Is this Roger Federer’s new service motion? Unlikely. But it is further proof that the Swiss maestro has been as playful as ever on the Wimbledon practice courts.

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Federer will face Great Britain’s Dan Evans in third-round action on Centre Court later on Day 5. Stay tuned for a full report after the match. In the meantime, kick back and have a laugh—it’s what Roger’s doing after all…

P.S. Does Federer’s “new” motion look a little bit like his coach Ivan Ljubic’s? Or is he imitating Goran Ivanisevic?