Alexei Popyrin has shown moments of utter brilliance since bursting onto the tennis scene as a teenager, but now he's gone to a new level. The 25-year-old is readying himself for the US Open, after just claiming his first maiden ATP Masters 1000 win. Today, he joins us to discuss how and why he has found a new high watermark. Featured: Alexei Popyrin, Australian tennis player.

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