Johnson cramped up in the third set, but fought his way past Thomaz Bellucci.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Tianjin Open, Qualification
|
1/12 (Special Qual) | Sabine Lisicki |
6-2
6-1 |
| 2018 |
Tashkent Open
|
1/16 | Vera Lapko |
1-6
3-6 |
| 2018 |
US Open, Qualification WTA
|
1/32 | Anastasia Potapova |
6-7
3-6 |
| 2018 |
US Open, Qualification WTA
|
1/64 | Bojana Jovanovski |
6-4
6-4 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Morelos
|
1/16 | adrian menendez-maceiras |
6-2
4-6 6-3 |
| 2020 |
Cleveland
|
1/8 | Thomaz Bellucci |
3-6
4-6 |
| 2020 |
Cleveland
|
1/32 | Thomaz Bellucci |
6-7
3-6 |
