In the second semi final match of the 2017 Us Open, Rafael Nadal beat Juan Martin Del Potro 4-6, 6-0, 6-3, 6-2 in a two-and-a-half hour match. After beating Roger Federer in the quarter final match, Del Potro failed to beat Nadal and repeat 2009 when he reached his only Grand Slam and US Open Final. He won the first set 6-4, after breaking Nadal's serve in the fifth game of the match. From that point on, Nadal was dominant. He won the second set without losing a game after only 28 minutes of playing. In the third set, the Spaniard broke Del Potro's serve in the second game of the set and went on to win the set 6-3.

He kept playing well in the fourth set and broke Argentinian's serve twice to win the match and advance to his 23rd Grand Slam Final. This was Nadal's ninth win against the world's number 33.

Kevin Anderson will make his first Grand Slam Final appearance

In the first semifinal match of the 2017 US Open, the 31-year-old South African tennis player, Anderso, beat Spaniard Pablo Carenno Busta 4-6,7-5,6-3,6-4 after two hours and 57 minutes. Pablo Carreno Busta won the first set, but that was all he could do. In the twelfth game of the second set, while leading 5-4, Anderson broke his opponent's serve and won the set. In the third set he broke his opponent's serve to take a 4-1 lead and eventually won the set 6-3.

In the fourth set, he broke his opponents serve once more and won the match. The world number 32 will be the first South African in the US Open Final in the Open era. Anderson, who is 6 feet and 8 inches tall, will be the tallest player ever in a Grand Slam Final. He used his strongest weapon, his serve, very well in this match and had 23 aces.

While playing in this year's US Open he had over 100 aces. This semifinal win will help Anderson move to the Top 15 on ATP's list, while a win in the final will move him to ATP's Top 10.

16th title for Nadal or first for Kevin Anderson

In his legendary career Rafael Nadal played in 23 Grand Slam Final matches and won 15 of them.

He won the US Open two times, in 2010 and 2013, he s beat Novak Djokovic. In 2011, he was the runner-up. With a victory on Sunday, he would get closer to Federer's record of 19 Grand Slam titles. This year he lost the Australian Open Final to Federer, but won his 10th French Open title.

Kevin Anderson has topped the best result of his career so far. He has three ATP titles and the best ranking of his career was the 10th place in 2015. The last match between these two players was in Barcelona this year, when Rafael Nadal won 6-3, 6-4 extending his record against Anderson to 4-0. Nadal is a huge favorite in this match, but Anderson has beaten top players before. Will he be able to pull of a major upset? We'll find out on Sunday, 10th of September.