The Australian Open, one of the four Grand Slam tennis tournaments, made waves in Japan this year when Japanese player Naomi Osaka won the women’s singles title. Behind the scenes, meanwhile, Sumitomo Rubber Industries Ltd. (TYO:5110) supported the tournament by supplying Dunlop-branded tennis balls. Sumitomo Rubber supplied 15,000 sets of a dozen balls each for the tournament and its preliminary…
