Stadium: Court 1 Round: 62 Ground: Clay
| ITF Netherlands F3 | 2018/07/07 14:00 | Kaczynski, Kevin v Anselmo, Baptiste | 6-1,3-6,6-3 |
| ITF Netherlands F3 | 2018/07/07 09:30 | Kaczynski, Kevin v Deelstra, Laurens | 6-1,1-6,6-4 |
| ITF Netherlands F2 | 2018/07/04 08:00 | Heliovaara, Harri v Kaczynski, Kevin | 6-3,6-1 |
| ITF Netherlands F2 Qual | 2018/07/02 12:20 | Kaczynski, Kevin v Wagemaker, Pascal Juraj | 6-2,6-2 |
| ITF Germany F5 | 2018/06/25 11:30 | Kaczynski, Kevin v Fabian Marozsan | 3-6,2-6 |
| ITF Germany F5 | 2018/06/25 08:00 | Kaczynski, Kevin v Miles, Lewis | 6-2,6-4 |
| ITF South Africa F3 | 2017/12/05 10:30 | Kaczynski, Kevin v Peter Heller | 7-5,2-6,2-6 |
| South Africa F2, Singles | 2017/11/29 07:30 | Kaczynski, Kevin v Mitjana, Leny | 6-7,3-6 |
| ITF Netherlands F3 | 2018/07/08 07:30 | Naser, Javier v Verwater, Yannick | 6-2,6-1 |
| ITF Netherlands F3 | 2018/07/07 07:30 | van Der Horst, Tim v Naser, Javier | 1-6,1-6 |
| ITF Netherlands F2 | 2018/07/04 11:10 | Fernando Yamacita v Naser, Javier | 1-6,6-3,6-2 |
| ITF Netherlands F2 Qual | 2018/07/02 08:00 | Van Terheijden, Tim v Naser, Javier | 6-4,4-6,4-6 |
| ITF USA F18 | 2018/06/24 14:00 | Fainblum, Daniel v Naser, Javier | 6-4,2-6,6-2 |
| ITF USA F16 | 2018/06/17 17:00 | Mcnally, John v Naser, Javier | 6-4,6-1 |
| ITF USA F16 | 2018/06/16 19:00 | Naser, Javier v Boris Kozlov | 6-3,4-6,7-6 |
| ITF Argentina F3 | 2018/05/29 20:05 | Naser, Javier v Estevez Maximiliano | 4-6,0-6 |