Spain: Madrid - Singles - Qualification |
| Semi-finals | Mochizuki S. | Muller A. | 1:0 RET. (7:67, 2:0) | details | 22.04.2024 |
Spain: Barcelona - Singles - Main |
| 1/16-finals | Muller A. | Ruud C. | 0:2 (3:6, 4:6) | details | 17.04.2024 |
| 1/32-finals | Muller A. | Ramos A. | 2:0 (7:64, 6:0) | details | 15.04.2024 |
Monaco: Monte Carlo - Singles - Qualification |
| Final | Muller A. | Nardi L. | 1:2 (6:3, 4:6, 4:6) | details | 07.04.2024 |
| Semi-finals | Lajovic D. | Muller A. | 0:2 (2:6, 3:6) | details | 06.04.2024 |
Morocco: Marrakech - Singles - Main |
| 1/16-finals | Vukic A. | Muller A. | 2:0 (6:3, 7:65) | details | 02.04.2024 |
USA: Miami - Singles - Main |
| 1/64-finals | Muller A. | Kwon S. | 0:2 (63:7, 3:6) | details | 21.03.2024 |
USA: Phoenix - Singles - Main |
| 1/16-finals | Muller A. | Borges N. | 0:2 (2:6, 4:6) | details | 13.03.2024 |
USA: Indian Wells - Singles - Main |
| 1/32-finals | Muller A. | Dimitrov G. | 0:2 (5:7, 2:6) | details | 09.03.2024 |
| 1/64-finals | Grenier H. | Muller A. | 0:2 (65:7, 5:7) | details | 08.03.2024 |
United Arab Emirates: Dubai - Singles - Qualification |
| Semi-finals | Muller A. | Zeppieri G. | 1:2 (6:1, 4:6, 2:6) | details | 24.02.2024 |
Qatar: Doha - Singles - Main |
| 1/16-finals | Muller A. | Murray A. | 0:2 (1:6, 65:7) | details | 20.02.2024 |
Qatar: Doha - Singles - Qualification |
| Final | Muller A. | Klein L. | 2:0 (6:4, 6:4) | details | 18.02.2024 |
| Semi-finals | Muller A. | Ritschard A. | 2:0 (6:1, 6:2) | details | 17.02.2024 |
France: Marseille - Singles - Main |
| 1/16-finals | Zhang Z. | Muller A. | CAN. | details | 06.02.2024 |
France: Montpellier - Singles - Main |
| 1/8-finals | Mmoh M. | Muller A. | 2:0 (6:4, 6:4) | details | 31.01.2024 |
| 1/16-finals | Escoffier A. | Muller A. | 0:2 (64:7, 3:6) | details | 30.01.2024 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Muller A. | Grenier H. | 2:3 (6:2, 63:7, 6:4, 4:6, 67:7) | details | 15.01.2024 |
New Zealand: Auckland - Singles - Main |
| Quarter-finals | Muller A. | Daniel T. | 1:2 (4:6, 7:63, 3:6) | details | 11.01.2024 |
| 1/8-finals | Cerundolo F. | Muller A. | 0:2 (1:6, 1:6) | details | 10.01.2024 |
| 1/16-finals | Muller A. | Bonzi B. | 2:0 (6:3, 7:5) | details | 08.01.2024 |
New Zealand: Auckland - Singles - Qualification |
| Final | Muller A. | Lestienne C. | 2:1 (6:4, 2:6, 6:4) | details | 06.01.2024 |
| Semi-finals | Muller A. | Serdarusic N. | 2:0 (6:3, 6:4) | details | 06.01.2024 |
| Semi-finals | Muller A. | Shapovalov D. | CAN. | details | 06.01.2024 |
Australia: Canberra - Singles - Main |
| 1/16-finals | Nakashima B. | Muller A. | 2:1 (5:7, 7:67, 7:65) | details | 01.01.2024 |
Finland: Helsinki - Singles - Main |
| Quarter-finals | Muller A. | Rinderknech A. | 1:2 (7:67, 3:6, 1:6) | details | 10.11.2023 |
| 1/8-finals | Muller A. | Lajal M. | 2:1 (6:1, 0:6, 6:1) | details | 08.11.2023 |
| 1/16-finals | Muller A. | Vasa E. | 2:0 (6:4, 6:3) | details | 06.11.2023 |
France: Paris - Singles - Main |
| 1/32-finals | Muller A. | Safiullin R. | 0:2 (64:7, 3:6) | details | 30.10.2023 |
| 1/32-finals | Muller A. | Norrie C. | CAN. | details | 30.10.2023 |
Austria: Vienna - Singles - Main |
| 1/16-finals | Muller A. | Paul T. | 0:2 (3:6, 1:6) | details | 24.10.2023 |
Austria: Vienna - Singles - Qualification |
| Final | Sonego L. | Muller A. | 1:2 (6:1, 3:6, 4:6) | details | 22.10.2023 |
| Semi-finals | Harris L. | Muller A. | 0:2 (1:6, 4:6) | details | 21.10.2023 |
Italy: Olbia - Singles - Main |
| 1/8-finals | Muller A. | Blanchet U. | 0:2 (68:7, 4:6) | details | 19.10.2023 |
| 1/16-finals | Muller A. | Fognini F. | 2:1 (3:6, 7:65, 7:63) | details | 17.10.2023 |
China: Shanghai - Singles - Main |
| 1/64-finals | Kukushkin M. | Muller A. | 2:1 (66:7, 6:3, 6:2) | details | 05.10.2023 |
Kazakhstan: Astana - Singles - Qualification |
| Final | Muller A. | Gerasimov E. | 0:2 (4:6, 63:7) | details | 27.09.2023 |
| Semi-finals | Muller A. | Maulenov T. | 2:0 (6:4, 6:2) | details | 26.09.2023 |
China: Zhuhai - Singles - Main |
| 1/8-finals | Korda S. | Muller A. | 2:1 (6:1, 2:6, 6:3) | details | 23.09.2023 |
| 1/16-finals | Muller A. | Hijikata R. | 2:0 (6:3, 6:2) | details | 21.09.2023 |
France: Cassis - Singles - Main |
| Semi-finals | Muller A. | Machac T. | 1:2 (6:3, 3:6, 68:7) | details | 09.09.2023 |
| Quarter-finals | Muller A. | Zeppieri G. | 2:0 (6:4, 6:2) | details | 08.09.2023 |
| 1/8-finals | Muller A. | Lokoli L. | 2:0 (6:3, 6:2) | details | 07.09.2023 |