Top seed Milos Raonic suffered a setback in his hopes of qualifying for the season-ending ATP World Tour Finals after he was beaten 6-3 4-6 6-3 by 116th-ranked journeyman Ricardas Berankis in the second round of the Kremlin Cup on Thursday.
Fifth seed David Ferrer knocked Andy Murray out of the Shanghai Masters third round on Thursday, coming from a set down to prevail 2-6 6-1 6-2 and boost his chances of qualifying for the season-ending ATP World Tour Finals in London.
Australian Open champion Stan Wawrinka crashed out of the Shanghai Masters with a second round loss to Gilles Simon on Wednesday, while Andy Murray advanced with an assured 7-5 6-2 win over Jerzy Janowicz.
World number one Novak Djokovic claimed his fifth China Open title by thrashing Tomas Berdych in a one-sided contest on Sunday. The Serbian took just 66 minutes to seal a comfortable 6-0, 6-2 win against the big Czech in Beijing.
Kei Nishikori captured his second Japan Open Tennis Championships title on Sunday. The Japanese tennis star defeated Milos Raonic 7-6(5), 4-6, 6-4 under a closed roof at the Ariake Colosseum, Tokyo. In the 2012 final too, Nishikori got the better of the big Canadian. The match lasted two hours and 13 minutes.
A resurgent Roger Federer has qualified for a record 13th consecutive ATP World Tour Finals in comfortable fashion, in marked contrast to 2013 when he squeezed in the week before the end-of-season tournament in London.