Round: 25 Ground: Clay
| ITF USA F14 | 2017/04/20 16:50 | Felipe Mantilla v Lukas Ollert | 7-6,6-2 |
| ITF USA F14 | 2017/04/18 14:00 | Lukas Ollert v Yosuke Watanuki | 6-4,7-6 |
| ITF Egypt F9 | 2017/03/17 08:00 | Aldin Setkic v Lukas Ollert | 6-2,6-7,6-1 |
| ITF Egypt F9 | 2017/03/16 08:00 | Lukas Ollert v Federico Zeballos | 6-0,6-4 |
| ITF Egypt F9 | 2017/03/15 10:50 | Rudolf Molleker v Lukas Ollert | 6-3,6-7,5-7 |
| ITF Egypt F8 | 2017/03/09 08:00 | Aldin Setkic v Lukas Ollert | 6-3,6-2 |
| ITF Egypt F8 | 2017/03/08 11:25 | Ivan Kosec v Lukas Ollert | 1-6,3-6 |
| ITF Turkey F6 | 2017/02/14 08:55 | Nicolae Frunza v Lukas Ollert | 6-1,7-5 |
| ITF USA F14 | 2017/04/19 14:00 | Naoki Nakagawa v Cameron Silverman | 5-7,6-4,2-6 |
| ITF Italy F7 | 2017/04/05 17:15 | Salvatore Caruso v Naoki Nakagawa | 6-1,7-5 |
| ITF Italy F7 | 2017/04/04 10:30 | Walter Trusendi v Naoki Nakagawa | 3-6,6-2,3-6 |
| ITF Italy F7 Qual | 2017/04/02 07:30 | Naoki Nakagawa v Alexander Weis | 6-7,6-3,6-0 |
| ITF Italy F7 Qual | 2017/04/01 07:30 | Naoki Nakagawa v Georg Winkler | 6-4,7-5 |
| ITF Croatia F3 | 2017/03/26 09:00 | Naoki Nakagawa v Yannick Vandenbulcke | 1-6,2-6 |
| ITF Croatia F3 | 2017/03/25 10:00 | Jurij Rodionov v Naoki Nakagawa | 4-6,6-2,4-6 |
| ITF Croatia F3 | 2017/03/24 10:00 | Alen Avidzba v Naoki Nakagawa | 3-6,6-4,2-6 |