Stadium: Stadium Round: 25 Ground: Hardcourt outdoor
| ITF USA F11 | 2018/04/15 13:00 | Alexandre Rotsaert v Karl Poling | 6-4,6-4 |
| ITF USA F11 | 2018/04/13 16:00 | Karl Poling v Conner McMann | 6-1,6-1 |
| ITF USA F9 Qual | 2018/03/31 14:00 | Karl Poling v Jack Findel-Hawkins | 2-6,2-6 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Karl Poling v Pavel Krainik | 5-7,2-6 |
| ITF Canada F1 Qual | 2018/02/24 15:00 | Karl Poling v Trey Hilderbrand | 7-6,3-6,4-6 |
| Challenger Dallas Qual | 2018/01/28 17:20 | Inigo C Huegun v Karl Poling | 6-1,6-4 |
| Challenger Dallas Qual | 2018/01/27 19:10 | Hans Hach Verdugo v Karl Poling | 7-6,4-6,4-6 |
| ITF USA F4 | 2018/01/15 15:00 | David Volfson v Karl Poling | 6-4,2-6,6-3 |
| Challenger Sarasota Qual | 2018/04/14 19:30 | Strong Kirchheimer v Kaichi Uchida | 3-6,3-6 |
| Challenger Sarasota Qual | 2018/04/14 15:40 | Strong Kirchheimer v Micah Braswell | 6-2,6-4 |
| ITF USA F10 | 2018/04/12 23:00 | Nicolaas Scholtz v Strong Kirchheimer | 6-2,6-4 |
| ITF USA F10 | 2018/04/11 20:10 | Christopher G Haworth v Strong Kirchheimer | 4-6,1-6 |
| ITF USA F9 Qual | 2018/04/02 14:00 | Strong Kirchheimer v Christopher G Haworth | 6-4,4-6,2-6 |
| ITF USA F9 Qual | 2018/03/31 14:00 | Strong Kirchheimer v Conner McMann | 6-2,6-3 |
| ITF Canada F2 | 2018/03/07 19:20 | Strong Kirchheimer v Alejandro Gomez | 2-6,7-6,3-6 |
| ITF Canada F1 | 2018/03/04 18:00 | Ugo Humbert v Strong Kirchheimer | 6-4,6-0 |