Stadium: COURT 3 Round: 26 Ground: Clay
| ITF Tunisia F26 | 2016/10/04 09:40 | Grigelis, Laurynas v Luca Giacomini | 6-1,6-3 |
| ITF Morocco F4 | 2017/10/31 14:00 | Grigelis, Laurynas v El Mesbahi, Soufiane | 6-1,6-2 |
| Challenger Ismaning | 2017/10/17 09:50 | Jahn, Jeremy v Grigelis, Laurynas | 7-6,3-6,7-6 |
| Challenger Ortisei | 2017/10/09 11:00 | Pierre-Hugues Herbert v Grigelis, Laurynas | 6-3,6-4 |
| Challenger Sibiu | 2017/09/19 12:50 | Grigelis, Laurynas v Maximilian Marterer | 1-6,1-6 |
| Coupe Davis | 2017/09/15 11:50 | Ymer, Mikael v Grigelis, Laurynas | 2-6,7-5,6-0,0-6,6-1 |
| Challenger Seville | 2017/09/05 09:00 | Grigelis, Laurynas v Bernabe Zapata Miralles | 3-6,2-6 |
| ITF Romania F12 | 2017/09/03 08:00 | Grigelis, Laurynas v Franco Agamenone | 6-2,6-2 |
| ITF Romania F12 | 2017/09/02 11:15 | Grigelis, Laurynas v Petrone, Alessandro | 6-2,6-4 |
| ITF Morocco F4 | 2017/10/31 11:30 | Luca Giacomini v Hirs, Simohamed | 6-0,6-2 |
| ITF Tunisia F27 | 2017/09/21 08:30 | Rochette, Laurent v Luca Giacomini | 6-3,6-1 |
| ITF Tunisia F27 | 2017/09/20 08:30 | Luca Giacomini v Evan Zhu | 3-6,7-6,7-5 |
| ITF Tunisia F26 | 2017/09/17 09:00 | Elliot Benchetrit v Luca Giacomini | 6-4,6-2 |
| ITF Tunisia F26 | 2017/09/16 09:00 | Luca Giacomini v Baldi, Filippo | 7-5,3-6,6-1 |
| ITF Tunisia F26 | 2017/09/15 11:30 | Grazioso, Andrea v Luca Giacomini | 6-4,1-6,5-7 |
| ITF Tunisia F26 | 2017/09/14 12:50 | Florent Bax v Luca Giacomini | 2-6,6-4,2-6 |
| ITF Tunisia F26 | 2017/09/13 11:25 | Luisi, Alessandro v Luca Giacomini | 3-6,3-6 |