Spain: Madrid - Singles - Qualification |
| Semi-finals | Halys Q. | Llamas Ruiz P. | 0:2 (2:6, 4:6) | details | 22.04.2024 |
| Semi-finals | Halys Q. | Garin C. | CAN. | details | 22.04.2024 |
Portugal: Oeiras 3 - Singles - Main |
| 1/16-finals | Halys Q. | Tseng C. H. | 1:2 (6:4, 63:7, 2:6) | details | 16.04.2024 |
| 1/16-finals | Halys Q. | De Jong J. | CAN. | details | 15.04.2024 |
Croatia: Split - Singles - Main |
| 1/8-finals | Kovalik J. | Halys Q. | 2:1 (6:2, 3:6, 6:4) | details | 10.04.2024 |
| 1/16-finals | Gakhov I. | Halys Q. | 0:2 (3:6, 4:6) | details | 08.04.2024 |
Spain: Barcelona - Singles - Main |
| 1/16-finals | Halys Q. | Hardt N. | 1:2 (5:7, 6:1, 4:6) | details | 02.04.2024 |
USA: Miami - Singles - Qualification |
| Semi-finals | Nava E. | Halys Q. | 2:0 (6:4, 7:5) | details | 18.03.2024 |
USA: Phoenix - Singles - Main |
| Quarter-finals | Vukic A. | Halys Q. | 2:0 (6:4, 6:4) | details | 16.03.2024 |
| 1/8-finals | Halys Q. | Nava E. | 2:1 (6:1, 3:6, 6:3) | details | 14.03.2024 |
| 1/16-finals | Wolf J.J. | Halys Q. | 1:2 (6:2, 5:7, 65:7) | details | 13.03.2024 |
USA: Indian Wells - Singles - Qualification |
| Semi-finals | Halys Q. | Quinn E. | 0:2 (1:6, 5:7) | details | 04.03.2024 |
France: Pau - Singles - Main |
| 1/8-finals | Droguet T. | Halys Q. | 2:0 (6:3, 7:5) | details | 22.02.2024 |
| 1/16-finals | Camus C. | Halys Q. | 0:2 (1:6, 2:6) | details | 21.02.2024 |
France: Cherbourg - Singles - Main |
| Semi-finals | Piros Z. | Halys Q. | 2:0 (7:65, 6:3) | details | 17.02.2024 |
| Quarter-finals | Droguet T. | Halys Q. | 1:2 (5:7, 6:4, 3:6) | details | 16.02.2024 |
| 1/8-finals | Naw H. | Halys Q. | 0:2 (3:6, 63:7) | details | 15.02.2024 |
| 1/16-finals | Galarneau A. | Halys Q. | 0:2 (4:6, 4:6) | details | 14.02.2024 |
France: Marseille - Singles - Main |
| 1/16-finals | Auger-Aliassime F. | Halys Q. | 2:0 (6:2, 7:5) | details | 07.02.2024 |
World: Davis Cup - World Group - Singles - Qualification |
| | Tseng C. H. | Halys Q. | 0:2 (3:6, 63:7) | details | 04.02.2024 |
Australia: Australian Open - Singles - Main |
| 1/32-finals | Korda S. | Halys Q. | 3:0 (6:4, 6:4, 6:4) | details | 17.01.2024 |
| 1/64-finals | Halys Q. | Harris L. | 3:1 (4:6, 7:65, 7:5, 7:62) | details | 14.01.2024 |
Australia: Australian Open - Singles - Qualification |
| Quarter-finals | Halys Q. | Dougaz A. | CAN. | details | 09.01.2024 |
Australia: Brisbane - Singles - Qualification |
| Semi-finals | Halys Q. | Klein L. | 0:2 (4:6, 61:7) | details | 30.12.2023 |
France: Paris - Singles - Qualification |
| Semi-finals | Lajovic D. | Halys Q. | 2:1 (3:6, 7:5, 7:60) | details | 28.10.2023 |
Belgium: Antwerp - Singles - Main |
| 1/16-finals | Goffin D. | Halys Q. | 2:0 (6:4, 6:1) | details | 16.10.2023 |
China: Shanghai - Singles - Main |
| 1/32-finals | Halys Q. | Rublev A. | 0:2 (4:6, 5:7) | details | 08.10.2023 |
| 1/64-finals | Karatsev A. | Halys Q. | 1:2 (64:7, 6:3, 2:6) | details | 05.10.2023 |
France: Rennes - Singles - Main |
| 1/16-finals | Halys Q. | Escoffier A. | 1:2 (7:65, 4:6, 3:6) | details | 12.09.2023 |
USA: US Open - Singles - Main |
| 1/64-finals | Halys Q. | Bonzi B. | 1:3 (7:5, 4:6, 4:6, 4:6) | details | 29.08.2023 |
USA: Winston-Salem - Singles - Main |
| 1/32-finals | Diaz Acosta F. | Halys Q. | 2:1 (4:6, 6:2, 6:4) | details | 21.08.2023 |
Portugal: Porto - Singles - Main |
| 1/16-finals | Halys Q. | Elias G. | 0:2 (5:7, 5:7) | details | 01.08.2023 |
United Kingdom: Wimbledon - Singles - Main |
| 1/16-finals | Sinner J. | Halys Q. | 3:1 (3:6, 6:2, 6:3, 6:4) | details | 07.07.2023 |
| 1/32-finals | Vukic A. | Halys Q. | 0:3 (3:6, 1:6, 4:6) | details | 06.07.2023 |
| 1/64-finals | Halys Q. | Evans D. | 3:1 (6:2, 6:3, 65:7, 6:4) | details | 04.07.2023 |
United Kingdom: Hurlingham - Main |
| | Halys Q. | Wu Y. | 2:1 (6:4, 3:6, 10:8) | details | 28.06.2023 |
France: Blois - Singles - Main |
| Final | Halys Q. | Jacquet K. | 1:1 RET. (4:6, 6:2, 2:0) | details | 24.06.2023 |
| Semi-finals | Halys Q. | Hassan B. | 2:0 (6:1, 7:63) | details | 23.06.2023 |
| Quarter-finals | Halys Q. | Olivo R. | 2:0 (6:2, 6:2) | details | 23.06.2023 |
| 1/8-finals | Halys Q. | Mager G. | 2:0 (6:3, 7:65) | details | 21.06.2023 |
| 1/16-finals | Halys Q. | Atmane T. | 2:0 (7:5, 6:4) | details | 19.06.2023 |
France: Lyon - Singles - Main |
| 1/16-finals | Halys Q. | Llamas Ruiz P. | 0:2 (2:6, 2:6) | details | 12.06.2023 |