| ITF - Forbach M15 | 09/28 13:00 | 54 | Hugo Schott v Constant De La Bassetiere | 4-6,7-6,10-1 | |
| ITF - Cancun M15 | 02/19 16:05 | 25 | Constant De La Bassetiere v Michel Vernier | 3-6,3-6 | |
| ITF - Cancun M15 | 02/18 14:00 | 44 | Bruno Stefani Figlio v Constant De La Bassetiere | 2-6,1-6 | |
| ITF - Cancun M15 | 02/17 14:00 | 44 | Constant De La Bassetiere v Fernando Yamacita | 7-5,6-4 | |
| ITF - Cancun M15 | 02/16 14:00 | 44 | Erick Sanchez v Constant De La Bassetiere | 1-6,1-6 | |
| ITF - East Lansing M15 | 11/20 18:00 | 25 | Joao Hinsching v Constant De La Bassetiere | 7-6,2-6,7-6 | |
| ITF - East Lansing M15 | 11/19 15:00 | 44 | Jordan Parker v Constant De La Bassetiere | 2-6,2-6 | |
| ITF - Champaign M15 | 06/06 21:00 | 26 | Constant De La Bassetiere v Diego Hidalgo | 6-2,6-7,1-6 | |
| ITF - Champaign M15 | 06/05 19:50 | 25 | Constant De La Bassetiere v Alexander Bernard | 6-2,6-4 | |
| ITF - Champaign M15 | 06/04 15:00 | 54 | Constant De La Bassetiere v Philip Wilbert Major | 6-1,6-1 | |
| ITF France F15 | 07/24 15:30 | 25 | Constantin B Kouzmine v Constant De La Bassetiere | 6-3,6-2 | |
| ITF Belgium F3 Qual | 07/02 09:55 | 62 | Constant De La Bassetiere v Arnaud Destrebecq | 4-6,3-6 | |
| ITF Belgium F3 Qual | 07/01 08:00 | 62 | Constant De La Bassetiere v Tom Pisane | 6-2,6-4 | |
| ITF Belgium F3 Qual | 06/30 07:30 | 62 | Constant De La Bassetiere v Adan Freire Da Silva | 6-1,6-1 | |
| ITF Belgium F2 | 06/28 09:00 | 26 | Constant De La Bassetiere v Agustin Velotti | 2-6,3-6 | |
| ITF Belgium F2 | 06/27 09:00 | 25 | Constant De La Bassetiere v Loic Cloes | 7-6,6-3 | |
| ITF Belgium F2 Qual | 06/25 15:10 | 44 | Constant De La Bassetiere v Paul Valsecchi | 6-3,6-3 | |
| ITF Belgium F2 Qual | 06/24 16:05 | 44 | Constant De La Bassetiere v Lucas Grego | 6-4,6-4 | |
| ITF Belgium F1 | 06/20 14:00 | 25 | Yannik Reuter v Constant De La Bassetiere | 6-2,6-3 | |
| ITF Belgium F1 Qual | 06/18 11:10 | 44 | Constant De La Bassetiere v Constantin Christ | 6-0,6-4 | |
| ITF Belgium F1 Qual | 06/17 08:00 | 44 | Constant De La Bassetiere v Tom Pisane | 6-3,6-2 | |
| ITF France F17 | 07/25 14:00 | 25 | Constant De La Bassetiere v Adelchi Virgili | 6-7,3-6 | |
| ITF Belgium F5 | 07/19 12:00 | 26 | Jonas Merckx v Constant De La Bassetiere | 6-1,6-3 | |
| ITF Belgium F5 | 07/17 08:00 | 25 | Constant De La Bassetiere v Maxence Broville | Retired | |
| ITF Belgium F5 | 07/16 08:00 | 44 | Constant De La Bassetiere v Oscar M Cornella | 6-2,6-2 | |
| ITF Belgium F4 | 07/11 09:00 | 25 | Loic Cloes v Constant De La Bassetiere | 6-2,7-6 | |
| ITF Belgium F4 Qual | 07/09 12:15 | 62 | Constant De La Bassetiere v Buvaysar Gadamauri | 6-3,6-0 | |
| ITF Belgium F4 Qual | 07/09 07:30 | 62 | Constant De La Bassetiere v Dane Esses | 7-5,6-1 | |
| ITF Belgium F4 Qual | 07/08 12:15 | 62 | Constant De La Bassetiere v Guillaume Dermiens | 6-3,6-1 | |
| ITF Belgium F3 Qual | 07/02 08:00 | 62 | Constant De La Bassetiere v Colin Sinclair | 4-6,2-6 |