Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| Davis Cup | 2018/04/08 12:15 | Emil Ruusuvuori v Laurynas Grigelis | 7-5,6-2 |
| Davis Cup | 2018/04/07 13:00 | Harri Heliovaara v Laurynas Grigelis | 6-3,1-6,6-3 |
| Challenger St Brieuc | 2018/03/27 13:05 | Laurynas Grigelis v Stephane Robert | 4-6,6-7 |
| Challenger St Brieuc Qual | 2018/03/26 08:30 | Laurynas Grigelis v Tak Khunn Wang | 3-6,6-3,7-6 |
| Challenger St Brieuc Qual | 2018/03/25 11:45 | Laurynas Grigelis v Jonathan Kanar | 6-1,6-3 |
| Challenger St Brieuc Qual | 2018/03/24 15:10 | Laurynas Grigelis v Mick Lescure | 6-7,6-2,6-0 |
| Challenger Lille | 2018/03/22 18:45 | Laurynas Grigelis v Antoine Hoang | 4-6,6-2,4-6 |
| Challenger Lille | 2018/03/20 11:50 | Laurynas Grigelis v Lorenzo Giustino | 6-4,7-6 |
| ITF Japan F3 | 2018/03/23 02:00 | Tatsuma Ito v Seong Chan Hong | 5-7,6-2,2-6 |
| ITF Japan F3 | 2018/03/22 06:55 | Tatsuma Ito v Ryota Tanuma | 6-7,6-2,6-1 |
| ITF Japan F3 | 2018/03/22 03:00 | Tatsuma Ito v Masamichi Imamura | 6-2,6-0 |
| ITF Japan F3 | 2018/03/20 06:00 | Tatsuma Ito v Naoki Nakagawa | 6-2,6-3 |
| Challenger Shenzhen | 2018/03/17 03:00 | Tatsuma Ito v Ilya Ivashka | 3-6,2-6 |
| Challenger Shenzhen | 2018/03/16 05:05 | Jurgen Zopp v Tatsuma Ito | 3-6,4-6 |
| Challenger Shenzhen | 2018/03/15 09:35 | Tatsuma Ito v Uladzimir Ignatik | 1-6,6-3,6-4 |
| Challenger Shenzhen | 2018/03/13 07:20 | Di Wu v Tatsuma Ito | 6-7,7-5,5-7 |