Felix Auger-Aliassime took a while to find his game at the Japan Open Tennis Championships on Monday, but when the Montreal athlete did it was enough to net him a first-round singles victory over resilient Australian Aleksandar Vukic.
Hubert Hurkacz claimed his second Masters title in a dramatic final at the Shanghai Masters on Sunday, saving a match point before prevailing 6-3, 3-6, 7-6 (8) against Andrey Rublev.
The top-seeded Pegula dropped only one set through the tournament and becomes the first American since Venus Williams in 2007 to win the title in Seoul.
Leylah Fernandez rallied from a set down to defeat Katerina Siniakova 3-6, 6-4, 6-4 and win the Hong Kong Open for her first title in 19 months.
Seventh-ranked Andrey Rublev had mixed feelings after advancing to the final of the Shanghai Masters by beating Grigor Dimitrov 7-6 (7), 6-3 on Saturday.
Leylah Fernandez advanced to her first final in 19 months after a 6-2, 7-5 victory over fifth-seeded Anna Blinkova at the Hong Kong Open.