| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Erste Bank Open
|
1/8 | Andrey Rublev |
4-6
2-6 |
| 2019 |
Erste Bank Open
|
1/16 | Hyeon Chung |
6-4
7-5 |
| 2019 |
Intrum Stockholm Open, Qualification
|
1/8 | Cedrik-Marcel Stebe |
6-3
3-6 3-6 |
| 2019 |
Rakuten Japan Open Tennis Championships
|
Quarter Finals | David Goffin |
6-2
6-2 |
| 2019 |
Rakuten Japan Open Tennis Championships
|
1/8 | Hyeon Chung |
6-4
3-6 6-1 |
| 2019 |
Rakuten Japan Open Tennis Championships
|
1/16 | Hyeon Chung |
6-3
3-6 4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2016 |
Citi Open, Qualification
|
1/8 | Hiroko Kuwata |
4-6
7-5 6-0 |
| 2016 |
Indian Wells Masters, Qualification
|
1/24 (Special Qual) | Laura Siegemund |
6-2
6-2 |
