Chennai: In the best field ever for the ATP Tour Chennai Open, nine players in the top 50 including world No.2 Rafael Nadal and No. 8 David Nalbandian would be seen in action in the event beginning here on January 1.

Besides, Nadal and Nalbandian, 18 of the 25 direct entrants are in the top-100 and the cut-off is 114 with the entry of Oliver Marach (Austria). (PTI)