In this week`s ATP Ranking Grigor Dimitrov moves 6 position ahead to his best ever position 326.

Both Ivaylo Traykov and Tihomir Grozdanov of Bulgaria gain position and are ranked respectively 451 and 578.

Roger Federer leads the ranking ahead of Rafael Nadal and Andy Murray. The only change in Top 10 is the move of Andy Roddick ahead of Juan Martin del Potro to position 5.