The American is eager to prove that he can climb back up the rankings once again.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
US Open WTA
|
1/64 | Petra Kvitova |
7-5
7-5 |
| 2017 |
Citi Open
|
1/16 | Oceane Dodin |
6-4
3-6 0-2 |
| 2017 |
NanChang Open
|
1/8 | Jing-Jing Lu |
2-6
6-1 6-2 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Laver Cup
|
Championship | Jack Sock |
1-6
6-7 |
| 2019 |
US Open ATP
|
1/64 | Pablo Cuevas |
4-6
5-7 6-7 |
