Chieh Yu Hsu defeated Heidi El Tabakh 6-3 6-3 in the El Paso TX 25K qualifying round on hard. The upset overturned the form book — Heidi El Tabakh came in leading the head-to-head 5–0. Chieh Yu Hsu claimed a first win over Heidi El Tabakh in six meetings, narrowing the head-to-head to 5–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-12-09 | Merida 25K | R16 | hard | Heidi El Tabakh | 6-2 7-5 |
| 2013-12-02 | Merida 25K | R32 | hard | Heidi El Tabakh | 6-4 6-4 |
| 2012-09-17 | Albuquerque NM 75K | R16 | hard | Heidi El Tabakh | 7-6(2) 7-5 |
| 2009-04-27 | Charlottesville VA 50K | R32 | clay | Heidi El Tabakh | 6-1 6-0 |
| 2008-05-19 | Landisville PA 10K | QF | hard | Heidi El Tabakh | 3-6 7-6(8) 6-0 |
Averages over each player's completed matches in the selected window (18 vs 10). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About