Naomi Osaka continued her strong start to the Tokyo Olympics tennis tournament on Monday, winning through her second-round match against Switzerland's Viktorija Golubic in straight sets.On a noticeably cooler day in the Japanese capital, Osaka put on a determined display, breaking her opponent's serve once in the first set and twice in the second as she rolled past the world No. 49 6-3, 6-2 in the match played on hard court at Ariake Tennis Park. Osaka, ranked No. 2 in the world, is now the top-ranked player competing in Tokyo after Ashleigh Barty of Australia suffered a shock first-round …READ FULL ARTICLE