| ITF USA F31 | 11/14 17:25 | 25 | Jordi Arconada v Trevor A Johnson | 6-3,6-3 | |
| ITF USA F30 | 11/09 19:00 | 27 | Fabrizio Ornago v Trevor A Johnson | 6-2,6-4 | |
| ITF USA F30 | 11/08 18:30 | 26 | Juan A H Serrano v Trevor A Johnson | 6-7,0-6 | |
| ITF USA F30 | 11/07 20:05 | 25 | Pierre Luquet v Trevor A Johnson | 5-7,6-2,1-6 | |
| Challenger - Las Vegas | 10/20 22:05 | 45 | Trevor A Johnson v Alexander Sarkissian | 4-6,2-6 | |
| ITF USA F22 | 08/08 14:00 | 25 | Trevor A Johnson v Sebastien Boltz | 6-4,2-6,3-6 | |
| ITF USA F19 | 07/05 17:05 | 26 | Ryan Peniston v Trevor A Johnson | 6-2,6-2 | |
| ITF USA F19 | 07/03 13:30 | 25 | Trevor A Johnson v Evan Zhu | 6-2,4-6,6-3 | |
| ITF USA F17 | 06/29 15:00 | 27 | Trevor A Johnson v Marc-Andrea Huesler | 6-3,6-7,4-6 | |
| ITF USA F17 | 06/28 18:00 | 26 | Nicolaas Scholtz v Trevor A Johnson | 6-7,4-6 | |
| ITF USA F17 | 06/27 15:00 | 25 | Alexandru Gozun v Trevor A Johnson | 6-3,6-7,4-6 | |
| ITF USA F15 | 06/21 16:20 | 26 | Henry Craig v Trevor A Johnson | 4-6,6-3,7-5 | |
| ITF USA F15 | 06/20 14:00 | 25 | Trevor A Johnson v Collin Altamirano | Retired | |
| ITF USA F15 Qual | 06/18 17:05 | 62 | Trevor A Johnson v Gage Brymer | 6-1,2-6,7-6 | |
| ITF USA F15 Qual | 06/17 14:00 | 62 | Trevor A Johnson v Tim Kopinski | 7-6,4-6,6-1 | |
| ITF USA F13 | 06/12 14:00 | 25 | Trevor A Johnson v Yuval Solomon | 7-5,4-6,4-6 | |
| ITF USA F13 Qual | 06/11 14:00 | 62 | Trevor A Johnson v Matthew Terry | 6-3,4-6,7-6 | |
| ITF USA F13 Qual | 06/10 14:00 | 62 | Trevor A Johnson v Robert Kelly | 6-1,6-1 | |
| ITF USA F13 Qual | 06/09 13:00 | 62 | Trevor A Johnson v Austin Johnson | 6-1,6-1 | |
| ITF USA F2 | 01/10 22:25 | 25 | Sam Riffice v Trevor A Johnson | 3-6,6-4,6-3 | |
| ITF USA F39 | 12/01 19:20 | 28 | Alexander Ward v Trevor A Johnson | 6-2,7-5 | |
| ITF USA F39 | 11/30 19:40 | 27 | Trevor A Johnson v Austin Krajicek | 6-3,6-0 | |
| ITF USA F39 | 11/29 16:00 | 26 | Trevor A Johnson v Carl Soderlund | 6-1,6-2 | |
| ITF USA F39 | 11/28 17:15 | 25 | Dennis Nevolo v Trevor A Johnson | 3-6,1-6 | |
| ITF USA F39 Qual | 11/27 17:35 | 62 | Trevor A Johnson v Lucas Gerch | 7-5,6-3 | |
| ITF USA F39 Qual | 11/25 20:00 | 62 | Trevor A Johnson v Louis Siegler | 6-2,6-1 | |
| Challenger Las Vegas Qual | 10/15 18:00 | 46 | Trevor A Johnson v Frederik Nielsen | 7-6,2-6,3-6 | |
| Challenger Las Vegas Qual | 10/14 17:30 | 45 | Trevor A Johnson v Curtis Clarke | 6-0,6-1 | |
| ITF USA F33 | 10/10 15:00 | 25 | Christopher Eubanks v Trevor A Johnson | 7-5,3-6,7-5 | |
| ITF USA F33 Qual | 10/09 15:00 | 62 | Mac Kiger v Trevor A Johnson | 2-6,4-6 |