| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2016 |
Open 13, Qualification
|
Quarter Finals | Mischa Zverev |
3-6
1-6 |
| 2012 |
US Open, Qualification
|
1/64 | Mischa Zverev |
6-1
6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
International Tennis Series
|
Championship | James Cerretani |
2-4
0-0 |
| 2020 |
International Tennis Series
|
Championship | Paolo Lorenzi |
4-2
4-2 |
| 2020 |
Indian Wells
|
1/16 | Gregoire Barrere |
3-6
6-3 5-7 |
| 2020 |
Mexican Open
|
1/16 | John Isner |
6-3
7-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Istanbul
|
1/16 | Ramkumar Ramanathan |
2-6
2-6 |
| 2019 |
Nur-Sultan
|
1/32 | Illya Marchenko |
7-6
7-6 |
| 2018 |
Antalya Open, Qualification
|
1/8 | Taro Daniel |
6-3
3-6 6-3 |
