Novak's US Open title defence came to a halt on Sunday when the Serb retired from his fourth-round match against Stan Wawrinka. The Swiss led, 6-4, 7-5, 2-1, when the top seed stopped due to a left shoulder injury. They were facing off for the first time since the 2016 US Open final.
Novak defeated the big hitting Argentine 6-4, 7-6 (3), 6-1 to progress in two hours and 15 minutes under the Arthur Ashe Stadium roof. Next up for the top seed is Denis Kudla (USA, ATP #111).
Novak started his title defence in a strong fashion by beating Roberto Caraballes Baena in straight sets, 6-4, 6-1, 6-4. He next faces Juan Ignacio Londero (ARG, ATP #56).
The main singles draw for the last Grand Slam tournament in 2019 has been made on Thursday. No.1 seed and defending champion will open campaign in his 14th US Open appearance against Roberto Caraballes Baena from Spain (ATP #76).
Novak defeated no.3 seed Juan Martin del Potro 6-3, 7-6 (4), 6-3 in the US Open final, joining Pete Sampras in third place among Open Era Grand Slam title leaders (14). The Serbian star clinched his third trophy in New York, adding to wins in 2011 and 2015
Novak advanced to his eight US Open final following a comprehensive 6-3, 6-4, 6-2 win over Japan’s Kei Nishikori, putting himself within one victory of a third title at Flushing Meadows. Djokovic faces no.3 seed and 2009 champion Juan Martin del Potro on Sunday.
Djokovic beat John Millman 6-3, 6-4, 6-4 in a fiercely contested quarter-final on Wednesday night. The match lasted 2 hours and 49 minutes. Novak faces 2014 runner-up Kei Nishikori (#21 seed) for a place in the final
The sixth seed needed two hours to progress to the US Open last 8, beating Joao Sousa 6-3, 6-4, 6-3 on Arthur Ashe Stadium. He will next face John Millman (AUS)
Novak showed a masterclass performance to advance to the fourth round for the 11th time in New York, following a 6-2, 6-3, 6-3 victory over Richard Gasquet on Saturday night. The sixth seed will play world no.68 Joao Sousa (H2H 4-0) for a place in the quarter-finals