China's Ye Shiwen qualified for the women's 200m individual medley semifinals, clocking in 2:10.56, and Michael Phelps of the United States made the semifinal of the men's 200m butterfly at the Rio Olympics on Monday.
Ye finished her heat first in 2 minutes 10.56 seconds, ranking seventh to make the semifinals.
"I'm satisfied as it couldn't be worse than my 400m individual medley. I'll try my best, hoping to do better in the semifinal," Ye added.
Katinka Hosszu of Hungary ranked first by timing in 2 minutes 7.45 seconds, while China's Zhou Min failed to make the semifinal.
The semifinals were slated at the Olympic Aquatics stadium on Monday night with the final scheduled for Tuesday.
In the women's 200m freestyle, Shen Duo and Ai Yanhan, both of China, made the semifinals, while Kathleen Ledecky of the United States finished fastest, at 1 minute 55.01 seconds.
Tamas Kenderesi and Laszlo Cseh from Hungary scored the fastest timing in the men's 200m butterfly, clocking in 1:54.73 and 1:55.14 respectively. Michael Phelps of the United States, who just got his 19th Olympic gold medal Sunday in the men's 4x100 freestyle relay, timed in 1:55.73 for the semifinal.
China's Li Zhuhao finished 16th for the last spot of the semifinals, clocking in 1:56.72, just 0.01 second faster than the 17th swimmer Jan Switkowski of Poland.