Tennis: Naomi Osaka wins U.S. Open to claim Japan's 1st Grand Slam title

Naomi Osaka wrote her name in Japanese sporting history on Saturday, becoming the country's first singles Grand Slam champion by beating Serena Williams 6-2, 6-4 in the U.S. Open final.In the players' second meeting, Osaka kept her record unblemished against the woman regarded by most as the best-ever, dominating the first set and then overcoming a 3-1 deficit in the second to deny Williams a record-equaling 24th Grand Slam trophy.But it will be a huge umpiring controversy that will grab the headlines.Williams was handed a "game penalty" after arguing with the umpire and calling him a "thie…READ FULL ARTICLE