Each day, ABC News will give you a roundup of key Olympic moments from the day’s events in Tokyo, happening 13 hours ahead of U.S. Eastern Time. After a 12-month delay, the unprecedented 2020 Summer Olympics is taking place without fans or spectators and under a state of emergency due to the coronavirus pandemic.
US wins 1st gold medal after 1st-day drought
U.S. swimmer Chase Kalisz won the gold medal in the men's 400m individual medley, his first gold as well as the first medal overall for Team USA at the 2020 Games. Though it was the first time in decades that the United States failed to win a medal on opening day competition, the U.S. swimming team won 6 of 12 medals in the days' competition, including Kalisz's gold, two silvers and three bronze.
MORE: Powerhouse US swim team shines with 6 medals, 1st US gold
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Chase Kalisz of the United States, reacts after winning the final of the men's 400-meter individual medley at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan.
David J. Phillip/AP Photo
United States' Emma Weyant swims to win the silver medal in the 400-meter individual medley at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo.
US women's gymnastic team finds itself in unfamiliar position: 2nd place
The often dominant U.S. women's team saw another team leading the scoreboard after the qualifying round on Sunday. ROC, the athletes competing for Russia, finished the competition nearly a full point ahead of Team USA. Simone Biles finished first in the all-around, followed by teammate Sunisa Lee.
Gregory Bull/AP Photo
Simone Biles, of the United States, waits for her score after performing on the balance beam during the women's artistic gymnastic qualifications at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo.
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Grace McCallum of the United States competes on the balance beam during Women's Qualification on day two of the Tokyo 2020 Olympic Games at Ariake Gymnastics Centre on July 25, 2021 in Tokyo, Japan.
US men's basketball loses 1st game since 2004
The U.S. men's basketball team lost 83-76 in their opening game against France, the first game the team has lost since 2004. The loss hasn't knocked Team USA out of the running, they will have two more games in the group round to qualify for the next round. Since basketball's introduction to the Olympics in 1936, the U.S. men's team has won a medal in every competition except the 1980 Games, which was boycotted by the United States.
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Evan Fournier #10 of Team France drives to the basket against Zachary Lavine #5 of Team United States during the first half of the Men's Preliminary Round Group B game on day two of the Tokyo 2020 Olympic Games at Saitama Super Arena on July 25, 2021 in Saitama, Japan.
Eric Gay/AP Photo
United States' forward Kevin Durant (7) walks up the court during a men's basketball loss to France in a preliminary round game at the 2020 Summer Olympics, Sunday, July 25, 2021, in Saitama, Japan.
Coronavirus cases increase to 137 among Olympic athletes and personnel
Among the 10 new cases since yesterday, two are athletes and one of those, a Dutch rower, was staying at Olympic Village. Not included in that tally was golfer Bryson DeChambeau, who tested positive for coronavirus before leaving the United States and will no longer compete. New cases that have been reported in the Tokyo area now stand at 1,763, an increase in the rolling 7-day average of 146.5%.
MORE: How 3 Olympic, Paralympic athletes adapted their training to the COVID-19 pandemic
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Spectators gather to watch the Women's Road Race as it leaves Musashinonomori Park on July 25, 2021 in Tokyo, Japan.
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Staff operate coronavirus health screening at an entrance to Tokyo Stadium, the Olympic venue for football, rugby and modern pentathlon, on July 25, 2021 in Tokyo, Japan.
Skateboarding makes debut at Olympics
Skateboarding debuted at the 2020 Games with local star Yuto Horigome of Japan winning the gold medal and Team USA's Jagger Eaton taking home the bronze in the men's street competition. Many skateboarders, including U.S. star Nyjah Huston, have commented on the fact that the appearance of skateboarding in the Olympics is a win for skateboarders around the world, according to The Associated Press.
MORE: Japan's Horigome wins first ever Olympic skateboard gold
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Jagger Eaton of Team USA competes at the Skateboarding Men's Street Prelims Heat 1 on day two of the Tokyo 2020 Olympic Games at Ariake Urban Sports Park on July 25, 2021 in Tokyo, Japan.
Jeff Pachoud/AFP via Getty Images
Gold medallist Japan's Yuto Horigome, silver medallist Brazil's Kelvin Hoefler and bronze medallist Jagger Eaton of the U.S. pose on the podium at the end of the men's street during the Tokyo 2020 Olympic Games at Ariake Sports Park Skateboarding in Tokyo on July 25, 2021.
