| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2018 |
Banque Eric Sturdza Geneva Open
|
1/8 | Steve Johnson |
4-6
6-4 3-6 |
| 2016 |
Winston-Salem
United States, North Carolina, Winston-Salem |
1/16 | Steve Johnson |
3-6
2-6 |
| 2014 |
Irving
|
Final | Lukas Rosol |
0-6
3-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
Fairfield
|
Final | Christopher O'connell |
4-6
4-6 |
| 2019 |
Fairfield
|
Quarter Finals | Steve Johnson |
6-1
6-1 |
| 2019 |
Fairfield
|
1/8 | Steve Johnson |
6-3
6-2 |
| 2019 |
Fairfield
|
1/16 | Steve Johnson |
7-6
6-4 |
| 2019 |
Rakuten Japan Open Tennis Championships, Qualification
|
1/8 | Yasutaka Uchiyama |
6-3
6-3 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2019 |
VTB Kremlin Cup
|
1/8 | Dusan Lajovic |
4-6
7-6 3-6 |
| 2019 |
VTB Kremlin Cup
|
1/16 | Lukas Rosol |
6-7
7-6 6-3 |
| 2019 |
VTB Kremlin Cup, Qualification
|
Quarter Finals | Lukas Rosol |
7-5
6-7 6-3 |
| 2019 |
Mouilleron-Le-Captif
|
1/8 | Jannik Sinner |
6-7
7-5 6-3 |
| 2019 |
Mouilleron-Le-Captif
|
1/16 | Lukas Rosol |
7-5
6-3 |
