The American is apparently at the center of a "serious breach of protocol."
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2008 |
Sony Ericsson Open
United States, Florida, Miami |
Championship | Sam Querrey |
6-7
3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Biella
|
1/8 | Paolo Lorenzi |
6-4
6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Roland Garros ATP
|
1/64 | Andrey Rublev |
7-6
7-6 5-7 4-6 3-6 |
| 2020 |
Internazionali BNL d'Italia
|
1/32 | Pedro Martinez Portero |
3-6
6-7 |
