Doi was the first to reach the semifinals, where she awaits Bertens or Riske.
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2020 |
Qatar Total Open
|
1/32 | Laura Siegemund |
6-3
6-2 |
| year | Event | RND | Winner | Results |
|---|---|---|---|---|
| 2015 |
Sarasota
|
1/16 | Renzo Olivo |
6-3
6-4 |
| 2015 |
Sarasota, Qualification
|
Quarter Finals | Rogerio Dutra Silva |
7-6
5-7 3-6 |
| 2015 |
Sarasota, Qualification
|
1/16 | Michael Russell |
6-0
7-6 |
