"It doesn't mean a lot for the future," Zverev said. "We both know that there's a lot of improvements to be made for both of us."
Ryan Harrison beats 10th-seeded Viktor Troicki at Citi Open in Washington →
"I was (in the) finals in Paris, I was in semis at the U.S. Open. Never could I make it to a victory, but now I did," he said.
Zverev, Kulichkova win Aussie Open junior titles →
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