Portoroz: World number one Dinara Safina sailed through to the Slovenia Open quarter-finals when she beat fellow Russian Ksenija Pervak 6-1, 6-2 on Wednesday.
The 23-year old Safina had no difficulty defeating her less experienced 18-year old opponent at centre court in Slovenia`s Adriatic resort of Portoroz.
"I am satisfied with the match today ... I`m getting better and better with each match," Safina said after the match.
Safina will now face Italy`s Maria Elena Camerin in quarter-finals on Friday. Camerin beat Russian Vera Dushevina 4-6, 7-5, 6-0 on Wednesday.
Other winners of the day were Stefanie Voegele of Switzerland who dislodged Czech Lucie Safarova 7-5, 2-6, 6-3 and Rossana De Los Rios of Paraguay beat Italy`s Roberta Vinci 6-3, 6-4.