Round: 62 Ground: Hardcourt outdoor
| ITF USA F23 Qual | 2018/08/11 13:00 | Ronald Hohmann v Soares Klier, Gilbert | 4-6,6-4,6-7 |
| ITF Canada F4 Qual | 2018/06/23 17:00 | Ronald Hohmann v Griffith, William | 4-6,6-3,1-6 |
| ITF Canada F3 Qual | 2018/06/16 16:00 | Ronald Hohmann v Du Toit, Riaan | 3-6,6-3,2-6 |
| ITF USA F12 | 2018/04/21 20:30 | Kandath, Matthew v Ronald Hohmann | 6-4,6-4 |
| ITF USA F11 | 2018/04/18 14:00 | Ronald Hohmann v Bensoussan, Samuel | 5-7,5-7 |
| ITF USA F11 | 2018/04/16 14:00 | Preston Brown v Ronald Hohmann | 6-7,1-6 |
| ITF USA F11 | 2018/04/15 12:00 | Stice, Tyler v Ronald Hohmann | 6-7,5-7 |
| ITF USA F11 | 2018/04/14 15:00 | Ronald Hohmann v Axel Nefve | 6-1,6-4 |
| ITF USA F14 | 2018/06/09 16:00 | Kandath, Matthew v Sorbo, Jonathan | 6-4,6-4 |
| ITF USA F12 | 2018/04/20 13:00 | Bourchier, Edward v Sorbo, Jonathan | 6-0,6-2 |
| Challenger Drummondville Qual | 2018/03/11 17:45 | Sorbo, Jonathan v Huang, Chih Chi | 2-6,3-6 |
| ITF Canada F2 Qual | 2018/03/04 15:00 | Sorbo, Jonathan v Thomas, Danny | 3-6,1-6 |
| ITF Canada F2 Qual | 2018/03/03 15:00 | Sorbo, Jonathan v Archambault-Laurin, Raphael | 6-4,6-2 |
| ITF Canada F1 Qual | 2018/02/24 15:00 | Sorbo, Jonathan v Shamma, Nicholas | 4-6,5-7 |
| ITF USA F5 | 2018/01/19 13:00 | Vlad Andrei Dancu v Sorbo, Jonathan | 2-6,6-2,6-1 |
| ITF USA F3 Qual | 2018/01/06 16:00 | Sorbo, Jonathan v Oljaca, Mark | 1-6,3-6 |