| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2013 |
U.S. National Indoor Tennis Championships
|
Quarter Finals | Denis Istomin |
4-6
6-7 |
| 2012 |
SAP Open
United States, California, San Jose |
1/8 | Denis Istomin |
2-6
2-6 |
| 2011 |
SAP Open
United States, California, San Jose |
Championship | Denis Istomin |
6-7
6-7 |
| 2010 |
Sony Ericsson Open
United States, Florida, Miami |
Championship | Michael Russell |
6-7
4-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Sarasota
|
1/16 | Renzo Olivo |
6-3
6-4 |
| 2015 |
Sarasota, Qualification
|
Quarter Finals | Rogerio Dutra Silva |
7-6
5-7 3-6 |
| 2015 |
Sarasota, Qualification
|
1/16 | Michael Russell |
6-0
7-6 |
| 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 |
