Sania Mirza and her Italian partner Maria Elena Camerin have entered the doubles quarter-finals of the Tashkent Open tennis tournament.In Tashkent today, the duo recorded a straight-set win over Ukrainian sisters Lyudmyla and Nadiya Kichenok. The Indo-Italian combination won 6-2 6-3 in the first round in just an hour's time. Sania and Camerin will now face Alexandra Dulgheru of Romania and Magdalena Rybarikova of Slovakia, who shocked third seeds Akgul Amanmuradova and Darya Kustova 7-5 7-6. Both Sania and Camerin have already crashed out of the singles event.