Yoshihito Nishioka and Taro Daniel gave Japan a commanding 2-0 lead in its Davis Cup World Group I playoff tie against Poland on Saturday, cruising to straight-sets wins in their opening singles rubbers.
Nishioka dominated Daniel Michalski 6-3, 6-2 before Daniel saw off Kacper Zuk 6-3, 6-4 at Bourbon Beans Dome in Miki, Hyogo Prefecture.
Coming off his career-best Grand Slam result at January's Australian Open, where he reached the last 16, world No. 33 Nishioka took just 71 minutes to dispatch No. 273 Michalski.
The 108th-ranked Daniel needed only 70 minutes to wrap up the second rubber against No. 255 Zuk.
Ben McLachlan and Yosuke Watanuki will meet Lukasz Kubot and Jan Zielinski in doubles on Sunday before the scheduled reverse singles rubbers.
