 USA: W35 San Rafael - Singles - Main |
|---|
| 1/16-finals | Shymanovich I. | Wiersholm K. | 2:0 (6:4, 6:1) | details | 18.09.2024 |
 Dominican Republic: W15 Santo Domingo 2 - Singles - Main |
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| Final | Lincer O. | Wiersholm K. | 2:0 (7:64, 6:1) | details | 16.06.2024 |
| Semi-finals | Wiersholm K. | Garcia J. | 2:0 (6:2, 6:1) | details | 15.06.2024 |
| Quarter-finals | McNeil C. | Wiersholm K. | 1:2 (7:5, 3:6, 2:6) | details | 14.06.2024 |
| 1/8-finals | Wiersholm K. | Ansari C. | 2:0 (6:4, 6:4) | details | 13.06.2024 |
| 1/16-finals | Wiersholm K. | Liu K. | 2:0 (6:0, 6:3) | details | 12.06.2024 |
| Dominican Republic: W15 Santo Domingo - Singles - Main |
|---|
| 1/8-finals | Zamburek A. C. | Wiersholm K. | 2:1 (7:5, 3:6, 10:7) | details | 07.06.2024 |
| 1/16-finals | Wiersholm K. | Ly-Nguyen S. | 2:0 (6:2, 6:2) | details | 06.06.2024 |
| USA: W25 Austin, TX - Singles - Main |
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| 1/16-finals | Lahey A. | Wiersholm K. | 2:1 (6:4, 5:7, 6:1) | details | 15.11.2023 |
| USA: W25 Redding, CA - Singles - Main |
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| 1/16-finals | Chang H. | Wiersholm K. | 2:0 (6:0, 6:3) | details | 04.10.2023 |
| Dominican Republic: W25 Santo Domingo 3 - Singles - Main |
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| 1/8-finals | Herazo Gonzalez M. | Wiersholm K. | WO. | details | 22.06.2023 |
| 1/16-finals | Wiersholm K. | Bejenaru K. P. | 2:0 (6:4, 6:0) | details | 21.06.2023 |
| 1/32-finals | Wiersholm K. | De Santa Ana L. | 2:0 (7:5, 6:3) | details | 20.06.2023 |
| USA: W60 Berkeley, CA - Singles - Main |
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| 1/16-finals | Wiersholm K. | Anderson R. | 0:2 (2:6, 3:6) | details | 21.09.2022 |
| USA: W15 San Diego, CA 2 - Singles - Main |
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| 1/8-finals | Hui K. | Wiersholm K. | 2:0 (6:3, 6:4) | details | 16.06.2022 |
| 1/16-finals | Hayashida D. | Wiersholm K. | 0:2 (60:7, 2:6) | details | 15.06.2022 |
| USA: W15 San Diego, CA - Singles - Main |
|---|
| 1/16-finals | Hance K. | Wiersholm K. | 2:1 (4:6, 6:2, 6:4) | details | 07.06.2022 |
| USA: W25 Florence, SC - Singles - Main |
|---|
| 1/16-finals | Contreras Gomez F. | Wiersholm K. | 2:0 (7:63, 6:3) | details | 13.10.2021 |
| USA: W15 Hilton Head, SC - Singles - Main |
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| Quarter-finals | Wiersholm K. | Hertel A. | 0:2 (2:6, 1:6) | details | 09.10.2021 |
| 1/8-finals | Wiersholm K. | Ruckno E. | 2:0 (6:0, 6:0) | details | 08.10.2021 |
| 1/16-finals | Kissell J. | Wiersholm K. | 0:2 (5:7, 4:6) | details | 07.10.2021 |
| USA: US Open - Singles - Main |
|---|
| 1/8-finals | Dmitruk K. | Wiersholm K. | 2:0 (6:4, 6:1) | details | 08.09.2021 |
| 1/16-finals | Wiersholm K. | Guth M. | 2:1 (5:7, 6:4, 6:1) | details | 07.09.2021 |
| 1/32-finals | Klimovicova L. | Wiersholm K. | 0:2 (5:7, 1:6) | details | 06.09.2021 |
| USA: US Open - Singles - Qualification |
|---|
| Final | Xu A. | Wiersholm K. | 2:0 (6:3, 6:3) | details | 04.09.2021 |
| Semi-finals | Wiersholm K. | Fontenel C. | 2:0 (6:2, 6:4) | details | 03.09.2021 |
 Tunisia: W15 Monastir 28 - Singles - Main |
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| 1/16-finals | Wiersholm K. | Kozarov K. | 0:2 (1:6, 2:6) | details | 28.07.2021 |
| Tunisia: W15 Monastir 27 - Singles - Main |
|---|
| Quarter-finals | Hewitt D. | Wiersholm K. | 2:0 (6:4, 6:2) | details | 23.07.2021 |
| 1/8-finals | Wiersholm K. | Gillan A. | 2:0 (6:2, 6:2) | details | 22.07.2021 |
| 1/16-finals | Villet M. | Wiersholm K. | 0:2 (4:6, 4:6) | details | 21.07.2021 |