Johnson cramped up in the third set, but fought his way past Thomaz Bellucci.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
US Open, Qualification WTA
|
1/64 | Mayo Hibi |
6-3
1-6 2-6 |
| 2015 |
Wimbledon WTA
|
1/64 | Urszula Radwanska |
2-6
1-6 |
| 2015 |
Family Circle Cup
|
1/32 | Madison Brengle |
7-6
4-6 2-6 |
| 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 |
