Stadium: Hard Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF Turkey F7 | 2018/02/18 06:30 | Kazuki Shimizu v Ryan Nijboer | 6-4,3-6,6-4 |
| ITF USA F6 | 2018/01/31 15:00 | Ryan Nijboer v Alejandro Gomez | 1-6,6-3,2-6 |
| ITF USA F5 | 2018/01/20 17:00 | Ryan Nijboer v Ty Trombetta | 2-6,2-6 |
| ITF USA F5 | 2018/01/19 17:00 | Ryan Nijboer v Matthew Rodriguez | 6-1,6-3 |
| Lotto NK Tennis | 2017/12/15 17:30 | Ryan Nijboer v Justin Eleveld | 6-7,0-6 |
| ITF South Africa F3 | 2017/12/05 07:30 | Ryan Nijboer v Leonard Von Hindte | 2-6,5-7 |
| ITF South Africa F2 | 2017/11/29 07:30 | Nicolaas Scholtz v Ryan Nijboer | 6-7,7-6,6-2 |
| ITF South Africa F2 Qual | 2017/11/27 12:45 | Ryan Nijboer v Khololwam Montsi | 6-4,6-0 |
| ITF Turkey F7 | 2018/02/18 06:30 | Jeff Guerrero v Franco Capalbo | 3-6,5-7 |
| ITF Argentina F12 | 2017/12/03 12:00 | Guido Ivan Justo v Jeff Guerrero | 6-1,6-0 |
| ITF Egypt F21 | 2017/07/18 16:00 | Jeff Guerrero v Vladyslav Orlov | 3-6,1-6 |
| ITF Egypt F20 | 2017/07/09 14:30 | Vladyslav Orlov v Jeff Guerrero | 6-1,6-0 |
| ITF Egypt F20 | 2017/07/08 16:30 | Jeff Guerrero v Omar El-Moslemany | 7-6,4-6,6-4 |
| ITF Egypt F19 | 2017/07/03 16:00 | Vladyslav Orlov v Jeff Guerrero | 3-6,6-4,6-1 |
| ITF Egypt F19 | 2017/07/02 15:00 | Garry Tokas v Jeff Guerrero | 1-6,0-6 |
| ITF Egypt F18 | 2017/06/26 16:00 | David Juras v Jeff Guerrero | 7-5,6-0 |