Hatsuta Keisuke (初田 啓介) announced 20 SASUKE tournaments. He began as the #2 announcer in SASUKE 2 and became the main announcer following Furutachi Ichiro's departure after SASUKE 12. Ogasawara Wataru moved from #2 announcer to lead after Hatsuta's final competition, SASUKE 21.
Despite his absence from SASUKE, he was the lead announcer for KUNOICHI 8.