The American is playing at the ATP Finals for the first time in his career.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open ATP
|
Semi Finals | Juan Martin del Potro |
6-7
2-6 0-0 |
| 2018 |
US Open ATP
|
Quarter Finals | Rafael Nadal |
0-6
6-4 7-5 6-7 7-6 |
| 2018 |
US Open ATP
|
1/8 | Rafael Nadal |
6-3
6-3 6-7 6-4 |
| 2018 |
US Open ATP
|
1/16 | Rafael Nadal |
5-7
7-5 7-6 7-6 |
| 2018 |
US Open ATP
|
1/32 | Rafael Nadal |
6-3
6-4 6-2 |
| 2018 |
US Open ATP
|
1/64 | Rafael Nadal |
6-3
3-4 |
| 2018 |
Rogers Cup
|
Final | Rafael Nadal |
6-2
7-6 |
| 2018 |
Rogers Cup
|
Semi Finals | Rafael Nadal |
7-6
6-4 |
| 2018 |
Rogers Cup
|
Quarter Finals | Rafael Nadal |
2-6
6-4 6-4 |
| 2018 |
Rogers Cup
|
1/8 | Rafael Nadal |
7-5
7-6 |
| 2018 |
Rogers Cup
|
1/16 | Rafael Nadal |
6-2
6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
VTB Kremlin Cup, Qualification
|
Quarter Finals | Natalia Vikhlyantseva |
3-6
3-6 |
| 2018 |
VTB Kremlin Cup, Qualification
|
1/8 | Silvia Soler-Espinosa |
6-2
3-6 3-6 |
| 2018 |
VTB Kremlin Cup, Qualification
|
1/16 | Silvia Soler-Espinosa |
4-6
7-6 6-2 |
| 2018 |
Korea Open Tennis, Qualification
|
1/6 (Special Qual) | Mona Barthel |
6-3
6-4 |
| 2018 |
Korea Open Tennis, Qualification
|
1/12 (Special Qual) | Silvia Soler-Espinosa |
3-6
0-6 |
