The final major of the year in tennis, the #US Open has been underway for a while. Now, the semifinalists have been set in the men's bracket. How did these semifinalists perform in order to make it where they are and what does history say about how they will do?

The semifinalists on the lower bracket

Yesterday in the men's quarterfinals South African Kevin Anderson (28) took on American Sam Querrey (17), the last American male left in the US Open. Anderson would even up prevailing in an epic 7-6 (7-5), 6-7 (11-9), 6-3, 7-6 (9-7) match that lasted almost 3-and-a-half hours. The victory marks the first that the 31-year-old Anderson has gotten into the semifinals as plays in his 34th major.

Anderson will now face Spain's Pablo Carreno Busta (12), who took care of Diego Schwartzman (29) of Argentina 6-4, 6-4, 6-2. Schwartzman was Busta's toughest test so far, as the Spaniard played four qualifiers to start the tournament, becoming the first man to do so in a Grand Slam tournament in the Open era (since 1968).

This is the first time that the 26-year-old has reached the semifinals in a major. Busta will now face Anderson as they will battle to make their first finals appearance in a major.

The semifinalists on the upper bracket

In the first quarterfinals match of the day, Spaniard #Rafael Nadal (1) took on Russian Andrey Rublev, who is unseeded and ranked 53rd in the world rankings. Nadal managed to easily crush the young 19-year-old, as he routed him in straight sets 6-1, 6-2, 6-2.

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This is the 26th time that Nadal has made the semifinals in a major. It is the first time he had gotten this far at the US Open since 2013 when he last won the whole thing. This is the third time Nadal has reached the semifinals this year in a major, as he vies to win his second major of the year.

In the final quarterfinals match, Switzerland's #Roger Federer (3) faced off against Argentinian Juan Martin del Potro (24). However, it would turn out that del Potro would knock off the seemingly ageless Federer, who is now 36 years old, defeating him 7-5, 3-6, 7-6 (10-8), 6-4. This match mirrored the 2009 US Open finals in which del Potro beat Federer to win his lone Grand Slam.

With this victory, del Potro advances to his fourth semifinals in a major and prevents Federer from reaching his 43rd career semifinals appearance. This is del Potro's first semifinals since 2013 at Wimbledon. Del Potro will now face off again Nadal as he tries to make only his second finals appearance in a major.