Medvedev, Osaka and Gauff are in first round action.
The US Open gets underway at Flushing Meadows in New York this afternoon.
Andy Murray faces third seed Stefanos Tsitsipas this evening.
Daniil Medvedev, Naomi Osaka and Coco Gauff are also in first round action later
We're all champions, every day 💪 #BeOpen pic.twitter.com/2w2sKq8P9H
— US Open Tennis (@usopen) August 29, 2021

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