| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Western & Southern Open, Qualification
|
1/14 (Special Qual) | Denis Istomin |
6-1
6-7 4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Eastern European Championship, Second Stage
|
Championship | Damir Dzumhur |
3-6
7-6 6-4 |
| 2020 |
Eastern European Championship
|
Championship | Blaz Rola |
6-7
6-4 7-6 |
| 2020 |
Dubai Tennis Championships, Qualification
|
1/8 | Dennis Novak |
6-7
7-6 4-6 |
| 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 |
