| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
US Open ATP
|
1/64 | Jan-Lennard Struff |
6-7
4-6 3-6 |
| 2015 |
Irving
|
1/16 | Tim Smyczek |
6-7
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Davis Cup Qualifying Round
|
Championship | Jan-Lennard Struff |
6-3
6-2 |
| 2020 |
Davis Cup Qualifying Round
|
Championship | Jan-Lennard Struff |
6-4
6-4 |
| 2020 |
Dubai Tennis Championships
|
Quarter Finals | Stefanos Tsitsipas |
6-4
4-6 4-6 |
| 2020 |
Dubai Tennis Championships
|
1/8 | Jan-Lennard Struff |
6-1
6-0 |
| 2020 |
Dubai Tennis Championships
|
1/16 | Jan-Lennard Struff |
6-7
5-7 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Citi Open
|
1/16 | Milos Raonic |
6-1
6-4 |
| 2019 |
Citi Open
|
1/32 | Tim Smyczek |
4-6
4-6 |
| 2019 |
Citi Open, Qualification
|
1/6 (Special Qual) | Tim Smyczek |
6-7
7-5 3-6 |
| 2019 |
Citi Open, Qualification
|
1/12 (Special Qual) | Tim Smyczek |
6-4
6-2 |
