Stadium: Court 1 Round: 25 Ground: Clay
| US Open Qual | 2017/08/23 17:40 | Lukas Lacko v Laurynas Grigelis | 6-3,6-4 |
| Challenger Liberec | 2017/08/04 12:00 | Vaclav Safranek v Laurynas Grigelis | 6-7,6-1,6-3 |
| Challenger Liberec | 2017/08/03 14:40 | Laurynas Grigelis v Cedrik-Marcel Stebe | 6-4,3-6,6-3 |
| Challenger Liberec | 2017/08/01 14:40 | Laurynas Grigelis v Riccardo Bellotti | 7-6,7-6 |
| ITF Lithuania F1 | 2017/07/19 13:25 | Laurynas Grigelis v Patrik Brydolf | 3-6,6-7 |
| ITF Lithuania F1 | 2017/07/18 12:45 | Laurynas Grigelis v Keisuke Numajiri | 6-1,6-3 |
| ITF Poland F5 | 2017/07/15 10:55 | Laurynas Grigelis v Antonio Massara | 6-1,6-2 |
| ITF Poland F5 | 2017/07/14 12:20 | Laurynas Grigelis v Pawel Juszczak | 6-7,6-3,6-2 |
| ITF Romania F11 | 2017/08/24 08:30 | Alexander Merino v Dragos Dima | 5-7,1-6 |
| ITF Romania F11 | 2017/08/23 06:30 | Daniel Cozma v Alexander Merino | 3-6,4-6 |
| ITF Romania F11 Qual | 2017/08/21 11:00 | Alexander Merino v Vlad Andrei Dancu | 6-3,7-6 |
| ITF Romania F11 Qual | 2017/08/21 06:00 | Alexander Merino v Razvan Bobleaga | 6-4,6-1 |
| ITF Finland F3 | 2017/08/15 07:00 | Christoffer Solberg v Alexander Merino | 6-2,6-1 |
| ITF Finland F2 | 2017/08/08 07:00 | Alexander Merino v Filippo Baldi | 3-6,5-7 |
| ITF Colombia F3 | 2017/08/01 20:40 | Alexander Merino v Jorge Panta | 3-6,5-7 |
| ITF Colombia F3 Qual | 2017/07/31 15:00 | Alexander Merino v Luis Britto | 6-0,6-3 |