US softball heads to gold medal rematch against Japan
After defeating Australia 2-1 in their fourth win, the U.S. softball team heads to the gold medal game against Japan. This rematch from 2008, was the last time softball was at the Olympics and resulted in a silver medal for the team. The team was led by pitchers Monica Abbott and Cat Osterman, the only two players who were on the team for the loss in 2008.
MORE: Jill Biden cheers on Team USA as Olympic Games get underway in Tokyo, Japan
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United States' Haylie McCleney scores the game winning run in front of Australia's Belinda White, left, in the eighth inning of a softball game at the 2020 Summer Olympics, Sunday, July 25, 2021, in Yokohama, Japan.
Jorge Silva/Reuters
The United States softball team celebrates after winning their fourth game on July, 25, 2021 in Yokohama, Japan.
Intense heat could cause rescheduling for outdoor events
Olympic skateboarders, who compete at the unshaded Ariake Urban Sports Park, said the heat was already intense at 9 a.m. a sentiment echoed by tennis players Novak Djokovic and Daniil Medvedev. The International Olympic Committee said they would make backup plans if necessary.
Christophe Ena/AP Photo
A volunteer sprays water on children as they use umbrellas to beat the heat outside the Fuji International Speedway at the 2020 Summer Olympics, July 25, 2021, in Oyama, Japan.
More scenes from today's action:
Edgar Su/Reuters
Naomi Osaka of Japan is seen during her first round match against Zheng Saisai of China on July 25, 2021, in Tokyo.
Javier Soriano/AFP via Getty Images
USA's Anastasija Zolotic celebrates winning the taekwondo women's -57kg quarter-final bout against Turkey's Hatice Kubra Ilgun during the Tokyo 2020 Olympic Games at the Makuhari Messe Hall in Tokyo on July 25, 2021.
Lindsey Wasson/Reuters
Oksana Chusovitina of Uzbekistan is embraced by Orabi Bader, physiotherapist for Israel, after performing on the vault on July, 25, 2021 in Tokyo.
DIEGO AZUBEL/EPA-EFE/Shutterstock
Bryony Pitman of Great Britain is seen in action during the Women's Team 1/8 Elimination Round between Great Britain and Italy during the Archery events of the Tokyo 2020 Olympic Games at the Yumenoshima Park in Tokyo, Japan, 25 July 2021.
Sergei Grits/AP Photo
Brazil's Bruna de Paula, centre, scores during the women's preliminary round group B handball match between Russian Olympic Committee and Brazil at the 2020 Summer Olympics, Sunday, July 25, 2021, in Tokyo, Japan.
Steph Chambers/Getty Images
Liu Shiwen of Team China serves the ball during her Mixed Doubles Semifinal match on day two of the Tokyo 2020 Olympic Games at Tokyo Metropolitan Gymnasium on July 25, 2021 in Tokyo, Japan.
Ezra Shaw/Getty Images
Pauline Schaefer-Betz of Team Germany competes on uneven bars during Women's Qualification on day two of the Tokyo 2020 Olympic Games at Ariake Gymnastics Centre on July 25, 2021 in Tokyo, Japan.
Gaelen Morse/Reuters
Residents and friends cheer on U.S. swimmer Hunter Armstrong from Dover High School as he competes in the 100m backstroke semi-final race during the 2021 Olympic Games, in Dover, Ohio, July 25, 2021.
Matthias Hangst/Getty Images
Inna Deriglazova of Team ROC, left, competes against Lee Kiefer of Team United States in the Women's Foil Individual Fencing Gold Medal Bout on day two of the Tokyo 2020 Olympic Games on July 25, 2021 in Chiba, Japan.
Olivier Morin/AP Photo
Kolohe Andino, of the United States, rides a wave during the first round of the men's surfing competition at the 2020 Summer Olympics, Sunday, July 25, 2021, at Tsurigasaki beach in Ichinomiya, Japan.
Catch up on the best moments from the previous days' events
MORE: Key moments from the Olympic Games: Day 1
MORE: Tokyo Olympics opening ceremony: Best moments from the event
MORE: Key moments from the Olympic Games before the opening ceremony
SLIDESHOW: Tokyo Olympics Opening Ceremony
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