Stadium: Siauliai Tennis Academy Round: 45
| Davis Cup | 2018/04/08 09:00 | Heliovaara/Kontinen v Grigelis/Mugevicius | 6-4,7-6 |
| Davis Cup | 2017/04/08 10:00 | Basilashvili/Tsivadze v Grigelis/Mugevicius | 4-6,3-6,3-6 |
| Davis Cup | 2016/09/17 11:00 | Grigelis/Mugevicius v Basic/Brkic | 4-6,4-6,2-6 |
| ITF Lithuania F1 MD | 2016/07/22 13:55 | Grigelis/Mugevicius v Dembek/Zielinski | 7-5,6-4 |
| ITF Lithuania F1 MD | 2016/07/21 14:45 | Grigelis/Mugevicius v Tverijonas/Tverijonas | 3-6,6-1,10-4 |
| ITF Lithuania F1 MD | 2016/07/18 13:00 | Grigelis/Mugevicius v Noce/Russo | 6-4,6-1 |
| Davis Cup | 2016/07/16 10:00 | Grigelis/Mugevicius v Klaasen/Roelofse | 1-6,1-6,3-6 |
| ITF Lithuania F1 | 2015/07/24 12:00 | Libietis/Reese v Grigelis/Mugevicius | 5-7,6-3,11-13 |
| Davis Cup | 2019/09/14 08:00 | Ivashka/Vasilevski v Sousa/Sousa | 3-6,6-7 |