A recap of some surprising night action on Day 4 and look at who to watch Day 5 at the US Open

Surprising Day 4 and a look at action in Day 5

Courtside is celebrating 50 years of the US Open in 2018! Host Nick McCarvel and renowned tennis historian Steve Flink take us through the 2018 tennis season and count fans down to the US Open. Courtside is a USTA production in association with audioboom.

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Join us for a preview of the men's final between Novak Djokovic and Juan Martin Del Potro, who compete against each other in the final of a Grand Slam for the first time. And in sync with the US Open crowning a new women's champion, 20-year-old Naomi Osaka, we take another step back in time during our 50th anniversary celebration by visiting with Chris Evert.

37: US Open Day 14 Preview

The women's final is here! Serena or surprising and delightful Naomi Osaka? Our team breaks down the matchup. We sit down with Gold Badge umpire Jake Garner. Finally, our 50th anniversary celebration features the last American man to win the singles title, Andy Roddick.

36: US Open Day 13 Preview and Andy Roddick

Get ready for the men's semifinals with our preview! Defending champion Rafael Nadal plays Juan Martin Del Potro , then Kei Nishikori takes on Novak Djokovic. We visit with the man behind our 50th Anniversary interviews, Steve Flink. Then Steve gets busy with highlights from his conversation with 1988 champion Mats Wilander.  

35: US Open Day 12 Preview and Mats Wilander

The Women's semifinals are here! We preview Serena Williams vs. Anastasija Sevastova and Madison Keys against Naomi Osaka. PLUS...our US Open 50th anniversary celebration features Pete Sampras.  

34: US Open Day 11 Preview and Pete Sampras

We fill you in on quarterfinal action and talk to longtime tennis journalist Cindy Shmerler. And as the tennis world marvels at Australian John Millman's stunning win over Roger Federer, we visit with another Aussie who rocked the tennis world 50 years ago. Owen Davidson, who won the very first match of the Open Era, recounts those groundbreaking days.

Surprising Day 4 and a look at action in Day 5

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