Rafael Nadal has a tough first-round US Open match, but he's taken a 2-set lead against Borna Coric (live on ESPN2 & WatchESPN).
- 27 minutes later: Serena cruises into 2nd round
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- Vandeweghe gives on-court interview mid-match
- Sharapova announces withdrawal from US Open
- Djoker: Fed playing some of best tennis of life
- Murray expecting 'fired up' Kyrgios
- Jimmy Connors helping Bouchard before US Open