Chennai: Saketh Myneni and R Ramkumar will spearhead the Indian challenge against a strong foreign field headlined by World No. 6 Marin Cilic at the Chennai Open tennis tournament starting here today.

Last year’s runner-up Borna Coric of Croatia, Spaniards Roberta Bautista Agut and Albert Ramos-Vinolas are also expected to be strong challengers.