Japanese teen Shintaro Mochizuki, who on the weekend won the Wimbledon boys' title, claimed the No. 1 spot for junior players in the latest world rankings released by the International Tennis Federation.In the latest rankings released on Monday, the 16-year-old jumped eight spots from last week, becoming the first Japanese to top the rankings for players aged 18 and under since the current combined junior ranking system was introduced in 2004. Before then, singles and doubles were ranked separately.Ai Sugiyama reached the girls' singles No. 1 position in May 1991."I'm really happy with that…READ FULL ARTICLE