Berlin - Rafael Nadal remains top of the men's ATP tennis rankings released Monday.
The Spaniard tops the standings ahead of Serbia's Novak Djokavic and Australian Open winner Stanislas Wawrinka of Switzerland.
With Davis Cup being played at the weekend there were few changes in the rankings with no movement in the top 10 players.
The only alteration in the top 25 saw Kei Nishikori of Japan skip Spain's Nicolas Almagro to go 17th.
South African No 1, Kevin Anderson, remains in 22nd spot.
10. (10) Jo-Wilfried Tsonga, France, 2,885
22. (22) Kevin Anderson, South Africa, 1,580