Quarantined Dutch athletes allowed 15 minutes of fresh air after protest.

By BY ALEXANDRA E. PETRI from NYT Sports Some of the athletes said that coronavirus restrictions prevented them from going outside. Now they can get 15 minutes in front of an open window.https://nyti.ms/3l6NrE9

Medina Spirit Wins the 147th Kentucky Derby

By BY JOE DRAPE from NYT Sports Bob Baffert, the trainer, collected his seventh Derby victory as the favorite, Essential Quality, faltered and finished fourth.https://nyti.ms/2QDFee5

N.C.A.A. Quietly Eases a Virus Safety Rule for Tournament

By BY ALAN BLINDER AND BILLY WITZ from NYT Sports Teams arriving in Indiana for the men’s basketball tournament were supposed to quarantine for two days. Iona, with the N.C.A.A.’s blessing, held a practice on its first day.https://nyti.ms/3qRHZEm

Mixed Doubles, Often Neglected, Crowns Resilient Champions

By BY BEN ROTHENBERG from NYT Sports After a 14-day quarantine in their hotel rooms, Rajeev Ram and Barbora Krejcikova rolled through the draw and claimed victory at the Australian Open.https://nyti.ms/3bjmk2k

How a ‘Hard Quarantine’ Benefited a Player at the Australian Open

By BY BEN ROTHENBERG from NYT Sports While some players blamed strict virus measures for their troubles at the event, Jennifer Brady of the United States thinks it might have helped her advance.https://nyti.ms/3jYAqdz

Goodbye Fans at the Australian Open

By BY KAREN CROUSE from NYT Sports A new coronavirus lockdown for the state of Victoria means five days of no fans at the Grand Slam tournament.https://nyti.ms/2Njws2S

Novak Djokovic and Nick Kyrgios Trade Shots Off the Court

By BY KAREN CROUSE from NYT Sports A squabble at the Australian Open between stars with different styles.https://nyti.ms/3rPXEoT

As the Tennis Party in Australia Begins, an Uncertain Year Awaits

By BY MATTHEW FUTTERMAN from NYT Sports Officials in Australia moved mountains to make the country’s annual professional tennis swing happen. That will be far more difficult after the tour leaves this isolated, island nation.https://nyti.ms/3jfjn6j

The Craziest Two Weeks of Tennis Practice Ever

By BY MATTHEW FUTTERMAN from NYT Sports The organizers of the Australian Open promised local residents that the tournament would not set off a coronavirus outbreak. Making good on that promise is very complex.https://nyti.ms/3ohgjYm

No Courts, No Going Outside: How Tennis Players Are Improvising

By BY KAREN CROUSE from NYT Sports The athletes waiting in quarantine for the Australian Open are figuring out creative ways to stay busy (and swing a tennis racket) before they can hit the court.https://nyti.ms/2Y3a4ws

Rash of Coronavirus Cases Poses Early Challenge for the Australian Open

By BY MATTHEW FUTTERMAN from NYT Sports With several positive tests among people arriving from abroad, and a strict quarantine, the Australian Open is not going the way organizers expected it would.https://nyti.ms/38V9wiu

With Positive Tests, the Rules Change for Some Players in Australia

By BY MATTHEW FUTTERMAN AND BEN ROTHENBERG from NYT Sports After three people on two charter flights tested positive for the coronavirus, 47 players will not be allowed to practice for two weeks.https://nyti.ms/39DzFSi

Andy Murray’s Australian Open Said to Be in Doubt After Positive Test

By BY VICTOR MATHER from NYT Sports Murray reportedly tested positive for the coronavirus just before he was to leave for Melbourne, where strict quarantine rules await all players.https://nyti.ms/3oJ3uY1

The N.F.L. Has Prevented Coronavirus on the Field. Off It Is Another Matter.

By BY KEN BELSON from NYT Sports As the virus surges around the country — and near team facilities — the league’s efforts to complete the season on schedule will be severely tested.https://nyti.ms/36NkapB

A U.S. Open Missing Fans and Stars: Was it Worth It?

By BY MATTHEW FUTTERMAN from NYT Sports No Federer or Nadal, and so many top women taking a pass, plus a fracas with the French, but the United States Tennis Association needed to hold this tournament and has no regrets.https://nyti.ms/35rZ9S9

After Contact Tracing, Some U.S. Open Players Are Put on Tighter Restrictions

By BY CHRISTOPHER CLAREY from NYT Sports These athletes did not test positive for the coronavirus themselves, but they had close contact with an infected athlete who has been withdrawn from the tournament.https://nyti.ms/2YTsHns

After a Covid Scare, an Olympic Hopeful Recovers Her Optimism

By BY JULIET MACUR from NYT Sports Sunisa Lee was afraid she was infected with the coronavirus. She emerged from isolation with renewed resilience and a brand-new outlook on training.https://nyti.ms/31l2Arc

Cardinals Return With a New Appreciation for a Fragile Season

By BY TYLER KEPNER from NYT Sports “My hope is people realize it can happen to anybody,” John Mozeliak, the team’s president of baseball operations, said of the virus outbreak that halted the team’s schedule for two weeks.https://nyti.ms/341nNs5

Pitchers Are Creatures of Habit. A Season of Chaos Is Testing Them.

By BY TYLER KEPNER from NYT Sports Some have resorted to throwing against mattresses in quarantine. Some have sustained early injuries. And all pitchers are trying to cope without their normal routines.https://nyti.ms/2PD4Rr3

Baseball Enters the Unknown

By BY TYLER KEPNER from NYT Sports The schedule is short. The stadiums will be empty. But the players’ biggest task this summer might be keeping the virus at bay.https://nyti.ms/2OO5ldF