Sumit Nagal (17) became only the sixth Indian to win a Grand Slam junior title after winning the boys doubles trophy at the Wimbledon Championships with partner Nam Hoang Ly on Sunday. The eighth seeds, Nagal and his Vietnamese partner overcame the fourth seeds Reilly Opelka and Akira Santillan 7-6(4), 6-4 in the final that lasted 63 minutes.