Stadium: Court 2 Round: 60 Ground: Hardcourt outdoor
| ITF Portugal F11 Qual | 2018/06/30 08:30 | Sizya Ernest Kivanda v Roberts Grinvalds | 2-6,6-7 |
| ITF Portugal F9 | 2018/06/18 09:00 | Tiago Cacao v Roberts Grinvalds | 6-1,6-3 |
| ITF Portugal F9 | 2018/06/17 11:30 | Goncalo Ferreira v Roberts Grinvalds | 6-3,1-6,2-6 |
| ITF Portugal F9 | 2018/06/16 09:00 | Joao Ferreira v Roberts Grinvalds | 1-6,6-7 |
| Davis Cup | 2018/04/07 08:00 | Roberts Grinvalds v Serafin Zund | 6-0,6-0 |
| Davis Cup | 2018/04/04 07:00 | Roberts Grinvalds v Ioannis Stergiou | 0-6,4-6 |
| ITF Turkey F6 | 2018/02/10 06:00 | Collin Altamirano v Roberts Grinvalds | 6-0,6-3 |
| ITF Turkey F3 | 2018/01/23 11:00 | Maxim Ratniuk v Roberts Grinvalds | 6-3,6-3 |
| Challenger Knoxville | 2017/11/08 23:50 | Timo Stodder v Henri Laaksonen | 4-6,4-6 |
| ITF Germany F4 | 2017/06/21 12:50 | Bernabe Zapata Miralles v Timo Stodder | 6-4,6-0 |
| ITF Germany F4 | 2017/06/17 10:30 | Timo Stodder v Artem Kapshuk | 7-5,6-1 |
| ITF Poland F1 | 2017/06/11 08:00 | Elliott Orkin v Timo Stodder | 6-4,7-5 |
| ITF Poland F1 | 2017/06/10 08:00 | Timo Stodder v Boris Arias | 4-6,6-1,6-4 |
| Challenger Knoxville Qual | 2016/11/08 15:00 | Jared Hiltzik v Timo Stodder | 6-3,6-4 |
| Challenger Knoxville Qual | 2016/11/07 17:00 | Timo Stodder v Dennis Nevolo | 4-6,6-4,7-6 |
| Challenger Knoxville Qual | 2016/11/06 16:35 | Timo Stodder v Luca Wiedenmann | 6-2,6-1 |