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 men's swimming takes gold, Ledecky settles for silver
American swimmer Caeleb Dressel led the men's team to a gold medal in the 4x100-meter freestyle relay on Monday, marking Team USA's second gold medal at the Tokyo Olympics. Dressel is on a quest to win six gold medals at the Games and is often referred to as the successor to Michael Phelps, the most successful and most decorated Olympian of all time with 28 medals.
Katie Ledecky on the U.S. women's swimming team, another decorated champion, was bested in the 400-meter freestyle by Australia's Ariarne Titmus, nicknamed "The Terminator." Ledecky's silver increased U.S. swimming's current medal total at the Tokyo Olympics to 8.
Matthias Schrader/AP Photo
United States men's 4x100m freestyle relay team Bowen Beck, Blake Pieroni, and Caeleb Dressel celebrate after winning the gold medal at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan.
Antonio Bronic/Reuters
Katie Ledecky of the United States and Ariarne Titmus of Australia compete in teh Women's 400m freestyle on July 26, 2021 in Tokyo.
13-year-old Nishiya Momiji of Japan wins gold medal in women's street skateboarding
Team Japan has now claimed both gold medals in the first two events of skateboarding at the Tokyo Olympics, as Nishiya Momiji won the women's street final after compatriot Yuto Horigome won the men's. Momiji, 13, was joined on the podium by another 13-year-old, Rayssa Leal of Brazil, who won silver, and 16-year-old Nakayama Funa of Japan, who took home the bronze.
Ben Curtis/AP Photo
Silver medalist Rayssa Leal of Brazil, left, congratulates gold medal winner Momiji Nishiya of Japan after winning the women's street skateboarding finals at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan.
Lucy Nicholson/Reuters
Momiji Nishiya of Japan competes in the women's street competition on July 26, 2021, in Tokyo.
COVID-19 cases increase to 153 among Olympic athletes and personnel
There were 16 newly confirmed cases of COVID-19 among people at the Tokyo Olympics on Monday, including three athletes and one personnel member staying at the Olympic Village. The total now stands at 153, according to data released by the Tokyo 2020 organizing committee.
Meanwhile, the city of Tokyo reported 1,429 new cases on Monday, an increase in the rolling seven-day average of 141.2%, according to data released by the Tokyo metropolitan government.
There were no confirmed cases among the 1,144 U.S. Olympic delegates in Japan as of Sunday.
MORE: How 3 Olympic, Paralympic athletes adapted their training to the COVID-19 pandemic
Alessandra Tarantino/AP Photo
People sitting on the athletes' stand watch watch the men's team competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan.
US softball defeats Japan in warmup for gold medal game
The U.S. softball team defeated Japan 3-1 to keep their perfect 5-0 record, finishing the group stage. The two teams will face off again in the final on Tuesday, a gold-medal rematch of the 2008 Summer Olympics in Beijing where Japan defeated Team USA 3-1.
MORE: Discontent over Fukushima nuclear disaster response casts shadow over Tokyo Olympics
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Kelsey Stewart #7 of Team United States jumps on home plate as the umpire and her teammates watch her score the winning run after Stewart hit a walk-off home run in the seventh inning against Team Japan during softball opening round on day three of the Tokyo 2020 Olympic Games at Yokohama Baseball Stadium on July 26, 2021 in Yokohama, Kanagawa, Japan.
Yuichi Masuda/Getty Images
Yuka Ichiguchi #4 of Team Japan reaches but can't catch the ball going over the right field fence hit by Kelsey Stewart #7 of Team United States for a walk-off home run in the eighth inning during softball opening round on day three of the Tokyo 2020 Olympic Games at Yokohama Baseball Stadium on July 26, 2021 in Yokohama, Kanagawa, Japan.
Typhoon heading toward Japan causes rowing, archery to reschedule
The Tokyo 2020 organizing committee reported that recent forecasts predict the typhoon will make landfall somewhere in the Kanto and Tohoku regions tomorrow, July 27. The heavy rain prediction caused rowing, archery and sailing events to be rescheduled, but the Olympic surfers hope the storm brings in bigger waves, according to the Associated Press.
