The American could be well out of the Top 100 by season's end.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
Swiss Indoors Basel
|
1/16 | David Goffin |
6-2
7-5 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Rolex Paris Masters
|
1/32 | Damir Dzumhur |
4-6
6-7 |
| 2018 |
Rolex Paris Masters, Qualification
|
1/6 (Special Qual) | Peter Gojowczyk |
3-6
4-6 |
| 2018 |
Rolex Paris Masters, Qualification
|
1/12 (Special Qual) | Peter Gojowczyk |
4-6
6-4 2-6 |
| 2018 |
Swiss Indoors Basel
|
1/8 | Stefanos Tsitsipas |
6-3
6-1 |
| 2018 |
Swiss Indoors Basel
|
1/16 | Peter Gojowczyk |
1-6
7-5 6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Shenzhen Open
|
1/8 | Andy Murray |
3-6
4-6 |
| 2018 |
US Open ATP
|
1/8 | Marin Cilic |
7-6
6-2 6-4 |
| 2018 |
US Open ATP
|
1/16 | David Goffin |
4-6
1-6 6-7 |
| 2018 |
US Open ATP
|
1/32 | David Goffin |
2-6
7-6 3-6 2-6 |
| 2018 |
US Open ATP
|
1/64 | David Goffin |
2-6
4-6 6-7 |
| 2018 |
Western & Southern Open
|
Semi Finals | Roger Federer |
6-7
1-1 |
| 2018 |
Western & Southern Open
|
Quarter Finals | David Goffin |
7-6
7-6 |
| 2018 |
Western & Southern Open
|
1/8 | David Goffin |
2-6
4-6 |
| 2018 |
Western & Southern Open
|
1/16 | David Goffin |
7-5
4-6 2-6 |
| 2018 |
Western & Southern Open
|
1/32 | David Goffin |
5-7
3-6 |
