Caroline Wozniacki defeated Petra Martic 6-2 6-2 in the Auckland round of 16 on hard. The result followed the form book — Caroline Wozniacki came in leading the head-to-head 3–0, defending last year's quarter-final. Caroline Wozniacki extended the head-to-head to 4–0.
Wozniacki C. took it in straight sets.
Wozniacki C. and Martic P. faced 7 of the same opponents in the last 12 months. Wozniacki C. went 7–1 (88%) against them, Martic P. 5–2 (71%). Wozniacki C. came out better against 2 of 7 comparable opponents, Martic P. against 0.
Caroline Wozniacki beat Petra Martic 6-2 6-2. Umpiry, "Caroline Wozniacki vs Petra Martic — Auckland Round of 16", https://umpiry.com/match/2018-01-03/martic-vs-wozniacki-auckland-r16?utm_source=cite (as of 3 January 2018).