Sania Mirza's poor form has begun to take a toll on her rankings and the Indian slipped a couple of places to 35th in the latest WTA rankings list.
Sania was knocked out in first round of the WTA Bank of the West Classic in straight sets by British qualifier, Anne Keothavong.
She also dropped two places to be ranked 20th in the doubles rankings.
In the ATP doubles chart, Mahesh Bhupathi and Leander Paes have held on to their 12th and 15th spot respectively despite their first-round exit from the Indianapolis Championships.
Rohan Bopanna, however, slipped down three places to 46th.
In singles, Prakash Amritraj dropped 17 rungs to 221 after his quarterfinal loss in the Challenger Series' tournament in Aptos, United States.
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