Brandon Nakashima, the 21-year-old home-grown tennis player defeated third seed Marcos Giron 6-4, 6-4 in an all-American final to win the San Diego Open -- his maiden ATP Tour title. Turning out in his third ATP Tour final, the San Diego native won the ATP 250 event to move up 21 places to a career-high No. 48 in the ATP Live Rankings.