Johnson cramped up in the third set, but fought his way past Thomaz Bellucci.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Delray Beach Open
|
1/16 | Thiago Monteiro |
3-6
5-7 |
| 2020 |
Campinas
|
1/8 | Mohamed Safwat |
6-2
4-6 3-6 |
| 2020 |
Sao Paulo
|
1/8 | Frederico Ferreira Silva |
6-3
6-1 |
| 2020 |
Sao Paulo
|
1/16 | Thomaz Bellucci |
6-2
6-0 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Family Circle Cup
|
1/16 | Andrea Petkovic |
6-1
1-6 2-6 |
| 2015 |
Family Circle Cup
|
1/32 | Chanelle Scheepers |
2-6
6-2 4-6 |
| 2015 |
Sony Open Tennis, Qualification
|
1/12 (Special Qual) | Evgeniya Rodina |
6-0
4-6 2-6 |
| 2015 |
Sony Open Tennis, Qualification
|
1/24 (Special Qual) | Chanelle Scheepers |
6-4
6-0 |
| 2015 |
BNP Paribas Open
|
1/64 | Sloane Stephens |
7-5
7-5 |
