Katie Ruckert defeated Alexandra Hirsch 6-1 6-4 in the Concepcion 10K round of 16 on clay. The upset overturned the form book — Alexandra Hirsch came in leading the head-to-head 1–0. Katie Ruckert claimed a first win over Alexandra Hirsch in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-29 | Santiago 10K | R32 | clay | Alexandra Hirsch | 4-1 |