Round: 26 Ground: Hardcourt indoor
| ITF USA F40 | 2017/12/06 20:30 | Austin Krajicek v Alex Knaff | 6-4,1-6,4-6 |
| ITF USA F37 | 2017/11/14 16:00 | Alex Knaff v Fabrizio Ornago | 1-6,5-7 |
| ITF USA F37 | 2017/11/12 17:30 | Juan I Cabrera v Alex Knaff | 1-6,7-5,6-7 |
| ITF Belgium F8 Qual | 2017/08/07 10:40 | Nikolas Walterscheid-Tukic v Alex Knaff | 6-4,6-3 |
| ITF Belgium F8 Qual | 2017/08/06 08:00 | Raphael Calzi v Alex Knaff | 2-6,0-6 |
| ITF Morocco F3 | 2017/07/30 09:30 | Hugo Daubias v Alex Knaff | 6-3,6-1 |
| ITF Morocco F3 | 2017/07/29 09:00 | Yassir Kilani v Alex Knaff | 3-6,6-3,5-7 |
| ITF Morocco F2 | 2017/07/26 11:00 | Alex Knaff v Florent Diep | 1-6,4-6 |
| ITF USA F40 | 2017/12/06 16:00 | Chase Wood v Jacob Dunbar | 1-6,0-6 |
| ITF USA F40 Qual | 2017/12/04 16:30 | Jacob Dunbar v Mason Beiler | 6-0,6-4 |
| ITF USA F40 Qual | 2017/12/03 18:00 | Jacob Dunbar v Eric Morris | 6-0,6-1 |
| ITF USA F38 | 2017/11/22 17:55 | Luke Bambridge v Jacob Dunbar | 6-1,6-4 |
| ITF USA F38 | 2017/11/21 21:30 | Martin Joyce v Jacob Dunbar | 2-6,5-7 |
| ITF USA F38 | 2017/11/19 16:30 | Jacob Dunbar v Nico Mostardi | 6-0,6-4 |
| ITF USA F38 | 2017/11/18 17:00 | Jacob Dunbar v Yang Liu | 6-0,6-0 |
| ITF USA F36 | 2017/11/06 15:00 | Strong Kirchheimer v Jacob Dunbar | 6-3,5-7,7-6 |