The American has outlasted the hype and established himself as a solid professional.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2011 |
Open de Nice Côte d’Azur, Qualification
|
Championship | Andreas Haider-Maurer |
2-6
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Poprad-Tatry
|
1/8 | Mohamed Safwat |
5-7
6-1 4-6 |
| 2018 |
Roland Garros ATP
|
1/64 | Karen Khachanov |
7-6
6-3 6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Citi Open
|
1/16 | Milos Raonic |
6-1
6-4 |
| 2019 |
Citi Open
|
1/32 | Tim Smyczek |
4-6
4-6 |
| 2019 |
Citi Open, Qualification
|
1/6 (Special Qual) | Tim Smyczek |
6-7
7-5 3-6 |
| 2019 |
Citi Open, Qualification
|
1/12 (Special Qual) | Tim Smyczek |
6-4
6-2 |
