Tamaryn Hendler defeated Aiko Nakamura 5-7 6-2 6-2 in the Waterloo 50K round of 32 on clay. The upset overturned the form book — Aiko Nakamura came in leading the head-to-head 1–0. Tamaryn Hendler claimed a first win over Aiko Nakamura in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2011-08-29 | Tsukuba 25K | SF | hard | Aiko Nakamura | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.