Novak Djokovic retained his no.1 position in the ATP rankings after his four-set victory over Roger Federer in the finals of the US Open 2015.

Kei Nishikori who was ranked no.4 heading into the tournament suffered a first round exit which moved him 2 places down and founds himself in the 6th position. Wawrinka has been moved to no.4 in the world after his impressive run in the US Open reaching the semi-finals. Giles Simon has broken into top 10 while Murray, Nadal and Berdych retained their positions.

Here is the latest ATP rankings dated 14/09/2015:

1 Djokovic, Novak (SRB) 16,145 (0)
2 Federer, Roger (SUI) 9,405 (0)
3 Murray, Andy (GBR) 8,660 (0)
4 Wawrinka, Stan (SUI) 6,000 (1)
5 Berdych, Tomas (CZE) 5,050 (1)
6 Nishikori, Kei (JPN) 5,015 (-2)
7 Nadal, Rafael (ESP) 3,770 (1)
8 Ferrer, David (ESP) 3,695 (-1)
9 Raonic, Milos (CAN) 2,790 (1)
10 Simon, Gilles (FRA) 2,560 (1)