Round: 28
| ITF France F18 | 2017/09/04 12:55 | Frederik Nielsen v Romain Bauvy | 6-0,6-7,4-6 |
| ITF France F18 Qual | 2017/09/03 14:25 | Frederik Nielsen v Tommaso Metti | 6-2,6-4 |
| ITF France F18 Qual | 2017/09/02 13:20 | Frederik Nielsen v Louis Dussin | 6-1,6-2 |
| ITF Portugal F18 | 2017/08/29 16:00 | Wilfredo Gonzalez v Frederik Nielsen | 3-6,7-5,6-0 |
| Challenger Vancouver Qual | 2017/08/13 18:00 | Frederik Nielsen v Takanyi Garanganga | 4-6,7-5,3-6 |
| Challenger Vancouver Qual | 2017/08/12 19:05 | Austin Krajicek v Frederik Nielsen | 2-6,3-6 |
| Challenger Aptos | 2017/08/08 18:00 | Frederik Nielsen v Tennys Sandgren | 2-6,4-6 |
| Challenger Aptos Qual | 2017/08/06 18:35 | Frederik Nielsen v Bradley Mousley | 6-0,4-6,6-3 |
| ATP Winston-Salem Qual | 2017/08/19 17:50 | Marton Fucsovics v Nicolaas Scholtz | 6-1,6-2 |
| ITF USA F27 | 2017/08/09 16:45 | Nicolaas Scholtz v Or Ram-Harel | 7-6,6-7,3-6 |
| ITF Zimbabwe F3 | 2017/07/01 08:00 | Baptiste Crepatte v Nicolaas Scholtz | 7-6,3-6,3-6 |
| ITF Zimbabwe F3 | 2017/06/30 08:00 | Lucas Catarina v Nicolaas Scholtz | 4-6,2-6 |
| ITF Zimbabwe F3 | 2017/06/29 07:00 | Nathaniel Lammons v Nicolaas Scholtz | 3-6,1-6 |
| ITF Zimbabwe F3 | 2017/06/28 10:10 | Thomas Setodji v Nicolaas Scholtz | 4-6,5-7 |
| ITF Zimbabwe F3 | 2017/06/27 08:35 | Hugo Largo v Nicolaas Scholtz | 2-6,4-6 |
| ITF Zimbabwe F2 | 2017/06/24 08:00 | Baptiste Crepatte v Nicolaas Scholtz | 6-3,7-6 |