Round: 26 Ground: Clay
| ITF Italy F12 | 2017/05/10 07:30 | Mertens, Yannick v Ollert, Lukas | 6-3,4-6,2-6 |
| ITF USA F15 | 2017/04/27 17:00 | Ollert, Lukas v Rodriguez-Pace, Ricardo | 6-4,3-6,4-6 |
| ITF USA F15 | 2017/04/25 15:00 | Ollert, Lukas v Naoki Nakagawa | 7-6,6-3 |
| ITF USA F14 | 2017/04/20 16:50 | Mantilla, Felipe v Ollert, Lukas | 7-6,6-2 |
| ITF USA F14 | 2017/04/18 14:00 | Ollert, Lukas v Yosuke Watanuki | 6-4,7-6 |
| ITF Egypt F9 | 2017/03/17 08:00 | Aldin Setkic v Ollert, Lukas | 6-2,6-7,6-1 |
| ITF Egypt F9 | 2017/03/16 08:00 | Ollert, Lukas v Federico Zeballos | 6-0,6-4 |
| ITF Egypt F9 | 2017/03/15 10:50 | Rudolf Molleker v Ollert, Lukas | 6-3,6-7,5-7 |
| ITF Italy F12 | 2017/05/09 07:30 | Rizzuti, Giovanni v Westerhof, Boy | 3-6,6-0,1-6 |
| ITF France F9 | 2017/04/28 10:30 | Westerhof, Boy v Maxime Janvier | 6-2,7-6 |
| ITF France F9 | 2017/04/27 11:20 | Hamou, Maxime v Westerhof, Boy | 3-6,6-7 |
| ITF France F9 | 2017/04/26 12:15 | Westerhof, Boy v Okala, Jules | 6-4,6-2 |
| ITF Nigeria F6 | 2016/10/20 11:15 | Westerhof, Boy v Calvin Hemery | 2-6,7-6,1-6 |
| ITF Nigeria F6 | 2016/10/19 12:40 | Westerhof, Boy v Ubon, Joseph Imeh | 6-3,6-2 |
| ITF Nigeria F6 | 2016/10/18 10:30 | Westerhof, Boy v N'Tcha, Delmas | 6-4,6-0 |
| Nigeria F5, Singles | 2016/10/13 08:30 | Lopez Perez v Westerhof, Boy | 6-4,7-5 |