The 38-year-old tennis legend, who has been dealing with injuries in recent years, said he will step away from the sport after next month’s Davis Cup finals.
Aryna Sabalenka and Jessica Pegula will face off in the tournament's women's singles final this weekend. It will be a rematch of August's final at the Cincinnati Open, which Sabalenka won.
The 13th-seeded Navarro will next face Aryna Sabalenka, while Americans Taylor Fritz and Frances Tiafoe advanced to the semis on the men's side of the tournament.
The final Grand Slam of the year isn't lacking in drama. Third-ranked Carlos Alcaraz lost to no. 74 Botic van de Zandschulp in a stunning upset, while Naomi Osaka's comeback hopes were dashed.
Osaka has won four major tournaments, including two Australian Opens and two U.S. Opens. She is making her comeback after taking hiatuses from the sport in recent years.
Coco Gauff's U.S. Open title defense is off to a successful start. The 20-year-old American beat Varvara Gracheva 6-2, 6-0 in just 66 minutes on Monday.
Taylor Townsend wasn’t supposed to play Sunday night, but when Venus Williams withdrew from the Atlanta Open Sunday Showdown due to injury, Townsend was invited to come back to a place she calls home and fill Williams’ shoes.
This is the first time Navarro has reached the quarterfinals at one of the tennis majors, while Gauff's loss was the latest in a string of exits by top-seeded women at the tournament.
Former World No. 1 in singles and doubles Venus Williams and 2017 U.S. Open champion Sloane Stephens will go head-to-head in the Atlanta Open Sunday Showdown on July 21.
Chris Eubanks is replacing an injured Taylor Fritz in the lineup for the United States against Ukraine in the Davis Cup. The 32nd-ranked Eubanks reached the quarterfinals at Wimbledon last year.
U.S. Open winner Coco Gauff will meet defending champion Aryna Sabalenka in the Australian Open semifinals after beating Marta Kostyuk 7-6, 6-7, 6-2 in an error-strewn match at Melbourne Park.