The 27-year-old Austrian has not played since his Dubai opening-round defeat.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2017 |
AEGON International
|
Quarter Finals | Richard Gasquet |
6-3
6-2 |
| 2013 |
Western & Southern Open
|
1/16 | John Isner |
7-6
6-2 |
| 2012 |
Rogers Cup
|
Semi Finals | Richard Gasquet |
7-6
6-3 |
| 2010 |
Serbia Open
Serbia, Belgrade |
Championship | John Isner |
6-2
6-7 3-6 |
| 2009 |
Swiss Indoors Basel
|
Championship | Richard Gasquet |
6-4
6-7 2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Dubai Tennis Championships
|
1/16 | Hubert Hurkacz |
3-6
4-6 |
| 2021 |
Dubai Tennis Championships
|
1/32 | Richard Gasquet |
6-4
6-2 |
| 2021 |
Qatar Open
|
1/8 | Andrey Rublev | |
| 2021 |
Qatar Open
|
1/16 | Richard Gasquet |
6-4
6-4 |
| 2021 |
Murray River Open
|
1/32 | Mackenzie McDonald |
7-6
7-5 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Miami Open
|
1/8 | Roberto Bautista Agut |
3-6
6-4 6-7 |
| 2021 |
Miami Open
|
1/16 | John Isner |
6-7
6-7 |
| 2021 |
Miami Open
|
1/32 | John Isner |
6-2
3-6 5-7 |
| 2021 |
Mexican Open
|
1/8 | Stefanos Tsitsipas |
6-3
6-2 |
| 2021 |
Mexican Open
|
1/16 | John Isner |
6-4
6-3 |
| 2021 |
Delray Beach Open
|
Quarter Finals | Sebastian Korda |
6-3
4-6 6-3 |
| 2021 |
Delray Beach Open
|
1/8 | John Isner |
4-6
6-7 |
