Many experts and fans expected to see another Nadal vs Federer match in the US Open 2017 semi finals after the schedule of the tournament came out, but Juan Martin Del Potro had something to say about that. After he pulled off a tough win against Dominic Thiem, he played one of his best matches this year and beat the great Roger Federer. With this win, Del Potro earned his first Grand Slam semi final spot since 2013.

Del Potro won the match 7-5,3-6,7-6 (10-8),6-4 after playing for two hours and 54 minutes at the 'Artur Ashe' stadium.

Rafael Nadal beats Rublev and advances to the semi final

In the other quarterfinal match of the 2017 US Open, Rafael Nadal beat the youngster Andrey Rublev 6-1,6-2,6-2. Now he faces Juan Martin Del Potro who he has beaten 8 times and lost to 5 times. The last time he played Del Potro in the US Open, the Argentinian won 6-2,6-2,6-2. This match was played in 2009. Since then, both players have had their problems with injuries. But, those problems are behind them and both of them had a great run in this year's US Open.

Del Potro won the US Open in 2009, while Rafael Nadal was the champion in 2010 and 2013.

Kevin Anderson and Pablo Carreno Busta face off in the second semifinal of the 2017 US Open

The second semifinal matchup is between South African tennis player Kevin Anderson and Spaniard Pablo Carreno Busta. This matchup is much less interesting compared to the Nadal vs Del Potro matchup. Both of these players said that they are happy that the spotlight is not on them and all they want is to have a great match. For both players, this is the biggest match in their careers.Kevin Anderson advanced to the semifinal after beating Sam Querrey, while Pablo Carreno Busta won the match against Schwartzman to advance to the semifinals.

Both semifinal matches will be played on Friday, September 8.

American semi finals in woman competition

For the third time in the Open Era and the first time since 1981, four home players will compete in the women's US Open. That fact is more impressive, considering that Serena Williams is not even playing and that the United States has only one player in the Top 10. Semifinal matchups will be Venus Williams vs Sloane Stephens and Coco Vandeweghe vs Madison Keys. Will Venus Williams win a Grand Slam after two straight defeats in the finals and become the oldest woman to win a Grand Slam? We will have the answer on Saturday, the 9th of September when the women's final takes place.,