It was Kudermetova's second win over Pegula this season - following her victory in the Madrid quarter-finals - and a fifth win in her last six matches against top-10 opponents.
It's my second title and I'm proud of myself," said Kudermetova, whose previous title was also a WTA 500 crown at Charleston in 2021.
"I prepared myself for a tough match as Jessica is a great player and a great fighter...
Pegula counted the positives after a good week in which she did not drop a set until the final.
"It's always great to give yourself a chance to win the tournament," Pegula said.
Persons:
Russia's Veronika Kudermetova, Jessica Pegula, Androniki, Veronika Kudermetova, Iga, I'm, Jessica, It's, Pegula, Aryna, Iga Swiatek, Coco Gauff, Elena Rybakina, Shrivathsa Sridhar, William Mallard, Michael Perry
Organizations:
Pan, Ariake, U.S, REUTERS, Rights, Pan Pacific, Charleston, Thomson
Locations:
Tokyo, Japan, American, Russian, Madrid, Beijing, Cancun , Mexico, Bengaluru