nikola Mektic) | 6-4 3-6 8-10 | derrota |
| 2026-03-18 | Miami Open presented by Itau | R16 | Orlando Luz / Rafael Matos (com Nikola Mektic) | 7-5 6-4 | vitória |