In the 6-4, 7-5, 3-6, 6-3 upset, the 23-year-old hit just one underhand serve.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2013 |
Qatar ExxonMobil Open
Qatar, Doha |
1/16 | Gael Monfils |
6-7
2-6 |
| 2013 |
Open de Nice Côte d’Azur
France, Nice |
1/16 | Gael Monfils |
6-4
3-6 3-6 |
| 2011 |
PTT Thailand Open
Thailand, Bangkok |
Championship | Gael Monfils |
4-6
6-4 1-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Davis Cup Qualifying Round
|
Championship | Juan Ignacio Londero |
7-6
3-6 2-6 |
| 2020 |
Bangkok 2
|
1/16 | Denis Istomin |
6-3
7-6 |
| 2020 |
Bangkok 2
|
1/32 | Santiago Giraldo |
6-0
4-1 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Erste Bank Open
|
1/16 | Pablo Carreno Busta |
1-6
0-2 |
| 2020 |
Roland Garros ATP
|
1/64 | Alexander Bublik |
4-6
5-7 6-3 3-6 |
| 2020 |
Hamburg European Open
|
1/16 | Yannick Hanfmann |
6-4
6-3 |
