Round: 54 Ground: Clay
| ITF Netherlands F5 | 2017/08/12 10:30 | Knoop, Herman Meeuwes Mattheo v Hermans, Mats | 6-7,3-6 |
| ITF M15 Oldenzaal | 2019/08/12 07:30 | Hermans, Mats v Nareyka, Bjorn | 6-3,6-0 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/29 13:30 | Arh, Anze v Hermans, Mats | 6-3,6-4 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/29 07:30 | Ben Brahim, Zakaria v Hermans, Mats | 2-6,1-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/25 08:00 | Dhoe, Benjamin v Hermans, Mats | 7-5,5-7,6-2 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/24 09:25 | Hermans, Mats v Ben Hassen, Ameur | 6-1,6-0 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/22 13:00 | Ben Abdallah, Skander v Hermans, Mats | 0-6,3-6 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/22 07:30 | Noskin, Egor v Hermans, Mats | 2-6,6-4,7-10 |
| Tabarka, Singles Qualifying M-ITF-TUN-41A | 2019/07/17 12:15 | Andrea Picchione v Hermans, Mats | 6-3,3-6,6-3 |
| ITF M15 Oldenzaal | 2019/08/12 07:30 | Mannapov, Alexander v Knoop, Herman Meeuwes Mattheo | 1-6,4-6 |
| ITF M15 Alkmaar | 2019/06/24 09:30 | Tverijonas, Julius v Knoop, Herman Meeuwes Mattheo | 6-2,6-2 |
| ITF South Africa F3 | 2018/12/03 12:00 | Knoop, Herman Meeuwes Mattheo v Thirouin, Jean | 0-6,3-6 |
| ITF South Africa F3 Qual | 2018/12/02 07:00 | Shamma, Nicholas v Knoop, Herman Meeuwes Mattheo | 4-6,0-6 |
| ITF South Africa F3 Qual | 2018/12/01 07:00 | Wilson Baig, Euan v Knoop, Herman Meeuwes Mattheo | 3-6,2-6 |
| Afrique du Sud F2, Qualifications Simples | 2018/11/25 11:00 | Shamma, Nicholas v Knoop, Herman Meeuwes Mattheo | 6-3,6-3 |
| ITF South Africa F1 Qual | 2018/11/17 07:00 | Knoop, Herman Meeuwes Mattheo v Holt, Bradley | 3-6,6-3,5-7 |
| ITF Germany F16 | 2018/10/21 10:30 | Willems, Johann v Knoop, Herman Meeuwes Mattheo | 6-4,6-3 |