Stadium: Round: 25 Ground: Hardcourt outdoor
| ITF USA F19 | 2018/07/05 17:05 | Ryan Peniston v Johnson, Trevor Allen | 6-2,6-2 |
| ITF USA F19 | 2018/07/03 13:30 | Johnson, Trevor Allen v Evan Zhu | 6-2,4-6,6-3 |
| ITF USA F17 | 2018/06/29 15:00 | Johnson, Trevor Allen v Marc-Andrea Huesler | 6-3,6-7,4-6 |
| ITF USA F17 | 2018/06/28 18:00 | Scholtz, Nicolaas v Johnson, Trevor Allen | 6-7,4-6 |
| ITF USA F17 | 2018/06/27 15:00 | Gozun, Alexandru v Johnson, Trevor Allen | 6-3,6-7,4-6 |
| ITF USA F15 | 2018/06/21 16:20 | Craig, Henry v Johnson, Trevor Allen | 4-6,6-3,7-5 |
| ITF USA F15 Qual | 2018/06/18 17:05 | Johnson, Trevor Allen v Brymer, Gage | 6-1,2-6,7-6 |
| ITF USA F15 Qual | 2018/06/17 14:00 | Johnson, Trevor Allen v Kopinski, Tim | 7-6,4-6,6-1 |
| ITF USA F21 | 2018/08/02 16:40 | Nicolas Alvarez v Boltz, Sebastien | 4-6,7-6,6-1 |
| ITF USA F21 | 2018/08/01 14:00 | Keegan Smith v Boltz, Sebastien | 4-6,6-7 |
| ITF USA F20 | 2018/07/25 20:40 | Mcnally, John v Boltz, Sebastien | 3-6,6-1,6-4 |
| ITF USA F20 | 2018/07/24 15:00 | Nick Chappell v Boltz, Sebastien | 4-6,5-7 |
| ITF USA F19B | 2018/07/20 17:40 | Evgeny Karlovskiy v Boltz, Sebastien | 3-6,7-5,6-3 |
| ITF USA F19B | 2018/07/19 19:00 | Guy Orly Iradukunda v Boltz, Sebastien | 2-6,6-7 |
| ITF USA F19B | 2018/07/18 15:00 | Soderlund, Carl v Boltz, Sebastien | 6-7,6-7 |
| ITF Spain F17 | 2018/07/03 16:30 | Alejandro Davidovich Fokina v Boltz, Sebastien | 6-2,6-1 |