Spain: Barcelona - Singles - Main |
| 1/32-finals | Grenier H. | Carballes Baena R. | 0:2 (2:6, 4:6) | details | 16.04.2024 |
Spain: Barcelona - Singles - Qualification |
| Final | Shang J. | Grenier H. | 2:0 (6:4, 6:4) | details | 14.04.2024 |
| Semi-finals | Alvarez Varona N. | Grenier H. | 0:2 (66:7, 2:6) | details | 13.04.2024 |
Spain: Madrid - Singles - Main |
| 1/16-finals | Grenier H. | Huesler M. | 0:2 (2:6, 2:6) | details | 09.04.2024 |
USA: Miami - Singles - Qualification |
| Final | Seyboth Wild T. | Grenier H. | 2:0 (6:3, 6:4) | details | 19.03.2024 |
| Semi-finals | Grenier H. | Kokkinakis T. | 1:0 RET. (6:4, 4:1) | details | 18.03.2024 |
USA: Phoenix - Singles - Qualification |
| Semi-finals | Moreno De Alboran N. | Grenier H. | 2:1 (2:6, 6:1, 6:4) | details | 11.03.2024 |
USA: Indian Wells - Singles - Main |
| 1/64-finals | Grenier H. | Muller A. | 0:2 (65:7, 5:7) | details | 08.03.2024 |
USA: Indian Wells - Singles - Qualification |
| Final | Molcan A. | Grenier H. | 0:2 (3:6, 2:6) | details | 05.03.2024 |
| Semi-finals | Grenier H. | Medjedovic H. | 2:0 (6:1, 6:1) | details | 04.03.2024 |
United Arab Emirates: Dubai - Singles - Qualification |
| Semi-finals | Grenier H. | Bautista-Agut R. | 0:2 (64:7, 4:6) | details | 24.02.2024 |
Qatar: Doha - Singles - Main |
| 1/8-finals | Grenier H. | Popyrin A. | 1:2 (63:7, 7:68, 1:6) | details | 21.02.2024 |
| 1/16-finals | Marterer M. | Grenier H. | 0:2 (65:7, 5:7) | details | 20.02.2024 |
| 1/16-finals | Griekspoor T. | Grenier H. | CAN. | details | 20.02.2024 |
Qatar: Doha - Singles - Qualification |
| Final | Cressy M. | Grenier H. | 0:2 (4:6, 4:6) | details | 18.02.2024 |
| Semi-finals | Hassan B. | Grenier H. | 1:2 (62:7, 6:2, 3:6) | details | 17.02.2024 |
France: Marseille - Singles - Main |
| 1/16-finals | Korda S. | Grenier H. | 2:1 (6:3, 2:6, 7:63) | details | 06.02.2024 |
France: Marseille - Singles - Qualification |
| Final | Zeppieri G. | Grenier H. | 1:2 (6:3, 5:7, 3:6) | details | 05.02.2024 |
| Semi-finals | Hemery C. | Grenier H. | 0:2 (4:6, 4:6) | details | 04.02.2024 |
France: Montpellier - Singles - Qualification |
| Semi-finals | Grenier H. | Escoffier A. | 0:2 (5:7, 5:7) | details | 28.01.2024 |
Australia: Australian Open - Singles - Main |
| 1/32-finals | Auger-Aliassime F. | Grenier H. | 3:1 (6:1, 3:6, 6:1, 6:2) | details | 18.01.2024 |
| 1/64-finals | Muller A. | Grenier H. | 2:3 (6:2, 63:7, 6:4, 4:6, 67:7) | details | 15.01.2024 |
Australia: Australian Open - Singles - Qualification |
| Final | Mpetshi Perricard G. | Grenier H. | 1:2 (7:5, 4:6, 64:7) | details | 12.01.2024 |
| Semi-finals | Grenier H. | Cressy M. | 2:1 (4:6, 6:2, 6:3) | details | 11.01.2024 |
