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New York's Billie Jean King National Tennis Center was transformed into a field hospital for coronavirus overflow in April. Today, it welcomes the 128 participants of the 140th U.S. Open.

Yes, but: It won't welcome any of the 30,000 daily fans it normally draws, with strict safety protocols barring entry for any non-essential personnel.

The bubble: The venue was turned into a bubble for the recently concluded Western & Southern Open, and will operate similarly for the U.S. Open.

  • Players must stay in one of two nearby hotels — or a private home vetted by the USTA — and they're not allowed to go anywhere except the venue.
  • Testing is done every four days, but only after returning two negatives in the first 48 hours after arrival. (Frenchman Benoît Paire, the No. 17 seed, tested positive on Sunday and has been replaced by an alternate.)

The field: With so many top players opting out for health reasons amid the pandemic, the field is wide open. Well, at least on the women's side.

  • Women: Six of the top 10 players are out, and No. 7 seed Naomi Osaka is dealing with a hamstring injury that caused her to withdraw from the Western & Southern finals on Saturday.
  • Men: With his Western & Southern Open title, No. 1 ranked Novak Djokovic improved to 23-0 in 2020. He's the heavy favorite with Roger Federer and Rafael Nadal both opting out.

Go deeper

Updated Sep 1, 2020 - Sports

Naomi Osaka wears Breonna Taylor mask at U.S. Open

Tennis star Naomi Osaka said Monday night after wearing a mask bearing the name "Breonna Taylor" during her win over fellow Japanese player Misaki Doi she plans to highlight other names during the U.S. Open this tournament.

What she's saying: Osaka said after the match that she has seven face coverings with names in total. "It's quite sad that seven masks isn't enough for the amount of names," she said. "So hopefully I'll get to the final and you can see all of them."

Updated 40 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Sarah Grillo/Axios

  1. Global: Total confirmed cases as of 7 a.m. ET: 30,804,120 — Total deaths: 957,348— Total recoveries: 21,062,785Map.
  2. U.S.: Total confirmed cases as of 7 a.m. ET: 6,766,631 — Total deaths: 199,268 — Total recoveries: 2,577,446 — Total tests: 94,211,463Map.
  3. Education: What we overlooked in the switch to remote learning
  4. Politics: In reversal, CDC again recommends coronavirus testing for asymptomatic people.
  5. Health: The dwindling chances of eliminating COVID-19.
  6. World: Guatemalan president tests positive for COVID-19 — The countries painting their pandemic recoveries green.

What we overlooked in the switch to remote learning

Illustration: Eniola Odetunde/Axios

America’s rapid and urgent transition to online school has come with a host of unforeseen consequences that are only getting worse as it continues into the fall.

The big picture: The issues range from data privacy to plagiarism, and schools are ill-equipped to deal with them, experts say.