Caroline Wozniacki defeated Tsvetana Pironkova 6-4 6-1 in the Tournament of Champions semi-final on hard. The result followed the form book — Caroline Wozniacki came in leading the head-to-head 4–0. Caroline Wozniacki extended the head-to-head to 5–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-07-03 | Wimbledon | R64 | grass | Caroline Wozniacki | 6-3 6-4 |
| 2010-03-22 | Miami | R64 | hard | Caroline Wozniacki | 3-6 6-3 6-4 |
| 2008-06-16 | Eastbourne | R32 | grass | Caroline Wozniacki | 6-3 6-2 |
| 2008-03-24 | Miami | R128 | hard | Caroline Wozniacki | 6-4 7-5 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.