Roger Federer of Switzerland
Roger Federer of Switzerland reaches for a return against compatriot Stan Wawrinka during their men's singles semi-final match at the U.S. Open Championships tennis tournament in New York, September 11, 2015. Reuters/Carlo Allegri

World No. 1 Novak Djokovic of Serbia and World No. 2 Roger Federer of Switzerland battle for the championship of the 2015 US Open in Flushing Meadows, New York on Sunday (early Monday morning in Australia). The last Grand Slam of the year see a fitting end as the world’s number one player meets an all-time great and even considered by many as the greatest player to play in tennis.

The match-up will also add more to the rich and storied rivalry between Djokovic and Federer, who has battled 41 times before entering Sunday’s final in New York. Federer leads Djokovic in their all-time head-to-head, 21-20 and also leads in their Grand Slam tournament match-ups, 7-6.

The pair has met three times in three Grand Slam finals with Djokovic leading, 2-1. Djokovic beat Federer twice at Wimbledon, 6–7 (7), 6–4, 7–6 (4), 5–7, 6–4 in 2014 and 7–6 (1), 6–7 (10), 6–4, 6–3 in 2015. Federer defeated Djokovic at the 2007 US Open in straight sets, 7–6 (4), 7–6 (2), 6–4. The 2007 title was the fourth in Federer’s five straight US Open titles from 2004 to 2008.

Djokovic expects Federer to play “high level” tennis during the championship round as he has shown in the past.

“We all know how consistent he is and how good he is in the latter stages of a Grand Slams and any other big tournament. He's always going to perform on a high level. Rarely he drops his level. He always makes you play your best,” Djokovic said in the tournament’s official website after his win against defending champion Marin Cilic.

“That's what I like about the rivalry. I think we both can -- I don't know how it is for him, but I feel like he doesn't need to adjust his game as much, either. I think it's just a straight shootout, and I think that's the cool thing about our rivalry. It's very athletic,” the Swiss Maestro, who beat compatriot Stan Wawrinka in the other semifinal, said about the Djokovic-Federer rivalry.

Catch the 2015 US Open finals Federer vs. Djokovic live streaming via ESPN or the US Open website.

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