Stadium: Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Santa Margherita | 2019/04/30 12:05 | Mick Veldheer v Jules Okala | 6-1,2-6,3-6 |
| ITF M25 Santa Margherita | 2019/04/25 12:00 | Mick Veldheer v Liam Caruana | 3-6,7-6,2-6 |
| ITF M25 Santa Margherita | 2019/04/23 16:55 | Mick Veldheer v Ronald Slobodchikov | 6-1,6-1 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Tamaki Yamao v Mick Veldheer | 6-1,6-4 |
| ITF M15 Tsukuba | 2019/03/30 01:00 | Mick Veldheer v Jumpei Yamasaki | 2-6,2-6 |
| ITF M15 Tsukuba | 2019/03/28 05:30 | Makoto Ochi v Mick Veldheer | 4-6,6-3,4-6 |
| ITF M15 Tsukuba | 2019/03/27 02:35 | Ryuki Matsuda v Mick Veldheer | 1-6,5-7 |
| ITF M15 Tsukuba | 2019/03/25 04:30 | Mick Veldheer v Tamaki Yamao | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2019/03/21 08:00 | Enrico Dalla Valle v Kai Lemstra | 6-1,6-1 |
| ITF M15 Sharm El Sheikh | 2019/03/20 09:40 | Stefan Palosi v Kai Lemstra | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/18 12:30 | Fabrizio Andaloro v Kai Lemstra | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/18 09:30 | Kai Lemstra v Dominik Nazaruk | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2019/03/11 08:00 | Kai Lemstra v Kristjan Tamm | 2-6,2-6 |
| ITF M15 Sharm El Sheikh | 2019/03/04 08:00 | George Tsivadze v Kai Lemstra | 2-6,6-4,10-3 |
| ITF M15 Kaarst | 2019/02/06 11:00 | Kai Lemstra v Mats Rosenkranz | 6-7,6-2,4-6 |
| ITF M15 Kaarst | 2019/02/04 20:45 | Tim Heger v Kai Lemstra | 6-4,3-6,9-11 |