Argentina-based ethnic Armenian David Nalbandian overcame Jo-Wilfried Tsonga 3-6, 7-5, 6-3 in the 4th round at the BNP Paribas Open, ongoing in Indian Wells, California.

Thus Nalbandian set up a quarterfinal showdown with Rafael Nadal after two hours and 18 minutes.

Nadal defeated Ukrainian Alexandr Dolgopolov 6-3, 6-2, reaching the quarterfinals after just one hour and 16 minutes, tennistalk.com reported.