| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros, Qualification ATP
|
1/32 | Renzo Olivo |
6-7
2-6 |
| 2020 |
Prostejov
|
1/16 | Jozef Kovalik |
7-6
6-2 |
| 2020 |
Ostrava
|
1/16 | Lukas Rosol |
2-6
6-4 6-0 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Australian Open WTA
|
1/64 | Hsieh Su-wei |
3-6
0-2 |
| 2016 |
US Open WTA
United States, New York, Flushing Meadows |
1/64 | Johanna Larsson |
4-6
2-6 |
| 2016 |
Cincinnati Masters, Qualification
|
1/12 (Special Qual) | Kurumi Nara |
6-1
7-5 |
| 2016 |
Cincinnati Masters, Qualification
|
1/24 (Special Qual) | Karin Knapp |
7-6
3-6 6-4 |
