Stadium: Court 11 Round: 25 Ground: Clay
| Wimbledon Qual | 2014/06/16 13:30 | Grigelis, Laurynas v Lopez Perez | 6-1,6-2 |
| Challenger Mestre | 2018/05/25 09:30 | Grigelis, Laurynas v Gian Marco Moroni | 2-6,0-6 |
| Challenger Mestre | 2018/05/24 10:55 | Grigelis, Laurynas v Vanni, Luca | 6-2,2-6,6-2 |
| Challenger Mestre | 2018/05/23 08:30 | Yang, Tsung-Hua v Grigelis, Laurynas | 3-6,0-6 |
| Nanchang, China | 2018/04/16 03:00 | Yang, Tsung-Hua v Grigelis, Laurynas | 0-6,7-6,6-3 |
| Challenger - Taipei | 2018/04/11 03:00 | Grigelis, Laurynas v Tatsuma Ito | 7-6,4-6,3-6 |
| Coupe Davis | 2018/04/08 12:15 | Emil Ruusuvuori v Grigelis, Laurynas | 7-5,6-2 |
| Coupe Davis | 2018/04/07 13:00 | Heliovaara, Harri v Grigelis, Laurynas | 6-3,1-6,6-3 |
| Challenger St Brieuc | 2018/03/27 13:05 | Grigelis, Laurynas v Robert, Stephane | 4-6,6-7 |
| Challenger - Vicence | 2018/05/29 14:40 | Hugo Dellien v Lopez Perez | 6-0,5-7,6-0 |
| French Open Qual | 2018/05/22 10:25 | Lopez Perez v Stefano Travaglia | 4-6,3-6 |
| Challenger - Heilbronn | 2018/05/15 10:00 | Lopez Perez v Rudolf Molleker | 4-6,3-6 |
| Challenger - Savannah | 2018/05/02 14:30 | Lopez Perez v Clezar, Guilherme | 6-0,6-7,4-6 |
| Challenger - Savannah | 2018/05/01 14:00 | Henri Laaksonen v Lopez Perez | 0-6,4-6 |
| Challenger - Tallahassee | 2018/04/24 19:35 | Lopez Perez v Hugo Dellien | 5-7,2-6 |
| Marrakech, Morocco, Qualifying | 2018/04/08 12:25 | Lopez Perez v Alexey Vatutin | 3-6,2-6 |
| Alicante, Spain | 2018/04/02 14:00 | Lopez Perez v Arnaboldi, Andrea | 2-6,4-6 |