Constance Sibille defeated Anne Laure Heitz 6-4 6-4 in the Les Contamines 25K round of 32 on hard. The upset overturned the form book — Anne Laure Heitz came in leading the head-to-head 2–0. Constance Sibille claimed a first win over Anne Laure Heitz in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-21 | Grenoble 10K | QF | hard | Anne Laure Heitz | 6-2 6-0 |
| 2007-09-24 | Clermond-Ferrand 10K | SF | hard | Anne Laure Heitz | 6-1 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.