Agassi's coach trained Cilic's slayer

Two-time defending champion Marin Cilic of Croatia was dumped out of the first round of the Chennai Open losing 6-4, 6-7 (0), 2-6 to Japanese Kei Nishikori

Two-time defending champion Marin Cilic of Croatia was dumped out of the first round of the Chennai Open losing 6-4, 6-7 (0), 2-6 to Japanese Kei Nishikori. Cilic was physically drained in the third as he struggled to get to Nishkori's deep baseline shots.

The Japanese is being coached by former tennis legend Andre Agassi's coach Brad Gilbert.

"Brad has really helped my game. I am playing much better tennis now,'' noted the giant killer.

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