Davis Cupper J. Vishnuvardhan believes that the 13-year-old K Hruthik, who is now India’s No. Vishnu, who is donning the role of a mentor to Hruthik, a native of Saduvelly village in Yadadri-Bhuvanagiri district of Telangana and training at Trinity Challengers Tennis Academy under Henry Praveen and Ramakrishna, said given the abundance of talent, he wanted to target the Junior …