Stadium: Court 9 Round: 54 Ground: Clay
| ITF - M15 Kalmar | 2019/05/14 08:15 | Simon Freund v Dermiens, Guillaume | 6-3,4-6,10-6 |
| ITF - M15 Kalmar | 2019/05/13 08:15 | Wiklund, Olof v Dermiens, Guillaume | 6-3,5-7,2-10 |
| Czech Republic F11, Singles Qualifying | 2018/11/19 11:00 | Krstev, Ondrej v Dermiens, Guillaume | 6-2,6-2 |
| ITF Belgium F9 | 2018/08/21 09:00 | Dermiens, Guillaume v Dan Added | 3-6,1-6 |
| ITF Belgium F8 | 2018/08/14 09:00 | Dermiens, Guillaume v Alex Knaff | 1-6,4-6 |
| ITF Belgium F7 | 2018/08/07 09:10 | Maxime Chazal v Dermiens, Guillaume | 6-1,6-1 |
| ITF Belgium F6 Qual | 2018/07/28 07:00 | Julien De Cuyper v Dermiens, Guillaume | 6-3,0-6,6-2 |
| ITF Belgium F5 | 2018/07/21 11:00 | Peters, Flemming v Dermiens, Guillaume | 7-6,6-4 |
| ITF - M15 Kalmar | 2019/05/13 13:15 | Johansson, Oliver v Arvid Nordquist | 7-6,6-2 |
| Karlskrona, Singles Qualifying M-ITF-SWE-01A | 2019/05/08 08:15 | Arvid Nordquist v Slobodchikov, Ronald | 2-6,6-7 |
| Karlskrona, Singles Qualifying M-ITF-SWE-01A | 2019/05/07 08:15 | Arvid Nordquist v Robin Thour | 6-3,6-2 |
| Karlskrona, Singles Qualifying M-ITF-SWE-01A | 2019/05/06 09:05 | Arvid Nordquist v Zapata, Sebastian | 6-0,6-1 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/24 10:20 | Niels Lootsma v Arvid Nordquist | 6-4,7-5 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/15 14:10 | Boris Butulija v Arvid Nordquist | 6-3,6-1 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/15 09:00 | Arvid Nordquist v Paul, Christian | 6-0,6-2 |
| Abuja, Singles Qualifying M-ITF-NGR-02A | 2019/04/11 09:00 | Arvid Nordquist v Dan Added | 0-6,5-7 |