Stadium: Salle Steredenn Round: 25 Ground: Hardcourt indoor
| Challenger St Brieuc Qual | 2018/03/26 08:30 | Grigelis, Laurynas v Wang, Tak Khunn | 3-6,6-3,7-6 |
| Challenger St Brieuc Qual | 2018/03/25 11:45 | Grigelis, Laurynas v Kanar, Jonathan | 6-1,6-3 |
| Challenger St Brieuc Qual | 2018/03/24 15:10 | Grigelis, Laurynas v Lescure, Mick | 6-7,6-2,6-0 |
| Challenger - Lille | 2018/03/22 18:45 | Grigelis, Laurynas v Antoine Hoang | 4-6,6-2,4-6 |
| Challenger - Lille | 2018/03/20 11:50 | Grigelis, Laurynas v Lorenzo Giustino | 6-4,7-6 |
| Challenger Lille Qual | 2018/03/19 12:30 | Grigelis, Laurynas v Olaso, Guillermo | 1-6,2-6 |
| Challenger Lille Qual | 2018/03/18 15:20 | Grigelis, Laurynas v Emil Ruusuvuori | 7-6,2-6,6-3 |
| Challenger Lille Qual | 2018/03/17 15:55 | Grigelis, Laurynas v Bertimon, Charles | 6-2,6-4 |
| Challenger - Lille | 2018/03/22 13:10 | Gregoire Barrere v Robert, Stephane | 2-6,7-5,7-6 |
| Challenger - Lille | 2018/03/20 15:00 | Aldin Setkic v Robert, Stephane | 2-6,6-3,6-7 |
| Challenger Yokohama | 2018/03/02 03:45 | Jordan Thompson v Robert, Stephane | 6-3,4-6,6-2 |
| Challenger Yokohama | 2018/03/01 02:00 | Nguyen, Daniel v Robert, Stephane | 5-7,0-6 |
| Challenger Yokohama | 2018/02/27 04:45 | Jumpei Yamasaki v Robert, Stephane | 6-3,1-6,3-6 |
| Kyoto, Japan | 2018/02/20 04:10 | Gunneswaran, Prajnesh v Robert, Stephane | 6-3,1-6,6-4 |
| Challenger Launceston | 2018/02/08 00:00 | Mousley, Bradley v Robert, Stephane | 7-6,6-4 |
| Challenger Launceston | 2018/02/06 01:40 | Mina, Gianni v Robert, Stephane | 6-7,1-6 |