| ITF M15 Trier | 08/24 14:15 | 25 | Lilian Marmousez v Marvin Netuschil | 4-6,6-7 | |
| ITF M15 Monastir | 08/03 08:00 | 25 | Lilian Marmousez v Rigele Te | Cancelled | |
| ITF M15 Monastir | 07/28 08:00 | 26 | Skander Mansouri v Lilian Marmousez | 7-5,6-4 | |
| ITF M15 Monastir | 07/27 08:00 | 25 | Lilian Marmousez v Berk Ilkel | 6-2,6-2 | |
| ITF M15 Casablanca | 07/14 12:25 | 26 | Nathan Seateun v Lilian Marmousez | 6-4,6-2 | |
| ITF M15 Casablanca | 07/13 16:55 | 25 | Mehdi Benchakroun v Lilian Marmousez | 5-7,2-6 | |
| ITF M15 Casablanca | 07/07 08:55 | 26 | Lilian Marmousez v Federico Iannaccone | 6-7,2-6 | |
| ITF M15 Casablanca | 07/05 09:00 | 25 | Lilian Marmousez v Walid Ahouda | 6-0,6-3 | |
| ITF M15 Bern | 06/28 11:35 | 25 | Niklas Schell v Lilian Marmousez | 6-4,6-4 | |
| ITF M15 Alkmaar | 06/23 11:20 | 26 | Michiel de Krom v Lilian Marmousez | 6-4,6-4 | |
| ITF M15 Alkmaar | 06/21 09:00 | 25 | Lilian Marmousez v Hazem Naw | 6-2,6-1 | |
| ITF M15 Duffel | 06/14 08:00 | 25 | Tim Handel v Lilian Marmousez | 7-6,6-4 | |
| ITF M15 Brcko | 05/26 13:35 | 26 | Lilian Marmousez v Oleksandr Ovcharenko | Retired | |
| ITF M15 Brcko | 05/24 13:05 | 25 | Lilian Marmousez v Radomir Tomic | 6-2,6-3 | |
| ITF M15 Prijedor | 05/21 11:00 | 28 | Lilian Marmousez v Oleksandr Ovcharenko | 2-6,3-6 | |
| ITF M15 Prijedor | 05/20 14:00 | 27 | Lilian Marmousez v Franco Roncadelli | 3-6,6-4,6-2 | |
| ITF M15 Prijedor | 05/19 10:30 | 26 | Lilian Marmousez v Pietro Pampanin | 6-3,6-1 | |
| ITF M15 Prijedor | 05/18 12:55 | 25 | Gergely Madarasz v Lilian Marmousez | 2-6,5-7 | |
| ITF M15 Doboj | 05/11 14:45 | 25 | Lilian Marmousez v Andrej Nedic | 3-6,3-6 | |
| ITF M15 Torello | 11/06 11:30 | 28 | John Echeverria v Lilian Marmousez | 6-3,1-6,6-1 | |
| ITF M15 Torello | 11/05 10:00 | 27 | Lilian Marmousez v Mario Mansilla Diez | 6-4,6-4 | |
| ITF M15 Torello | 11/04 09:30 | 26 | Lilian Marmousez v Kuzey Cekirge | 6-4,6-1 | |
| ITF M15 Torello | 11/02 13:50 | 25 | Lilian Marmousez v Edas Butvilas | 7-6,6-2 | |
| ITF M15 Madrid | 10/27 07:55 | 25 | Lilian Marmousez v Vilius Gaubas | 6-1,3-6,6-7 | |
| ITF M15 Girona | 10/20 08:00 | 25 | Lilian Marmousez v Max Alcala Gurri | 2-6,3-6 | |
| ITF M15 Monastir | 09/29 08:00 | 25 | Ugo Blanchet v Lilian Marmousez | 6-3,7-5 | |
| ITF M15 Monastir | 09/24 07:55 | 27 | Lilian Marmousez v Ryota Tanuma | 4-6,6-7 | |
| ITF M15 Monastir | 09/23 08:00 | 26 | Lilian Marmousez v Takashi Saito | 6-1,6-3 | |
| ITF M15 Monastir | 09/22 08:00 | 25 | Lilian Marmousez v Daniil Glinka | 7-6,6-2 | |
| ITF M15 Monastir | 09/16 11:15 | 26 | Lilian Marmousez v Axel Garcian | 5-7,1-6 |