| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Davis Cup Qualifying Round
|
Championship | Tommy Paul |
6-3
6-0 |
| 2020 |
Davis Cup Qualifying Round
|
Championship | Reilly Opelka |
6-2
7-5 |
| 2020 |
Columbus
|
1/8 | Denis Istomin |
3-6
1-6 |
| 2020 |
Delray Beach Open
|
1/16 | Milos Raonic |
2-6
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Korea Open Tennis
|
1/8 | Irina-Camelia Begu |
6-4
6-3 |
| 2018 |
Korea Open Tennis
|
1/16 | Agnieszka Radwanska |
4-6
5-7 |
| 2018 |
US Open WTA
|
1/64 | Tatjana Maria |
3-6
3-6 |
| 2018 |
Connecticut Open
|
1/16 | Petra Kvitova |
1-6
6-7 |
