Experienced German Tatjana Maria outclassed India No. 1 Ankita Raina 6-0, 6-1 in the opening round of the singles main draw of the Chennai Open WTA 250 tennis tournament on Tuesday. Russian Anastasia Gasanova sent top-seed Alison-Riske Amritraj packing with a 6-2, 6-3 win in an hour and 29 minutes. (More Tennis News)