Stadium: Court 2 Round: 62 Ground: Hardcourt outdoor
| ITF USA F21 Qual | 2018/07/28 17:00 | Jonathan Chang v David Metz | 6-2,6-0 |
| ITF USA F20 | 2018/07/25 17:20 | Jonathan Chang v Petros Chrysochos | 0-6,6-3,4-6 |
| ITF USA F20 | 2018/07/24 20:40 | Jonathan Chang v Jenson Brooksby | 6-4,6-4 |
| ITF USA F20 Qual | 2018/07/23 16:50 | Jonathan Chang v Alexander Cozbinov | 6-3,6-2 |
| ITF USA F20 Qual | 2018/07/22 16:30 | Jonathan Chang v Abhijeet Joshi | 6-1,6-3 |
| ITF USA F20 Qual | 2018/07/21 15:00 | Jonathan Chang v Kyle Johnson | 6-2,6-2 |
| ITF USA F15 Qual | 2018/06/16 15:30 | Jonathan Chang v Reese Stalder | 4-6,4-6 |
| ITF USA F13 Qual | 2018/06/10 14:00 | Drew Van Orderlain v Jonathan Chang | 7-5,6-2 |
| ITF USA F21 Qual | 2018/07/28 17:00 | Kaptan Kaster v Alex Blumenberg | 2-6,2-6 |
| ITF USA F20 Qual | 2018/07/22 16:30 | Alfredo Perez v Alex Blumenberg | 7-6,6-4 |
| ITF USA F20 Qual | 2018/07/21 15:00 | Bradley Holt v Alex Blumenberg | 6-7,2-6 |
| ITF USA F19B Qual | 2018/07/15 15:00 | Alexander Lebedev v Alex Blumenberg | 6-4,5-7,6-1 |
| ITF Brazil F2 | 2018/04/30 15:00 | Tomas Martin Etcheverry v Alex Blumenberg | 6-4,6-2 |
| ITF Brazil F2 | 2018/04/29 15:00 | Alex Blumenberg v Igor Sao Thiago | 6-4,5-7,6-4 |
| ITF Brazil F2 | 2018/04/28 17:30 | Alex Blumenberg v Enrico dos Santos Lima | 6-3,6-4 |
| ITF Brazil F1 | 2018/04/22 15:30 | Alex Blumenberg v Enrique Bogo | 3-6,4-6 |