Round: 25 Ground: Clay
| ITF Netherlands F1 | 2017/06/22 17:45 | de Bakker, Thiemo v Westerhof, Boy | 6-2,6-2 |
| ITF Turkey F22 | 2017/06/07 11:50 | Vilella Martinez, Mario v Westerhof, Boy | 6-3,6-2 |
| ITF Sweden F2 | 2017/05/17 10:00 | Vilella Martinez, Mario v Westerhof, Boy | 7-6,4-6,6-3 |
| ITF Sweden F2 | 2017/05/16 08:15 | Arvidsson Ehn, Jakob v Westerhof, Boy | 1-6,2-6 |
| ITF Italy F12 | 2017/05/14 09:00 | Westerhof, Boy v Juan Pablo Ficovich | 3-6,4-6 |
| ITF Italy F12 | 2017/05/13 09:00 | Westerhof, Boy v Hernan Casanova | 7-6,7-5 |
| ITF Italy F12 | 2017/05/12 09:00 | Westerhof, Boy v Vandenbulcke, Yannick | 6-1,6-3 |
| ITF Italy F12 | 2017/05/11 08:55 | Ollert, Lukas v Westerhof, Boy | 5-7,3-6 |
| ITF Netherlands F2 Qual | 2017/06/26 11:25 | Veldheer, Mick v van Der Lans, Fabian | 6-1,6-2 |
| ITF Netherlands F2 Qual | 2017/06/25 09:00 | Veldheer, Mick v Konings, Ruben | 6-4,6-4 |
| ITF Netherlands F1 | 2017/06/22 09:30 | Veldheer, Mick v Ivanov, Vladimir | 7-5,4-6,2-6 |
| ITF Netherlands F1 | 2017/06/20 10:30 | Luke Simkiss v Veldheer, Mick | 3-6,0-6 |
| ITF Italy F16 Qual | 2017/06/05 09:30 | Wilson Leite v Veldheer, Mick | 6-1,6-4 |
| ITF Italy F16 Qual | 2017/06/04 11:45 | Sardella, Edoardo v Veldheer, Mick | 5-7,1-6 |
| ITF Czech Republic F3 Qual | 2017/05/28 08:30 | Veldheer, Mick v Mayer, Patrick | 3-6,6-7 |
| ITF Czech Republic F3 Qual | 2017/05/27 08:00 | Veldheer, Mick v Jiri Lehecka | 5-7,7-6,6-4 |