New Delhi, Feb 8 : India's Somdev Devvarman jumped 21 places to be at 141st position in the Association of Tennis Professionals (ATP) rankings released Monday.
The 24-year-old Somdev had reached the quarterfinals of South Africa Open at Johannesburg last week.
The US-based Indian Prakash Amritraj slipped 22 places to be at 222nd position.
In the men's doubles, Leander Paes and Mahesh Bhupathi are static at seventh and eighth positions, respectively.
In the women' singles, Sania Mirza stayed at her 59th position.(IANS)

London, Feb 11 : Manchester United midfield maestro Ryan Giggs has signed a new contract with the club and has been described as ‘miracle’ by his manager Sir Alex Ferguson. Giggs
London, Feb 11 : Chelsea manager Andre Villas-Boas has called for the introduction of a new rule in the
London, Feb 11 : Former South African batsman Herschelle Gibbs has penned down a deal with English county cricket club Durham for the forthcoming domestic T20 competition, Friends Life T20.
London, Feb 4 (ANI): Force India driver Paul Di Resta has confessed to being under pressure to perform during his second full year on the Formula One circuit.
Chennai, Feb 1 :The much-hyped and twice postponed inaugural i1 Supercar Series will now be held in 2013, according to a press release from the promoters, Machdar Motorsports.