HYDERABAD: Eighth seed Sandeepti Singh Rao continued her winning streak to beat Vineetha Mummadi in straight set at 6-3, 6-4 and enter the girls U-18 singles semifinals at the Raja Narsimha Rao Memorial ITF Juniors Grade-4 tennis tournament being organised by the Telangana State Tennis Association at SATS Tennis Complex at Lal Bahadur Stadium here. Sandeepti will now meet top …