Pakistan, July 3 -- Aryna Sabalenka was given a tougher workout than she would have wanted before the top seed dismantled Czech Marie Bouzkova 7-6(4) 6-4 to advance to the third round of Wimbledon on Wednesday.

As the sun played hide-and-seek with the grey clouds that hovered over Centre Court, Sabalenka kept knocking on the door in the opening set, but was shut out by Bouzkova each time and dropped serve with a double fault in the 11th game.

A frustrated Sabalenka let out a scream when she failed to convert a breakpoint in the next game, but the 27-year-old quickly composed herself to force a tiebreak with a backhand winner on her next opportunity.

"That was a tough moment in the match," Sabalenka said.

"I was just trying to put the ...