| Challenger Almaty Qual | 06/09 05:50 | 45 | [260] Grigelis, Laurynas v Ivan Gakhov [337] | 1-6,7-5,6-2 | |
| Shymkent 2, Kazakhstan | 06/06 05:00 | 26 | [456] Jurij Rodionov v Grigelis, Laurynas [260] | 6-4,3-6,7-6 | |
| Shymkent 2, Kazakhstan | 06/05 06:10 | 25 | [260] Grigelis, Laurynas v Lopez Perez [208] | 6-3,7-5 | |
| Challenger Mestre | 05/25 09:30 | 27 | [273] Grigelis, Laurynas v Gian Marco Moroni [358] | 2-6,0-6 | |
| Challenger Mestre | 05/24 10:55 | 26 | [273] Grigelis, Laurynas v Vanni, Luca [199] | 6-2,2-6,6-2 | |
| Challenger Mestre | 05/23 08:30 | 25 | [227] Yang, Tsung-Hua v Grigelis, Laurynas [273] | 3-6,0-6 | |
| Nanchang, China | 04/16 03:00 | 25 | [251] Yang, Tsung-Hua v Grigelis, Laurynas [252] | 0-6,7-6,6-3 | |
| Challenger - Taipei | 04/11 03:00 | 25 | [252] Grigelis, Laurynas v Tatsuma Ito [155] | 7-6,4-6,3-6 | |
| Coupe Davis | 04/08 12:15 | 27 | Emil Ruusuvuori v Grigelis, Laurynas | 7-5,6-2 | |
| Coupe Davis | 04/07 13:00 | 27 | [453] Heliovaara, Harri v Grigelis, Laurynas [251] | 6-3,1-6,6-3 | |
| Challenger St Brieuc | 03/27 13:05 | 25 | [254] Grigelis, Laurynas v Robert, Stephane [168] | 4-6,6-7 | |
| Challenger St Brieuc Qual | 03/26 08:30 | 54 | Grigelis, Laurynas v Wang, Tak Khunn | 3-6,6-3,7-6 | |
| Challenger St Brieuc Qual | 03/25 11:45 | 46 | Grigelis, Laurynas v Kanar, Jonathan | 6-1,6-3 | |
| Challenger St Brieuc Qual | 03/24 15:10 | 45 | Grigelis, Laurynas v Lescure, Mick | 6-7,6-2,6-0 | |
| Challenger - Lille | 03/22 18:45 | 26 | [254] Grigelis, Laurynas v Antoine Hoang [251] | 4-6,6-2,4-6 | |
| Challenger - Lille | 03/20 11:50 | 25 | [254] Grigelis, Laurynas v Lorenzo Giustino [243] | 6-4,7-6 | |
| Challenger Lille Qual | 03/19 12:30 | 54 | [254] Grigelis, Laurynas v Olaso, Guillermo [420] | 1-6,2-6 | |
| Challenger Lille Qual | 03/18 15:20 | 46 | Grigelis, Laurynas v Emil Ruusuvuori | 7-6,2-6,6-3 | |
| Challenger Lille Qual | 03/17 15:55 | 45 | Grigelis, Laurynas v Bertimon, Charles | 6-2,6-4 | |
| ITF Tunisia F9 | 03/09 09:00 | 27 | Grigelis, Laurynas v Kanar, Jonathan | 5-7,1-6 | |
| ITF Tunisia F9 | 03/08 10:45 | 26 | Grigelis, Laurynas v Hidalgo, Diego | 7-6,6-2 | |
| ITF Tunisia F9 | 03/07 09:00 | 25 | Grigelis, Laurynas v Berg, Conor | 6-3,6-2 | |
| ITF Italy F1 | 03/04 09:00 | 29 | Neuchrist, Maximilian v Grigelis, Laurynas | 4-6,4-6 | |
| ITF Italy F1 | 03/03 14:40 | 28 | Grigelis, Laurynas v Boutillier, Remi | 6-3,6-1 | |
| ITF Italy F1 | 03/02 17:10 | 27 | Gregoire Barrere v Grigelis, Laurynas | 3-6,4-6 | |
| ITF Italy F1 | 03/01 16:20 | 26 | Forti, Francesco v Grigelis, Laurynas | 2-6,4-6 | |
| ITF Italy F1 | 02/27 14:05 | 25 | Jomby, Tom v Grigelis, Laurynas | 6-7,3-6 | |
| Bergamo, Italy | 02/20 09:00 | 25 | Grigelis, Laurynas v Moraing, Mats | 2-6,3-6 | |
| Challenger Bergamo Qual | 02/19 09:00 | 54 | Grigelis, Laurynas v Jankovits, Yannick | 7-5,7-5 | |
| Challenger Bergamo Qual | 02/18 09:00 | 46 | Grigelis, Laurynas v Bortolotti, Marco | 6-3,7-6 |