Yuuki Tanaka defeated Hirono Watanabe 3-6 6-4 6-2 in the Tokyo 10K round of 32 on hard. The upset overturned the form book — Hirono Watanabe came in leading the head-to-head 1–0. Yuuki Tanaka claimed a first win over Hirono Watanabe in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2010-11-15 | Hyogo 10K | R16 | carpet | Hirono Watanabe | 4-6 6-3 7-6(3) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.