Ground: Carpet indoor
| ITF France F2 | 2015/01/21 15:30 | Alexandre Sidorenko v Yannick Mertens | 6-7,6-4,7-6 |
| ITF Norway F2 | 2014/11/07 13:00 | Joris De Loore v Yannick Mertens | 3-6,6-4,6-3 |
| ITF Norway F2 | 2014/11/05 09:55 | Jacob Adaktusson v Yannick Mertens | 1-6,3-6 |
| ITF Norway F2 | 2014/11/04 09:50 | Matej Sabanov v Yannick Mertens | 6-3,3-6,4-6 |
| ITF Norway F1 | 2014/11/01 12:40 | Jules Marie v Yannick Mertens | 6-0,6-2 |
| ITF Norway F1 | 2014/10/31 11:00 | Joris De Loore v Yannick Mertens | 3-6,4-6 |
| ITF Norway F1 | 2014/10/28 08:00 | Pawel Zawisza v Yannick Mertens | 1-6,3-6 |
| ITF Spain F32 | 2014/10/26 10:30 | Yannick Mertens v Pablo Vivero Gonzalez | 6-3,7-5 |
| ITF France F2 | 2015/01/21 10:30 | Laurynas Grigelis v Gregoire Barrere | 4-6,6-4,3-6 |
| ITF France F2 | 2015/01/20 12:00 | Laurynas Grigelis v Bar Tzuf Botzer | 7-6,6-4 |
| Challenger Casablanca | 2015/01/12 14:00 | Adrian Ungur v Laurynas Grigelis | 7-6,6-3 |
| ITF Belarus F1 | 2014/10/17 08:00 | Laurynas Grigelis v Dzmitry Zhyrmont | 3-6,6-4,3-6 |
| ITF Belarus F1 | 2014/10/16 08:00 | Laurynas Grigelis v Lukas Mugevicius | 6-4,6-3 |
| ITF Belarus F1 | 2014/10/15 07:00 | Laurynas Grigelis v Ivan Liutarevich | 6-4,6-3 |
| ITF Belarus F1 | 2014/10/14 08:15 | Laurynas Grigelis v Mikalai Haliak | 6-1,6-1 |
| US Open Qual | 2014/08/20 19:45 | Laurynas Grigelis v Yuki Bhambri | 4-6,1-6 |