Alexander Zverev crushed Peter Nagy of Hungary to put Germany within touching distance of a place in the finals of the revamped Davis Cup.
The German World No. 3 beat the Hungarian, who finished 2018 outside the top 600, 6-2, 6-2, to put Germany 2-0 up with the doubles and reverse singles all to be played on Saturday.
Philipp Kohlschreiber had opened the tie in Frankfurt by outlasting Zsombor Piros 6-7 (8/6), 7-5, 6-4.
Former champions Australia, Russia and Serbia also took 2-0 leads. John Millman brushed aside Bosnian number one Damir Dzumhur 6-3, 6-2, in Adelaide, before rising star Alex De Minaur beat Mirza Basic 6-3, 7-6 (7/0) to claim his first Davis Cup win.
"It's a dream come true for me, and I'm so happy I finally was able to get a win for my country in Davis Cup," said the 19-year-old De Minaur.
"You're playing for your bench, you're playing for your country -- we don't get to do that every week."
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