| Open da Austrália | 01/13 09:20 | 19 | [227] Constant Lestienne v Roman Safiullin [181] | 7-6,3-6,4-6 | |
| Open da Austrália | 01/12 13:10 | 15 | [128] Prajnesh Gunneswaran v Constant Lestienne [227] | 2-6,3-6 | |
| Open da Austrália | 01/11 14:05 | 60 | [187] Liam Broady v Constant Lestienne [227] | 6-7,2-6 | |
| Challenger - Maia | 12/01 11:00 | 25 | [252] Alexey Vatutin v Constant Lestienne [225] | 6-2,6-0 | |
| Challenger - Parma 2 | 11/05 09:00 | 26 | Frederico Ferreira Silva v Constant Lestienne | Walkover | |
| Challenger - Parma 2 | 11/02 11:20 | 25 | [231] Constant Lestienne v Nikola Milojevic [137] | 7-6,7-5 | |
| Challenger - Hamburgo | 10/24 08:00 | 26 | [269] Stefano Napolitano v Constant Lestienne [230] | 6-4,5-7,7-6 | |
| Challenger - Ismaning | 10/20 11:00 | 25 | [229] Constant Lestienne v Tobias Kamke [238] | 4-6,2-6 | |
| Challenger - Lisboa | 10/12 09:00 | 25 | [225] Constant Lestienne v Tallon Griekspoor [139] | 5-7,6-2,3-6 | |
| Challenger - Parma | 10/03 10:30 | 26 | [225] Constant Lestienne v Filippo Baldi [259] | 3-6,6-7 | |
| Challenger - Split | 09/29 09:00 | 25 | [164] Martin Klizan v Constant Lestienne [225] | 4-6,6-3,6-4 | |
| Open de França | 09/23 13:00 | 15 | [110] Marco Cecchinato v Constant Lestienne [224] | 6-2,6-3 |