Ground: Hardcourt outdoor
| ITF Belarus F1 | 2014/10/15 07:00 | Grigelis, Laurynas v Ivan Liutarevich | 6-4,6-3 |
| ITF Belarus F1 | 2014/10/14 08:15 | Grigelis, Laurynas v Mikalai Haliak | 6-1,6-1 |
| US Open, New York, USA, Qualifying | 2014/08/20 19:45 | Grigelis, Laurynas v Bhambri, Yuki | 4-6,1-6 |
| Challenger Recanati | 2014/07/15 13:00 | Muller, Gilles v Grigelis, Laurynas | 6-3,6-3 |
| ITF Spain F15 | 2014/06/27 20:00 | Egor Gerasimov v Grigelis, Laurynas | 4-6,6-3,6-0 |
| ITF Spain F15 | 2014/06/26 17:00 | Oriol Roca Batalla v Grigelis, Laurynas | 1-6,3-6 |
| ITF Spain F15 | 2014/06/24 17:50 | Joao Domingues v Grigelis, Laurynas | 7-5,3-6,1-6 |
| Wimbledon Qual | 2014/06/16 13:30 | Grigelis, Laurynas v Lopez Perez | 6-1,6-2 |
| ITF Belarus F1 | 2014/10/14 07:00 | Mugevicius, Lukas v Tybar, Maxim | 6-2,6-2 |
| Coupe Davis | 2014/09/14 12:30 | Nerman Fatic v Mugevicius, Lukas | 6-7,6-3,6-4 |
| ITF Poland F7 | 2014/09/02 11:15 | Maciej Rajski v Mugevicius, Lukas | 6-3,3-6,6-3 |
| ITF Romania F13 | 2014/08/28 10:00 | Mugevicius, Lukas v Frederico Ferreira Silva | 2-6,3-6 |
| ITF Romania F13 | 2014/08/27 09:50 | Mugevicius, Lukas v Marin, Teodor Nicolae | 3-6,7-5,6-3 |
| ITF Romania F12 | 2014/08/21 10:15 | Mugevicius, Lukas v Rondoni, Pietro | 3-6,4-6 |
| ITF Romania F12 | 2014/08/20 12:50 | Mugevicius, Lukas v Andrea Vavassori | 6-7,7-5,6-3 |
| ITF Latvia F1 | 2014/08/05 09:05 | Slobodchikov, Ronald v Mugevicius, Lukas | 6-3,6-4 |