New Delhi, July 27 - India's No.1 Somdev Devevarman has slumped 25 places to 152nd position in the recent Association of Tennis Professionals (ATP) rankings, released Monday.

Somdev, who is playing in the LA Tennis Open qualifiers, had touched his career best ranking of 127 last week.

Sania Mirza, who won the $50,000 Lexington Challenger Sunday, has moved up three places to 80th position. She, however, dropped ten places in the doubles ranking to be at 49th position.

Meanwhile, Prakash Amritraj has moved a place to 263rd on the ATP charts.

In the men's doubles, Leander Paes and Mahesh Bhupathi are static at sixth and eighth positions.