Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF USA F20 | 2018/07/25 16:00 | Sebastian Korda v Dunbar, Jacob | 7-6,6-1 |
| ITF USA F20 | 2018/07/24 15:00 | Guy Orly Iradukunda v Dunbar, Jacob | 4-6,1-6 |
| ITF USA F19B | 2018/07/18 17:50 | Dunbar, Jacob v Nick Chappell | 6-4,2-6,5-7 |
| ITF USA F19 | 2018/07/05 16:05 | Dunbar, Jacob v Aleksandar Vukic | 6-1,2-6,3-6 |
| ITF USA F19 | 2018/07/04 13:30 | Dunbar, Jacob v Kessler, Mcclain | 6-1,6-0 |
| ITF USA F18 | 2018/06/28 15:35 | Dunbar, Jacob v Gomez, Alejandro | 3-6,1-6 |
| ITF USA F18 | 2018/06/26 15:35 | Dunbar, Jacob v Hovhannisyan, Mousheg | 6-3,6-7,6-2 |
| ITF USA F15 | 2018/06/20 14:00 | Riffice, Sam v Dunbar, Jacob | 6-3,6-4 |
| ITF USA F21 Qual | 2018/07/31 15:00 | Maxime Cressy v Cozbinov, Alexander | 6-4,6-4 |
| ITF USA F21 Qual | 2018/07/30 15:00 | Boris Kozlov v Cozbinov, Alexander | 6-4,6-7,2-6 |
| ITF USA F21 Qual | 2018/07/28 17:00 | Matt Kuhar v Cozbinov, Alexander | 4-6,3-6 |
| ITF USA F20 Qual | 2018/07/23 16:50 | Chang, Jonathan v Cozbinov, Alexander | 6-3,6-2 |
| ITF USA F20 Qual | 2018/07/22 15:00 | Huang, Austen v Cozbinov, Alexander | 3-6,2-6 |
| ITF USA F19B Qual | 2018/07/16 17:25 | Lebedev, Alexander v Cozbinov, Alexander | 6-2,6-4 |
| ITF USA F19B Qual | 2018/07/15 15:00 | Kaster, Kaptan v Cozbinov, Alexander | 0-6,3-6 |
| ITF USA F17 Qual | 2018/06/26 15:00 | Spec, Matic v Cozbinov, Alexander | 7-6,6-4 |