Stadium: COURT 3 Round: 26 Ground: Clay
| ITF Tunisia F26 | 2016/10/04 09:40 | Laurynas Grigelis v Luca Giacomini | 6-1,6-3 |
| Challenger Lyon | 2017/06/14 16:00 | Laurynas Grigelis v Felix Auger Aliassime | 7-6,1-6,4-6 |
| Challenger Lyon | 2017/06/12 10:50 | Duckhee Lee v Laurynas Grigelis | 4-6,5-7 |
| Challenger Shymkent | 2017/05/23 07:10 | Evgeny Tyurnev v Laurynas Grigelis | 6-4,6-4 |
| Challenger Samarkand | 2017/05/16 08:15 | Egor Gerasimov v Laurynas Grigelis | 6-4,6-7,6-3 |
| ATP Istanbul Qual | 2017/04/30 09:00 | Laurynas Grigelis v Riccardo Bellotti | 2-6,1-6 |
| ATP Istanbul Qual | 2017/04/29 08:00 | Tobias Kamke v Laurynas Grigelis | 7-5,5-7,1-6 |
| Challenger Francavilla | 2017/04/24 11:50 | Pedro Sousa v Laurynas Grigelis | 7-6,6-4 |
| ITF Tunisia F15 | 2017/04/20 08:30 | Laurynas Grigelis v Kirill Dmitriev | 3-6,6-4,2-6 |
| ITF Tunisia F19 | 2017/05/16 12:25 | Matteo Martineau v Luca Giacomini | 7-6,7-5 |
| ITF Tunisia F19 | 2017/05/15 11:30 | Luca Giacomini v Federico Bertuccioli | 7-6,6-4 |
| ITF Tunisia F19 | 2017/05/14 11:00 | Luca Giacomini v Niccolo Catini | 6-0,5-7,6-3 |
| ITF Tunisia F18 | 2017/05/07 09:00 | Diego Hidalgo v Luca Giacomini | 3-6,6-3,6-1 |
| ITF Croatia F1 | 2017/03/06 12:15 | Andre Biro v Luca Giacomini | 6-3,6-2 |
| ITF Croatia F1 | 2017/03/05 08:00 | Filippo Piranomonte v Luca Giacomini | 0-6,2-6 |
| ITF Egypt F2 | 2017/01/22 12:30 | Joy Vigani v Luca Giacomini | 6-2,6-4 |
| ITF Egypt F2 | 2017/01/21 13:30 | Nazar Khrustalev v Luca Giacomini | 4-6,4-6 |