Nick Kyrgios and Stefanos Tsitsipas are among the entrants for next month’s Western & Southern Open in New York, which will serve as a warm-up for the US Open.
Novak Djokovic, Rafael Nadal and Serena Williams have also entered the tournament, organisers said.
It will be the first time Kyrgios will face Djokovic since the Greek Australian expressed his fury at the world No.1 conducting a tournament earlier in the COVID-19 pandemic, which resulted in several players contracting the virus, Djokovic included.
Kyrgios has also previously expressed concern that the US Open is to go ahead from August 31 amid the growing coronavirus crisis in the US.
The US has recorded 4.4 million cases of COVID-19, including more than 150,000 deaths, according to the Johns Hopkins University tally.
Organisers of the warm-up event, which begins on August 20 and was relocated from Cincinnati this year because of COVID-19, said defending champions Daniil Medvedev and Madison Keys are also among the initial entries.
The ATP Masters 1000 event will be the first on the men’s calendar since play was suspended in March because of the virus.
Among the other entries on the men’s side, which includes 40 of the top 43 ranked ATP players, are world No.3 Dominic Thiem, 2017 champion Grigor Dimitrov and Marin Cilic (2016).
World No.3 Karolina Pliskova, who won the event in 2016, is the highest-ranked player on the women’s side that will feature 39 of the top 53 players in the world.
Wimbledon was cancelled this year and the French Open is scheduled to follow the US Open in September.
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