Argentinean tennis player of Armenian decent David Nalbandian moved down from 10th to the 12th position in ATP rankings published on Feb.23 The drop is accounted for by Nalbandian's recent unsuccessful game.

Almost no changes were registered in the ATP top 10. Spanish Radaef Nadal tops the list, Roger Federer is the second runner up followed by Serbian Novak Djokovic.

Nalbandian became Buenos-Aires Tennis Tournament champion in 2008, and getting through to the semifinals in 2009 was defeated by Juan Monako, which resulted in the drop in ATP rankings.

ATP 2009 Rankings: Top 12
POINTS
1. Nadal, Rafael (Spain) - 1451
2. Federer, Roger (Switzerland) - 11000
3. Djokovic, Novak (Serbia) - 9010 
4. Murray, Andy (Great Britain) - 7460
5. Davydenko, Nikolay (Russia) - 4955
6. Roddick, Andy (USA) - 4660
7. Del Potro, Juan Martin (Argentina) - 4290
8. Simon, Gilles (France) - 3945
9. Verdasco, Fernando (Spain) - 3480
10. Monfils, Gael (France) - 3340
11. Tsonga, Jo-Wilfried (France) - 3300
12. Nalbandian, David (Argentina) - 3245