Alexander Zverev tuned up for the summer hard-court season working with Ivan Lendl in Florida.
The world No. 3 says his three-day trial with the Hall of Famer is the extent of their partnership...for now.
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The reigning Washington, DC champion has known Lendl for years.
Zverev's trainer, Jez Green, is also friendly with Lendl. Green worked with the Hall of Famer when both were members of Andy Murray's coaching team.
"We just tried three days," Zverev told the media in Washington, DC. "I know [Lendl] for a long time. He's a good friend to me a good friend of [trainer] Jez Green, of my family. He just came down to Florida we just did three days together."
Zverev parted company with former world No. 1 Juan Carlos Ferrero after the Australian Open.
There has been speculation the 21-year-old German will work with Lendl in some capacity. Zverev isn't ruling it out, but says the three-day training is it "for now."
"I don't know what will happen," Zverev said. "But if something changes in my coaching staff, I will let you know."
Photo credit: Mutua Madrid Open Facebook