| 2026-05-09 | Rome Masters | Clay | R64 | 1 |  Jannik Sinner (1) | 82 |  Sebastian Ofner | 6-3 6-4 | H2H | 3 | 100 | 3 | 1 | 61.1% | 81.8% | 71.4% | 0/0 |
| 2026-05-07 | Rome Masters | Clay | R128 | 82 | Sebastian Ofner | 42 |  Alex Michelsen | 6-3 6-3 | H2H | 3 | 75 | 4 | 1 | 52.5% | 84.4% | 51.7% | 1/1 |
| 2026-04-24 | Madrid Masters | Clay | R64 | 29 |  Tomas Martin Etcheverry (25) | 83 | Sebastian Ofner | 6-4 6-4 | H2H | 3 | 78 | 5 | 1 | 68.6% | 88.6% | 62.5% | 0/0 |
| 2026-04-22 | Madrid Masters | Clay | R128 | 83 | Sebastian Ofner | 120 |  Nikoloz Basilashvili | 7-6(5) 7-6(0) | H2H | 3 | 99 | 18 | 2 | 57.5% | 84.0% | 54.1% | 6/7 |
| 2026-04-14 | Barcelona | Clay | R32 | 7 |  Alex de Minaur (3) | 86 | Sebastian Ofner | 7-6(7) 6-4 | H2H | 3 | 105 | 3 | 4 | 45.7% | 86.5% | 54.5% | 4/4 |
| 2026-02-06 | Davis Cup QLS R1: JPN vs AUT | Hard | RR | 166 |  Yosuke Watanuki | 135 | Sebastian Ofner | 6-3 6-4 | H2H | 3 | 73 | 5 | 2 | 62.7% | 81.3% | 63.2% | 0/1 |
| 2025-10-13 | Stockholm | Hard | R32 | 622 |  Leo Borg | 140 | Sebastian Ofner | 6-3 6-4 | H2H | 3 | 75 | 2 | 4 | 64.6% | 73.8% | 65.2% | 1/1 |
| 2025-10-01 | Shanghai | Hard | R128 | 85 | Luca Nardi | 137 | Sebastian Ofner | 3-6 6-3 6-2 | H2H | 3 | 107 | 5 | 5 | 60.5% | 77.6% | 56.3% | 7/8 |
| 2025-08-24 | US Open | Hard | R128 | 12 |  Casper Ruud (12) | 140 | Sebastian Ofner | 6-1 6-2 7-6(5) | H2H | 5 | 116 | 9 | 2 | 55.6% | 82.0% | 60.0% | 4/4 |
| 2025-08-18 | Winston-Salem | Hard | R64 | 87 |  Vit Kopriva | 141 | Sebastian Ofner | 3-6 6-4 6-3 | H2H | 3 | 118 | 2 | 9 | 56.0% | 83.0% | 48.6% | 4/6 |