| Quarter-finals | Lajal M. | Grenier H. | 0:2 (4:6, 2:6) | details | 10.01.2024 |
New Caledonia: Noumea - Singles - Main |
| 1/16-finals | Grenier H. | Bouzige M. | 1:2 (6:4, 3:6, 62:7) | details | 02.01.2024 |
France: Metz - Singles - Qualification |
| Semi-finals | Grenier H. | Valkusz M. | 0:2 (64:7, 2:6) | details | 04.11.2023 |
Italy: Bergamo - Singles - Main |
| 1/8-finals | Grenier H. | Fognini F. | 1:2 (7:62, 2:6, 65:7) | details | 02.11.2023 |
| 1/16-finals | Bailly G. A. | Grenier H. | 0:2 (2:6, 4:6) | details | 31.10.2023 |
Belgium: Antwerp - Singles - Qualification |
| Semi-finals | Grenier H. | Zeppieri G. | 0:2 (3:6, 4:6) | details | 15.10.2023 |
Spain: Malaga - Singles - Main |
| 1/16-finals | Grenier H. | Galan D. E. | 0:2 (3:6, 5:7) | details | 10.10.2023 |
Spain: Alicante - Singles - Main |
| Final | Lestienne C. | Grenier H. | 2:1 (610:7, 6:2, 6:4) | details | 08.10.2023 |
| Semi-finals | Grenier H. | Novak D. | 2:1 (4:6, 6:4, 6:3) | details | 07.10.2023 |
| Quarter-finals | Grenier H. | Harris B. | 2:0 (6:3, 6:4) | details | 06.10.2023 |
| 1/8-finals | Echargui M. | Grenier H. | 0:2 (4:6, 4:6) | details | 05.10.2023 |
| 1/16-finals | Neuchrist M. | Grenier H. | 0:2 (4:6, 3:6) | details | 03.10.2023 |
France: Orleans - Singles - Main |
| 1/16-finals | Nardi L. | Grenier H. | 2:0 (7:65, 6:3) | details | 25.09.2023 |
France: St. Tropez - Singles - Main |
| 1/16-finals | Grenier H. | Albot R. | 0:2 (4:6, 3:6) | details | 19.09.2023 |
USA: US Open - Singles - Qualification |
| Quarter-finals | Gaio F. | Grenier H. | 2:1 (3:6, 6:3, 6:2) | details | 22.08.2023 |
Portugal: Porto - Singles - Main |
| 1/16-finals | Grenier H. | Faria J. | 0:2 (4:6, 3:6) | details | 01.08.2023 |
Spain: Segovia - Singles - Main |
| 1/16-finals | Palan D. | Grenier H. | 1:0 RET. (6:4, 4:1) | details | 25.07.2023 |
Spain: Pozoblanco - Singles - Main |
| Final | Grenier H. | Ficovich J. P. | 2:1 (64:7, 6:2, 7:63) | details | 23.07.2023 |
| Semi-finals | Grenier H. | Moro Canas A. | 2:1 (6:4, 3:6, 6:1) | details | 22.07.2023 |
| Quarter-finals | Grenier H. | Escoffier A. | 2:0 (6:4, 6:3) | details | 21.07.2023 |
| 1/8-finals | Grenier H. | Kachmazov A. | 2:0 (7:62, 6:3) | details | 19.07.2023 |
| 1/16-finals | Grenier H. | Herbert P. | 2:1 (6:3, 3:6, 6:4) | details | 18.07.2023 |
Italy: Milan - Singles - Main |
| 1/16-finals | Weis A. | Grenier H. | 2:0 (6:2, 6:3) | details | 04.07.2023 |
United Kingdom: Wimbledon - Singles - Qualification |
| Quarter-finals | Mochizuki S. | Grenier H. | 2:0 (6:2, 7:63) | details | 26.06.2023 |
United Kingdom: London - Singles - Qualification |
| Semi-finals | Fils A. | Grenier H. | 2:0 (6:4, 7:61) | details | 17.06.2023 |