Stadium: Grandstand Round: 25 Ground: Clay
| Challenger Caltanissetta | 2017/06/18 16:30 | Paolo Lorenzi v Alessandro Giannessi | 6-4,6-2 |
| Challenger Caltanissetta | 2017/06/17 15:15 | Alessandro Giannessi v Cedrik-Marcel Stebe | 6-3,7-6 |
| Challenger Caltanissetta | 2017/06/16 14:30 | Alessandro Giannessi v Mikhail Kukushkin | 6-4,1-6,6-1 |
| Challenger Caltanissetta | 2017/06/15 19:20 | Alessandro Giannessi v Inigo C Huegun | 6-2,6-3 |
| Challenger Caltanissetta | 2017/06/13 12:15 | Alessandro Giannessi v Enrique Lopez-Perez | 7-5,7-5 |
| Challenger - Vicenza | 2017/05/30 16:25 | Filip Krajinovic v Alessandro Giannessi | 6-3,3-6,6-3 |
| French Open Qual | 2017/05/24 15:55 | Alessandro Giannessi v Matteo Donati | 3-6,6-3,6-7 |
| French Open Qual | 2017/05/23 08:00 | Alessandro Giannessi v Calvin Hemery | 7-5,6-3 |
| 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 |