Caroline Wozniacki defeated Karin Knapp 6-1 7-5 in the New Haven round of 16 on hard. The result followed the form book — Caroline Wozniacki came in defending last year's semi-final.
Wozniacki C. took it in straight sets.
Wozniacki C. and Knapp K. faced 4 of the same opponents in the last 12 months. Wozniacki C. went 4–1 (80%) against them, Knapp K. 1–3 (25%). Wozniacki C. came out better against 3 of 4 comparable opponents, Knapp K. against 0.
Only 4 common opponents — small sample, treat as indicative.
Caroline Wozniacki beat Karin Knapp 6-1 7-5. Umpiry, "Caroline Wozniacki vs Karin Knapp — New Haven Round of 16", https://umpiry.com/match/2013-08-19/knapp-vs-wozniacki-new-haven-r16?utm_source=cite (as of 19 August 2013).