The most underhanded free throws in one minute was 28 by Bob J. Fisher (USA) at Centralia High School in Centralia, Kansas, USA, on 10 June 2011. Fisher was successful on 28 of 41 total attempts.

This marked Fisher’s 10th career Guinness World Records achievement in basketball free throws. The previous holder, Rick Barry, was an NBA Hall of Famer player famous for using the underhand technique throughout his professional career.