Lisi Niesner/Reuters
Rio Waida of Indonesia launches off a wave in the first heat of the men's shortboard competition on July 26, 2021 in Tokyo.
Lee Jin-man/AP Photo
Rowers train during a rowing training session at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan.
Osaka and Djokovic a step closer to special goals
Naomi Osaka is hoping to bring home the gold in women’s singles for host country Japan and is on her way after defeating Viktorija Golubic 6-3, 6-2. Novak Djokovic is also closer to something remarkable after defeating Jan-Lennard Struff: a Golden Slam. A Golden Slam is achieved by winning all four Grand Slams and an Olympic gold in the same year, a feat only accomplished by Steffi Graf in 1988.
MORE: What is a Golden Slam? Novak Djokovic looks to make men's tennis history with Olympics
Giuseppe Cacace/AFP via Getty Images
Japan's Naomi Osaka returns a shot to Switzerland's Viktorija Golubic during their Tokyo 2020 Olympic Games women's singles second round tennis match at the Ariake Tennis Park in Tokyo on July 26, 2021.
Giuseppe Cacace/AFP via Getty Images
Serbia's Novak Djokovic serves to Germany's Jan-Lennard Struff during their Tokyo 2020 Olympic Games men's singles second round tennis match at the Ariake Tennis Park in Tokyo on July 26, 2021.
More scenes from today's action:
Kai Pfaffenbach/Reuters
Adam Peaty of Britain reacts after winning the gold medal in the 100m breaststroke on July 26, 2021, in Tokyo.
Thibault Camus/AP Photo
Mathieu van der Poel of the Netherlands tumbles on a downhill during the men's cross country mountain bike competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Izu, Japan.
David Goldman/AP Photo
Kristian Blummenfelt of Norway celebrates his gold medal victory as Alex Yee of Great Britain crosses the finish line for the silver medal during the men's individual triathlon at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan.
Kevin C. Cox/Getty Images
Vincent Hancock of Team United States during the Skeet Men's Finals on day three of the Tokyo 2020 Olympic Games at Asaka Shooting Range on July 26, 2021 in Asaka, Saitama, Japan.
Ueslei Marcelino/Reuters
Eldric Sella Rodriguez of the Refugee Olympic Team lies on the ground after being knocked down during his fight against Euri Cedeno Martinez of the Dominican Republic on July, 26, 2021, in Tokyo.
Petros Giannakouris/AP Photo
Margareta Kozuch, second from left, of Germany, jumps for a shot as teammate Laura Ludwig looks on while Megumi Murakami, left, of Japan, and teammate Miki Ishii wait for the ball during a women's beach volleyball match at the 2020 Summer Olympics, Monday, July 26, 2021, in Tokyo, Japan.
Olivier Morin/AFP via Getty Images
John John Florence of the United States rides a wave during a free session at the Tsurigasaki Surfing Beach, in Chiba, on July 26, 2021 during the Tokyo 2020 Olympic Games.
Aris Messinis/Pool via Reuters
Luka Doncic of Slovenia positions for a rebound against Patricio Garino of Argentina in the group round of men's basketball on July, 26, 2021.
PETER KLAUNZER/EPA-EFE/Shutterstock
Switzerland's Max Studer, right, and Jonathan Brownlee of Britain are exhausted in the finish area during the men's Individual Triathlon competition at the 2020 Tokyo Summer Olympics in Tokyo, Japan, 26 July 2021.
Hassan Ammar/AP Photo
Alexander Choupenitch of the Czech Republic celebrates defeating Peter Joppich of Germany in the men's individual round of 16 Foil competition at the 2020 Summer Olympics, Monday, July 26, 2021, in Chiba, Japan.
Bernadett Szabo/Reuters
Spain and the players of Argentina sing their national anthems before their hockey match on July 26, 2021 in Tokyo.
Catch up on the best moments from the previous days' events
MORE: Key moments from the Olympic Games: Day 2
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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