Tauson dropped the opening set shortly after aggravating an injured left knee.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
Serbia Open
|
1/16 | Taro Daniel |
5-7
3-6 |
| 2021 |
Serbia Open, Qualification
|
1/8 | Joao Sousa |
6-4
6-2 |
| 2021 |
Monte Carlo Masters, Qualification
|
1/7 (Special Qual) | Thomas Fabbiano |
5-7
4-6 |
| 2021 |
Monte Carlo Masters, Qualification
|
1/14 (Special Qual) | Joao Sousa |
5-7
2-6 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2021 |
MUSC Health Women's Open
|
Semi Finals | Ons Jabeur |
6-3
6-0 |
| 2021 |
MUSC Health Women's Open
|
Quarter Finals | Danka Kovinic |
5-7
1-6 |
| 2021 |
MUSC Health Women's Open
|
1/8 | Danka Kovinic |
6-1
1-6 6-3 |
| 2021 |
MUSC Health Women's Open
|
1/16 | Danka Kovinic |
6-3
6-3 |
| 2021 |
Volvo Car Open
|
Final | Veronika Kudermetova |
6-4
6-2 |
| 2021 |
Volvo Car Open
|
Semi Finals | Danka Kovinic |
6-3
6-2 |
| 2021 |
Volvo Car Open
|
Quarter Finals | Danka Kovinic |
7-6
5-7 1-6 |
| 2021 |
Volvo Car Open
|
1/8 | Danka Kovinic |
6-4
6-1 |
| 2021 |
Volvo Car Open
|
1/16 | Danka Kovinic |
4-6
6-3 3-6 |
