| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
Irving
|
1/8 | Tobias Kamke |
6-3
7-6 |
| 2013 |
US Open
|
1/32 | Denis Istomin |
4-6
2-6 2-6 |
| 2008 |
Dresden
|
Championship | Denis Istomin |
6-3
6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Ningbo
|
1/16 | Tsung Hua Yang |
3-6
6-3 6-2 |
| 2019 |
Nur-Sultan 2
|
1/8 | Ruben Bemelmans |
4-6
6-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Hamburg
|
1/32 | Tobias Kamke |
4-6
2-6 |
| 2019 |
Intrum Stockholm Open, Qualification
|
1/8 | Alexei Popyrin |
7-5
7-6 |
| 2019 |
Mouilleron-Le-Captif
|
1/32 | Ramkumar Ramanathan |
6-2
6-7 4-6 |
