| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Western & Southern Open, Qualification
|
Championship | ||
| 2014 |
Open Sud de France
France, Montpellier |
1/16 | Denis Istomin |
6-4
7-5 |
| 2010 |
Malaysian Open
Malaysia, Kuala Lumpur |
Championship | Denis Istomin |
6-2
3-6 4-6 |
| 2007 |
Karshi
|
Championship | Denis Istomin |
1-6
4-6 |
| 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 |
| 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 |
