Despite suffering twin defeats during India’s Davis Cup World Group tie against Russia, Somdev Devvarman rose seven rungs to 121.
Somdev lost to Igor Kunitsyn and Mikhail Youzhny in the first round tie, played in Moscow.
Rohan Bopanna also jumped 26 places to re-enter the top-400 and now sits at 390 in the latest ATP singles rankings.
The big serving Bopanna lost to Youzhny but defeated Teimuraz Gabashvili in the dead rubber.
India lost the tie 2-3.
In the doubles list, Leander Paes (6) and Mahesh Bhupathi (8) had their rankings unchanged.
In the WTA charts, out of action Sania Mirza slid to 84 from 83 but maintained her 35th position in the doubles.