Research Director Sota Kato tells the Straits Times that Tokyo Governor Yuriko Koike’s chance of being elected is "very, very high," regardless of her first-term accomplishment, as "incumbents have never lost in previous Tokyo elections."

"Tokyo Governor Election Race Kicks Off," Straits Times
https://www.straitstimes.com/asia/east-asia/tokyo-governor-election-race-kicks-off

Profile of Research Director Sota Kato
https://www.tkfd.or.jp/en/experts/detail.php?id=29