While Sania Mirza's [Images] ordinary run meant she further slipped in the rankings, new kid on the block Somdev Devvarman continued to rise in the ATP charts after making the quarter-final of the Vancouver Challenger last week.

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Sania dropped 10 places to 60 in the WTA rankings list released on Monday.

Ana Ivanovic held on to the number one spot but only just. She is now only 142 points ahead of fellow Serb Jelena Jankovic, who is set to take the top spot when the rankings are released next week.

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Somdev, making a swift transition to the pro tour, has risen 25 places to 320 and has taken over as the second-highest ranked Indian on the ATP. Starting the year at 1036, the 23-year-old has taken rapid strides after turning pro in May.

He held an unbeaten streak of 22 in professional matches, till he lost 4-6, 6-7 (6) to Japan's [Images] Go Soeda in the quarter-finals of the US $ 100,000 Vancouver Open last week.

Prakash Amritraj continues to be the top-ranked Indian at 222 while Rohan Bopanna is 328.

In doubles, Sania and Leander Paes [Images] stayed steady at 26 and 15 respectively, while Mahesh Bhupathi [Images] climbed a rung to nine in the rankings.

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