Stadium: Court 1 (Center) Round: 25 Ground: Clay
| ITF M15 Den Haag | 2019/07/02 07:30 | Michael-John Every v Mats Hermans | 3-6,2-6 |
| ITF M15 Den Haag | 2019/07/01 10:00 | Yannick Verwater v Mats Hermans | 3-6,2-6 |
| ITF M15 Alkmaar | 2019/06/24 09:30 | Remy Bertola v Mats Hermans | 6-4,6-3 |
| ITF M15 Antalya | 2019/05/01 12:55 | Mats Hermans v Tim Heger | 6-7,7-5,6-7 |
| ITF M15 Antalya | 2019/04/30 07:15 | Kuzey Cekirge v Mats Hermans | 4-6,2-6 |
| ITF M15 Antalya | 2019/04/23 07:00 | Jordi Walder v Mats Hermans | 7-6,7-6 |
| ITF M15 Antalya | 2019/04/22 07:00 | Dusan Obradovic v Mats Hermans | 3-6,6-2,7-10 |
| ITF M15 Kaarst | 2019/02/04 08:30 | Mats Hermans v Piotr Matuszewski | 6-4,2-6,8-10 |
| ITF M15 Alkmaar | 2019/06/28 14:35 | Jesper De Jong v Igor Sijsling | 7-6,3-6,6-4 |
| ITF M15 Alkmaar | 2019/06/27 15:15 | Michiel de Krom v Igor Sijsling | 3-6,3-6 |
| ITF M15 Alkmaar | 2019/06/26 11:00 | Roy Sarut De Valk v Igor Sijsling | 6-4,1-6,2-6 |
| ITF M25 Doboj | 2019/05/18 08:00 | Igor Sijsling v Botic Van De Zandschulp | 6-4,4-6,3-6 |
| ITF M25 Doboj | 2019/05/17 08:00 | Igor Sijsling v Milan Drinic | 1-6,6-2,6-3 |
| ITF M25 Doboj | 2019/05/16 08:00 | Igor Sijsling v Jakob Sude | 6-2,6-1 |
| ITF M25 Doboj | 2019/05/15 08:15 | Igor Sijsling v Frane Nincevic | 2-6,6-1,6-4 |
| ITF M25 Prijedor | 2019/05/10 14:30 | Igor Sijsling v Nerman Fatic | 0-6,3-6 |