Stadium: Court 6 Round: 25 Ground: Clay
| ITF Netherlands F1 Qual | 2018/06/25 09:00 | Fernando Yamacita v Hermans, Mats | 3-6,5-7 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Caspar Schuetze v Hermans, Mats | 5-7,2-6 |
| ITF Belgium F1 Qual | 2018/06/18 08:00 | Daniel De Jonge v Hermans, Mats | 7-5,5-7,7-6 |
| ITF Belgium F1 Qual | 2018/06/17 11:00 | van Der Meerschen, Martin v Hermans, Mats | 4-6,0-6 |
| ITF Turkey F22 | 2018/06/04 07:30 | Lazdins, Arturs v Hermans, Mats | 7-5,6-1 |
| ITF Turkey F22 | 2018/06/03 07:30 | Sumit Sarkar v Hermans, Mats | 3-6,3-6 |
| ITF Turkey F22 | 2018/06/02 09:00 | Patric Prinoth v Hermans, Mats | 4-6,2-6 |
| ITF Turkey F47 Qual | 2017/12/11 07:15 | Hermans, Mats v Khaledan, Shahin | 1-6,2-6 |
| ITF Netherlands F1 Qual | 2018/06/25 10:50 | Niels Lootsma v Dermiens, Guillaume | 4-6,6-7 |
| ITF Netherlands F1 Qual | 2018/06/24 09:00 | Dermiens, Guillaume v van Baal, Aloys Johannes Willem | 6-2,6-2 |
| ITF Netherlands F1 Qual | 2018/06/23 08:00 | Dermiens, Guillaume v Loncar, Stefan | 6-2,6-3 |
| ITF Belgium F1 Qual | 2018/06/17 08:00 | Dermiens, Guillaume v Quentin Folliot | 1-6,6-7 |
| ITF Belgium F1 Qual | 2018/06/16 08:00 | Dermiens, Guillaume v Tzicas, Charles | 6-4,6-3 |
| ITF Italy F13 | 2018/06/03 08:00 | Dermiens, Guillaume v Kristjan Tamm | 1-6,4-6 |
| ITF Italy F13 | 2018/06/02 07:30 | Dermiens, Guillaume v Endrizzi, Michelangelo | 6-4,6-3 |
| Portugal F4, Singles Qualifying | 2018/03/12 10:00 | Dermiens, Guillaume v Hellfritsch, Lucas | View |