Rafael Nadal, a 12-time French Open winner, lost in the quarter-finals of the Italian Open to world number 15 Diego Schwartzman.
Novak Djokovic beat Argentine Diego Schwartzman 7-5, 6-3 in the final of the Italian Open.
Novak Djokovic will face either Argentine eighth-seed Diego Schwartzman or Canadian Denis Shapovalov, the 12th seed, in the final of the Italian Open.
Rafael Nadal was making his comeback after a six-month coronavirus-enforced break having skipped the US Open ahead of Roland Garros with its first round on September 27.
Rafael Nadal has returned this week in Rome after a six-month coronavirus-enforced break before attempting to match Roger Federer's all-time record of 20 Grand Slam titles in Paris.
World number one Novak Djokovic won a battle with fellow Serb Filip Krajinovic to advance to the quarter-finals of the Italian Open on Friday.
Defending champion Rafael Nadal and Novak Djokovic made winning returns at the Italian Open on Wednesday with the top two men's seeds easing into the third round of the clay-court tournament in Rome.
Novak Djokovic beat Salvatore Caruso of Italy in straight sets to enter the third round of the Italian Open in Rome.
Novak Djokovic will be hoping to perform better in the Italian Open, after a dissapointing disqualification from the US Open.
Dominic Thiem came into the US Open final having lost to Novak Djokovic in the final of the Australian Open earlier this year. He also lost in the final of the French Open in 2018 and 2019, both times to Rafael Nadal.
World number one Novak Djokovic, a four-time Rome winner and five-time runner-up, lost to Rafael Nadal last year in the final.
Novak Djokovic urged his fans to be "supportive and caring" of the line judge at the centre of his US Open default row after she was attacked by online trolls.
Novak Djokovic's exit means there will be a first-time Grand Slam champion in the men's draw, with Alexander Zverev among the contenders at Flushing Meadows.
Novak Djokovic was disqualified from the US Open after accidentally hitting a tennis ball into the throat of a line official during his fourth round match.
Nick Kyrgios was quick to have his say after Novak Djokovic was sensationally disqualified from the US Open for hitting a woman line judge in the throat with a ball bashed away in disgust after losing his serve.
Novak Djokovic was sensationally disqualified from the US Open on Sunday after striking a line judge with a ball during his last-16 match.
US Open 2020: Novak Djokovic took less than two hours to beat Jan-Lennard Struff in straight sets to enter the round of 16.
Rafael Nadal and Roger Federer called for "unity, not separation" after Novak Djokovic revealed at the weekend that he was spearheading a controversial breakaway union for professional male players.