Su Wei Hsieh defeated Daniela Hantuchova 6-1 0-6 6-4 in the Tournament of Champions round robin on hard. The upset overturned the form book — Daniela Hantuchova came in leading the head-to-head 1–0, defending last year's quarter-final. Su Wei Hsieh claimed a first win over Daniela Hantuchova in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2012-02-06 | Pattaya | SF | hard | Daniela Hantuchova | 6-4 6-1 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.