Petra Martic defeated Coco Vandeweghe 6-3 6-2 in the Birmingham round of 32 on grass. The upset overturned the form book — Coco Vandeweghe came in defending last year's quarter-final, but Petra Martic had been the form player, winning 3 of their last 4 on grass.
Martic P. took it in straight sets.
Martic P. and Vandeweghe C. faced 11 of the same opponents in the last 12 months. Martic P. went 6–5 (55%) against them, Vandeweghe C. 7–6 (54%). Results against comparable opponents are close (3 : 3 better-results split).
Petra Martic beat Coco Vandeweghe 6-3 6-2. Umpiry, "Petra Martic vs Coco Vandeweghe — Birmingham Round of 32", https://umpiry.com/match/2018-06-18/martic-vs-vandeweghe-birmingham-r32?utm_source=cite (as of 18 June 2018).