Noah Rubin wins Wimbledon junior title in all-American final over Stefan Kozlov

Noah Rubin of the U.S., right, is congratulated after defeating Stefan Kozlov of the U.S in the boys' singles final at the All England Lawn Tennis Championships in Wimbledon, London, Sunday July 6, 2014. (AP Photo/Alastair Grant) (The Associated Press)

Qualifier Noah Rubin beat sixth-seeded Stefan Kozlov 6-4, 4-6, 6-3 to win the Wimbledon junior boys' title in an all-American final.

Unseeded Jelena Ostepanko of Latvia won the junior girls' title with a 2-6, 6-3, 6-0 win over eighth-seeded Kristina Schmiedlova of Slovakia.

In boys' doubles, No. 3-seeded Orlando Luz and Marcelo Zormann of Brazil beat top-seeded Kozlov and Andrey Rublev of Russia 6-4, 3-6, 8-6 in the championship match.

Tami Grende of Indonesia and Yu Yequi of China won the girls' doubles title with a 6-2, 7-6 (5) win over Marie Bouzkova of Czech Republic and Dalma Galfi of Hungary.