| Challenger Bergamo Qual | 02/17 10:00 | 45 | Grigelis, Laurynas v Carli, Christian | 4-6,6-3,6-4 | |
| ITF Great Britain F2 | 02/07 14:25 | 25 | Grigelis, Laurynas v Johnson, Luke | 6-7,6-2,1-6 | |
| Coupe Davis | 02/04 13:10 | 26 | Grigelis, Laurynas v Kenneth Raisma | Cancelled | |
| Coupe Davis | 02/03 12:00 | 26 | Grigelis, Laurynas v Zopp, Jurgen | 7-5,6-2 | |
| ITF France F3 | 01/24 11:00 | 26 | Vand Der Duim, Antal v Grigelis, Laurynas | 5-7,6-3,7-5 | |
| ITF France F3 | 01/23 09:00 | 25 | Trusendi, Walter v Grigelis, Laurynas | 7-5,4-6,2-6 | |
| Challenger Andria | 11/22 13:30 | 25 | [307] Skugor, Franko v Grigelis, Laurynas [271] | 6-3,7-6 | |
| Brescia, Italy | 11/19 15:20 | 29 | [283] Grigelis, Laurynas v Lacko, Lukas [104] | 1-6,2-6 | |
| Brescia, Italy | 11/18 17:40 | 28 | [213] Galovic, Viktor v Grigelis, Laurynas [283] | 6-7,1-6 | |
| Brescia, Italy | 11/17 18:30 | 27 | [89] Seppi, Andreas v Grigelis, Laurynas [283] | 6-3,3-6,4-6 | |
| Brescia, Italy | 11/15 15:30 | 26 | [391] Jankovits, Yannick v Grigelis, Laurynas [283] | 4-6,2-6 | |
| Brescia, Italy | 11/14 12:00 | 25 | Grigelis, Laurynas v Oscar Otte | 6-4,7-6 | |
| ITF Morocco F5 | 11/11 12:30 | 29 | [312] Zapata Miralles, Bernabe v Grigelis, Laurynas [299] | 1-6,2-6 | |
| ITF Morocco F5 | 11/10 13:30 | 28 | [356] Zekic, Miljan v Grigelis, Laurynas [299] | 6-2,6-7,4-6 | |
| ITF Morocco F5 | 11/09 11:15 | 27 | [406] Toledo Bague, Pol v Grigelis, Laurynas [299] | 4-6,1-6 | |
| ITF Morocco F5 | 11/08 11:30 | 26 | Louroi Martinez v Grigelis, Laurynas | 1-6,4-6 | |
| ITF Morocco F5 | 11/07 10:00 | 25 | El Mesbahi, Soufiane v Grigelis, Laurynas | 1-6,3-6 | |
| ITF Morocco F4 | 11/04 12:30 | 29 | Grigelis, Laurynas v Ouahab, Lamine | 4-6,6-2,7-5 | |
| ITF Morocco F4 | 11/03 10:00 | 28 | Grigelis, Laurynas v von Massow, George | 6-3,6-1 | |
| ITF Morocco F4 | 11/02 11:30 | 27 | Grigelis, Laurynas v Uryson, Nicolas | 6-2,6-2 | |
| ITF Morocco F4 | 11/01 11:50 | 26 | Grigelis, Laurynas v Luca Giacomini | 6-2,7-5 | |
| ITF Morocco F4 | 10/31 14:00 | 25 | Grigelis, Laurynas v El Mesbahi, Soufiane | 6-1,6-2 | |
| Challenger Ismaning | 10/17 09:50 | 25 | [248] Jahn, Jeremy v Grigelis, Laurynas [277] | 7-6,3-6,7-6 | |
| Challenger Ortisei | 10/09 11:00 | 25 | Herbert, Pierre-Hugues v Grigelis, Laurynas | 6-3,6-4 | |
| Challenger Sibiu | 09/19 12:50 | 25 | [254] Grigelis, Laurynas v Maximilian Marterer [121] | 1-6,1-6 | |
| Coupe Davis | 09/15 11:50 | 28 | [323] Ymer, Mikael v Grigelis, Laurynas [241] | 2-6,7-5,6-0,0-6,6-1 | |
| Challenger Seville | 09/05 09:00 | 25 | [238] Grigelis, Laurynas v Bernabe Zapata Miralles [307] | 3-6,2-6 | |
| ITF Romania F12 | 09/03 08:00 | 29 | [238] Grigelis, Laurynas v Franco Agamenone [410] | 6-2,6-2 | |
| ITF Romania F12 | 09/02 11:15 | 28 | Grigelis, Laurynas v Petrone, Alessandro | 6-2,6-4 | |
| ITF Romania F12 | 09/01 07:30 | 27 | [238] Grigelis, Laurynas v Antonescu, Vasile [485] | 7-5,6-1 |