Spain: Barcelona - Singles - Main |
| 1/16-finals | Ofner S. | Tsitsipas S. | 0:2 (4:6, 5:7) | details | 17.04.2024 |
| 1/32-finals | Kotov P. | Ofner S. | 1:2 (7:5, 3:6, 2:6) | details | 15.04.2024 |
Monaco: Monte Carlo - Singles - Main |
| 1/16-finals | Zverev A. | Ofner S. | 2:0 (6:3, 6:4) | details | 09.04.2024 |
| 1/32-finals | Evans D. | Ofner S. | 0:2 (1:6, 4:6) | details | 08.04.2024 |
Morocco: Marrakech - Singles - Main |
| 1/8-finals | Vukic A. | Ofner S. | 2:1 (7:611, 2:6, 7:67) | details | 04.04.2024 |
USA: Miami - Singles - Main |
| 1/32-finals | Cerundolo F. | Ofner S. | 2:1 (7:62, 62:7, 6:1) | details | 24.03.2024 |
| 1/64-finals | Ofner S. | Nishikori K. | 2:0 (6:3, 6:4) | details | 21.03.2024 |
USA: Phoenix - Singles - Main |
| 1/16-finals | Atmane T. | Ofner S. | 2:1 (7:65, 1:6, 6:4) | details | 14.03.2024 |
USA: Indian Wells - Singles - Main |
| 1/64-finals | Coric B. | Ofner S. | 2:1 (6:2, 3:6, 6:0) | details | 07.03.2024 |
Mexico: Acapulco - Singles - Main |
| 1/8-finals | De Minaur A. | Ofner S. | 2:0 (6:1, 6:3) | details | 29.02.2024 |
| 1/16-finals | Escobedo E. | Ofner S. | 1:2 (7:67, 4:6, 64:7) | details | 27.02.2024 |
Brazil: Rio de Janeiro - Singles - Main |
| 1/16-finals | Ofner S. | Munar J. | 0:2 (3:6, 1:6) | details | 20.02.2024 |
Argentina: Buenos Aires - Singles - Main |
| 1/16-finals | Ofner S. | Coria F. | 1:2 (5:7, 6:4, 5:7) | details | 13.02.2024 |
Argentina: Cordoba - Singles - Main |
| 1/8-finals | Darderi L. | Ofner S. | 2:0 (6:0, 6:3) | details | 08.02.2024 |
World: Davis Cup - World Group I - Singles - Preliminary |
| | Agwi M. | Ofner S. | CAN. | details | 04.02.2024 |
| | O'Hoisin O. | Ofner S. | 0:2 (4:6, 4:6) | details | 03.02.2024 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Ofner S. | Kokkinakis T. | 2:3 (61:7, 6:2, 7:64, 1:6, 68:7) | details | 16.01.2024 |
New Zealand: Auckland - Singles - Main |
| 1/8-finals | Carballes Baena R. | Ofner S. | 2:0 (7:5, 6:3) | details | 10.01.2024 |
| 1/16-finals | Shapovalov D. | Ofner S. | 0:2 (4:6, 2:6) | details | 09.01.2024 |
Hong Kong: Hong Kong - Singles - Main |
| Semi-finals | Ofner S. | Ruusuvuori E. | 1:2 (6:4, 5:7, 3:6) | details | 06.01.2024 |
| Quarter-finals | Ofner S. | Bautista-Agut R. | 2:0 (6:4, 6:4) | details | 05.01.2024 |
| 1/8-finals | Struff J-L. | Ofner S. | 1:2 (7:64, 65:7, 62:7) | details | 04.01.2024 |
| 1/16-finals | Ofner S. | McDonald M. | 2:0 (6:1, 6:2) | details | 02.01.2024 |
Bulgaria: Sofia - Singles - Main |
| Quarter-finals | Ofner S. | Mannarino A. | 1:2 (7:67, 4:6, 3:6) | details | 09.11.2023 |
| 1/8-finals | Ofner S. | O'Connell C. | 2:1 (66:7, 6:4, 6:2) | details | 08.11.2023 |
| 1/16-finals | Ofner S. | Sachko V. | 2:1 (6:4, 3:6, 6:2) | details | 07.11.2023 |
France: Paris - Singles - Qualification |
| Final | Ofner S. | Van De Zandschulp B. | 0:2 (67:7, 2:6) | details | 29.10.2023 |
| Semi-finals | Ofner S. | Atmane T. | 2:1 (5:7, 7:5, 6:4) | details | 28.10.2023 |
Austria: Vienna - Singles - Main |
| 1/16-finals | Zverev A. | Ofner S. | 2:0 (6:4, 6:1) | details | 23.10.2023 |
Japan: Tokyo - Singles - Main |
| 1/8-finals | Auger-Aliassime F. | Ofner S. | 2:0 (6:4, 6:1) | details | 18.10.2023 |
| 1/16-finals | Ofner S. | O'Connell C. | 2:1 (62:7, 7:65, 7:5) | details | 16.10.2023 |
China: Shanghai - Singles - Main |
| 1/32-finals | Paul T. | Ofner S. | 2:0 (6:3, 6:0) | details | 07.10.2023 |
| 1/64-finals | Varillas J. P. | Ofner S. | 0:2 (63:7, 66:7) | details | 05.10.2023 |
Kazakhstan: Astana - Singles - Main |
| Semi-finals | Ofner S. | Mannarino A. | 0:2 (4:6, 2:6) | details | 02.10.2023 |
| Quarter-finals | Thiem D. | Ofner S. | 1:2 (7:5, 4:6, 2:6) | details | 01.10.2023 |
| 1/8-finals | Ofner S. | Bublik A. | 2:0 (6:4, 6:2) | details | 30.09.2023 |
| 1/16-finals | Fucsovics M. | Ofner S. | 1:2 (6:2, 2:6, 3:6) | details | 29.09.2023 |
France: St. Tropez - Singles - Main |
| Quarter-finals | Lestienne C. | Ofner S. | 1:0 RET. (6:1, 0:0) | details | 22.09.2023 |
| 1/8-finals | Krutykh O. | Ofner S. | 1:2 (6:4, 3:6, 4:6) | details | 21.09.2023 |