Round: 25 Ground: Hardcourt indoor
| Challenger Casablanca | 2015/10/13 10:00 | Grigelis, Laurynas v Ouahab, Lamine | 5-7,0-6 |
| Coupe Davis | 2015/09/18 15:10 | Grigelis, Laurynas v Illya Marchenko | 0-6,1-6,7-6,6-4,3-6 |
| ITF Romania F13 | 2015/08/23 08:00 | Grigelis, Laurynas v Dima, Dragos | 6-2,6-3 |
| ITF Romania F13 | 2015/08/22 07:00 | Grigelis, Laurynas v Boluda-Purkiss, Carlos | 6-2,3-6,6-3 |
| ITF Romania F13 | 2015/08/21 10:30 | Grigelis, Laurynas v Galovic, Viktor | 6-4,1-6,7-6 |
| ITF Romania F13 | 2015/08/21 07:00 | Grigelis, Laurynas v Lizen, Aswin | 6-1,6-2 |
| ITF Romania F13 | 2015/08/18 10:30 | Grigelis, Laurynas v Apostol, Bogdan Ionut | 6-4,6-1 |
| ITF Romania F12 | 2015/08/15 08:00 | Grigelis, Laurynas v Granollers, Gerard | 3-6,6-3,6-7 |
| ITF Germany F15 | 2015/10/05 10:00 | Kahlke, Jannis v Erlenbusch, Luis | 6-4,6-3 |
| ITF Germany F15 | 2015/10/05 08:00 | Kahlke, Jannis v Brinkmann, Nils | 6-2,6-4 |
| ITF Tunisia F25 | 2015/09/30 13:00 | Kahlke, Jannis v Desyatnik, Anton | 1-6,6-3,2-6 |
| ITF Tunisia F25 Qual | 2015/09/27 15:00 | Kahlke, Jannis v Courtalon, Marceau | 6-2,6-2 |
| ITF Tunisia F5 | 2015/09/27 09:30 | Nikola Milojevic v Kahlke, Jannis | 6-3,6-1 |
| ITF Tunisia F5 | 2015/09/26 10:35 | Kahlke, Jannis v Pulgar-Garcia, Jaime | 6-3,6-1 |
| ITF Tunisia F5 | 2015/09/24 11:45 | Kahlke, Jannis v Testoni, Cesar | 6-0,6-0 |
| ITF Tunisia F23 | 2015/09/17 08:00 | Kahlke, Jannis v Vilardo, Francesco | 5-7,6-7 |