That was the first career Grand Slam final for Keys, who was one of four American women in the semifinals a year ago at the U.S. Open.
This year's US Open is anything but boring.
His opener eased him in nicely, the young 177-ranked Japanese player, Yoshihito Nishioka, who the Swiss beat, 6-2, 6-2, 6-4. The Frenchman has never beaten the Swiss No. 2 seed in six prior FedEx ATP Head2Head meetings.
Heading into the match, Federer is an evident favourite as he holds a 100% winning record against the French player. The third set too saw the same outcome as Federer's stronghold over the match continued to grow-this time with a 4-0 lead after he bagged a double break. The Swiss remained under pressure, but he chased down a drop shot to hold, broke with the help of a forehand victor, and held to love for the set, 7-5. Federer quickly dismissed the two break points he faced, holding for 5-1. He would have to serve it out, and did: 6-4.
The Australian closed in on a matchup against Roger Federer in the third round.
Federer however, who produced 56 winners in today's victory, dismissed his comments as a joke.
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It was a very good start from both players, reaching 5-5 after just 33 minutes, and Novak was there to compete against the world's leading player from the past four seasons, controlling his serve and groundstrokes well to stay on the positive side of the scoreboard.
The statistics did not make for pretty reading on either side: an evenly divided 50 winners between them, but 39 errors to Federer, 47 to Paire.
Eugenie Bouchard has won a match at the U.S. Open for the first time since 2015, the year she withdrew from the tournament after a fall left her with a concussion. The Frenchman won their only prior meeting when Kyrgios retired injured while trailing a set in the first round at Wimbledon previous year.
Federer broke the Japanese left-hander in the opening game of the one-sided encounter and never looked back.
Former world No. 1 Novak Djokovic will be back on Arthur Ashe in prime time, facing American Tennys Sandgren. No14 seed Fabio Fognini lost to John Millman, 6-1, 4-6, 6-4, 6-1, who will play Mikhail Kukushkin.
Kyrgios reached the third round by seeing off France's Pierre-Hugues Herbert 4-6, 7-6 (8/6), 6-3, 6-0. "You don't want that (loss) to happen next year.' I said, 'Maybe I could retire now, because I protect my 18 first-round wins here.' That's what I meant with it", he said.