Johnson cramped up in the third set, but fought his way past Thomaz Bellucci.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2016 |
Roland Garros, Qualification WTA
|
1/48 (Special Qual) | Kristina Kucova |
0-6
0-2 |
| 2016 |
Miami Open
|
1/64 | Heather Watson |
1-6
0-6 |
| 2016 |
Indian Wells Masters
|
1/64 | Denisa Allertova |
6-0
6-1 |
| 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 |
