Johnson cramped up in the third set, but fought his way past Thomaz Bellucci.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Dubai Duty Free Tennis Championships, Qualification
|
1/16 | Patricia Maria Tig |
0-3
|
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Morelos
|
1/16 | adrian menendez-maceiras |
6-2
4-6 6-3 |
| 2020 |
Cleveland
|
1/32 | Thomaz Bellucci |
6-7
3-6 |
| 2020 |
Dallas
|
1/16 | Mitchell Krueger |
6-7
6-4 7-6 |
