Sania Mirza's poor singles run further dented her ranking as the Indian slipped to 129, a loss of 16 places, in the latest WTA list issued on Monday.
Sania had lost in the WTA Dubai Open qualifiers in the singles but did well in doubles by ending as a runner-up along with partner Elena Vesnina.
The runners-up finish helped Sania retain her seventh place in the doubles ranking. Sania will play in the singles event of the Malaysia Open this week.
Meanwhile, the out-of-action Somdev Devvarman gained two places to climb to 120 in the ATP singles rankings list.
In the doubles rankings, Leander Paes was the highest ranked Indian at number seven, closely followed by Rohan Bopanna (11) and Mahesh Bhupathi (15).
All the three Indians will feature in the Dubai Open, starting on Monday.