The 27-year-old Austrian has not played since his Dubai opening-round defeat.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2014 |
Western & Southern Open
|
1/32 | Robby Ginepri |
6-3
5-7 7-5 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Dubai Tennis Championships
|
1/16 | Lloyd Harris |
3-6
4-6 |
| 2021 |
Qatar Open
|
Quarter Finals | Roberto Bautista Agut |
6-7
6-2 4-6 |
| 2021 |
Qatar Open
|
1/8 | Dominic Thiem |
6-7
6-3 6-2 |
| 2021 |
Australian Open ATP
|
1/8 | Grigor Dimitrov |
4-6
4-6 0-6 |
| 2021 |
Australian Open ATP
|
1/16 | Dominic Thiem |
4-6
4-6 6-3 6-4 6-4 |
| 2021 |
Australian Open ATP
|
1/32 | Dominic Thiem |
6-4
6-0 6-2 |
| 2021 |
Australian Open ATP
|
1/64 | Dominic Thiem |
7-6
6-2 6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Citi Open, Qualification
|
1/12 (Special Qual) | Yoshihito Nishioka |
6-4
3-6 3-6 |
| 2015 |
Savannah
|
1/16 | Yoshihito Nishioka |
4-6
1-6 |
| 2015 |
US Men's Clay Court Championships, Qualification
|
1/8 | Somdev Devvarman |
7-6
6-3 |
| 2015 |
US Men's Clay Court Championships, Qualification
|
1/16 | Robby Ginepri |
6-3
6-2 |
