Katja Wiersholm
Match Details
2021 US OPEN JUNIOR
| W | 1R | Linda Klimovicova | 7-5 6-1 |
| W | 2R | Mara Guth | 5-7 6-4 6-1 |
| L | 3R | Kristina Dmitruk | 4-6 1-6 |
2021 J3 SANTODOMINGO-2
| W | 1R | Annabelle Xu | 6-4 6-4 |
| W | 2R | Ana Candiotto | 6-2 6-3 |
| W | QF | Mio Mushika | 6-1 7-5 |
| W | SF | Alexia Harmon | 6-2 6-0 |
| W | F | Victoria Mboko | 5-7 7-5 7-5 |
2021 J3 SANTODOMINGO
| W | 1R | Juliana Munhoz | 6-2 6-2 |
| L | 2R | Kayla Cross | 7-6 4-6 3-6 |
2021 J4 DELRAYBEACH
| W | 1R | Jingyi Li | 6-2 6-3 |
| W | 2R | Daniela Livson | 6-1 6-3 |
| L | QF | Gabriella Broadfoot | 6-3 4-6 2-6 |
2021 JB1 SANDIEGO
| W | 1R | Charlotte Owensby | 6-1 6-3 |
| L | 2R | Alexandra Yepifanova | 6-2 1-6 3-6 |
2021 J1 SANDIEGO
| L | 1R | Victoria Mboko | 3-6 6-2 3-6 |
2021 J2 SANTODOMINGO-2
| W | 1R | Patricija Paukstyte | 7-6 6-3 |
| L | 2R | Marina Stakusic | 2-6 2-6 |
2021 J2 SANTODOMINGO
| L | 1R | Amelia Waligora | 5-7 7-6 4-6 |
Junior Tennis Database is a site that summarizes the results of ITF junior tennis tournaments.
Number of registered tournaments: 9534, Number of registered players: 5,949, Number of registered results: 315,751