Japan's Taro Daniel bowed out in the opening round of the Rakuten Japan Open on Tuesday, losing 6-1, 6-3 to No. 5 seed Stefanos Tsitsipas of Greece.A wildcard entry to the tournament, the 72nd-ranked Daniel struggled to hold serve against the aggressive baseline play of world No. 15 Tsitsipas at Musashino Forest Sport Plaza.In the opening set, the 20-year-old Tsitsipas won seven of 14 points on the 25-year-old Daniel's first serve and three of eight against his second serve.Daniel, who last month helped Japan win its Davis Cup World Group tie against Bosnia and Herzegovina, was unable to br…READ FULL ARTICLE