Golf-Korda claims gold medal and another family triumph.

Nelly Korda won the gold medal at the Olympic women’s golf on Saturday with a tense one-stroke victory to complete a United States sweep and secure another glittering prize for a royal family of sport.

For 54 holes the No. 1-ranked player proved her dominance on the course. Heading into the final round, she led by 3 shots and maintained a level of calm that no other player seemed to match. Before the final round started, it presented a series of unknowns, including whether the 60-player field would be able to finish 72 holes due to a looming tropical storm. But it felt like among all the unknowns, one thing was clear: Korda came to win gold.

Her victory, six days after Xander Schauffele won the gold in men’s golf, gave the United States a sweep of the tournaments at the Tokyo Olympics.

Korda, who won her first professional major at the Women’s P.G.A. Championship in June, left the 18th green with a broad smile, but for Inami and Ko, the day was not over: They immediately headed for a playoff to determine who would claim the silver medal, and who would get the bronze. That second competition lasted a single hole: Inami made par and finished second when Ko recorded a bogey.