| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Brisbane International
|
Quarter Finals | Ryan Harrison |
6-7
2-4 |
| 2012 |
AEGON International
|
Quarter Finals | Ryan Harrison |
7-6
6-4 |
| 2010 |
SAP Open
United States, California, San Jose |
Championship | Denis Istomin |
2-6
5-7 |
| 2009 |
Binghamton
|
Championship | Denis Istomin |
7-5
6-0 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
US Open, Qualification ATP
|
1/64 | Dominik Koepfer |
6-1
6-1 |
| 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 |
| 2019 |
Chengdu Open, Qualification
|
Quarter Finals | Alexei Popyrin |
6-3
3-6 7-5 |
| 2019 |
Chengdu Open, Qualification
|
1/8 | Denis Istomin |
6-1
3-1 |
