Stadium: Centre Court Round: 27 Ground: Clay
| ITF Romania F12 | 2015/08/13 07:30 | Grigelis, Laurynas v Antonescu, Vasile | 6-3,6-2 |
| ITF Romania F12 | 2017/08/31 12:00 | Grigelis, Laurynas v Manole, Alexandru Vasile | 6-2,2-6,6-3 |
| ITF Romania F12 | 2017/08/30 10:00 | Grigelis, Laurynas v Merino, Alexander | 6-3,6-2 |
| US Open, New York, USA, Qualifying | 2017/08/23 17:40 | Lacko, Lukas v Grigelis, Laurynas | 6-3,6-4 |
| Challenger Liberec | 2017/08/04 12:00 | Safranek, Vaclav v Grigelis, Laurynas | 6-7,6-1,6-3 |
| Challenger Liberec | 2017/08/03 14:40 | Grigelis, Laurynas v Stebe, Cedrik-Marcel | 6-4,3-6,6-3 |
| Challenger Liberec | 2017/08/01 14:40 | Grigelis, Laurynas v Bellotti, Riccardo | 7-6,7-6 |
| ITF Lithuania F1 | 2017/07/19 13:25 | Grigelis, Laurynas v Brydolf, Patrik | 3-6,6-7 |
| ITF Lithuania F1 | 2017/07/18 12:45 | Grigelis, Laurynas v Numajiri, Keisuke | 6-1,6-3 |
| ITF Romania F12 | 2017/08/31 08:50 | Apostol, Bogdan Ionut v Antonescu, Vasile | 6-3,4-6,2-6 |
| ITF Romania F12 | 2017/08/30 10:20 | Giusca, Teodor v Antonescu, Vasile | 0-6,4-6 |
| ITF Romania F11 | 2017/08/25 12:50 | Antonescu, Vasile v Dima, Dragos | 2-6,4-6 |
| ITF Romania F11 | 2017/08/24 06:30 | Antonescu, Vasile v Diep, Florent | 6-3,6-4 |
| ITF Romania F11 | 2017/08/22 10:55 | Frunza, Nicolae v Antonescu, Vasile | 7-5,5-7,2-6 |
| ITF Romania F10 | 2017/08/18 07:00 | Federico Zeballos v Antonescu, Vasile | 2-6,7-6,6-2 |
| ITF Romania F10 | 2017/08/17 07:00 | Tatomir, Luca Georg v Antonescu, Vasile | 0-6,2-6 |
| ITF Romania F10 | 2017/08/15 11:05 | Eshmade, Nathan v Antonescu, Vasile | 3-6,6-3,6-7 |