London - Former world No 1 Caroline Wozniacki reached the quarter-finals of Eastbourne's championships with a topsy-turvy defeat of Svetlana Kuznetsova on Wednesday.
The Dane surrendered the first set after leading 5-1 but recovered to win 6-7(3) 6-3 6-1 as Kuznetsova faded.
Despite taking charge of the match, second seed Wozniacki said she was worried right to the end against the former U.S. Open and French Open champion.
"I was 5-1 up in that first set, so when I was 5-1 up in the third set I was thinking to myself that I really couldn't repeat what happened earlier," she said.
"I served better as the match went on...tried to take the ball a little earlier."
The world number five plays Andrea Petkovic next at the traditional seaside grass court tournament after the German beat American CoCo Vandeweghe 6-3 6-4.
British wildcard Johanna Konta continued her surprise run with another shock, this time the world number 146 knocking out Spain's Garbine Muguruza, a day after beating world number eight Ekaterina Makarova.