Key takeaways
Ben Tynan beat Duke Didier by knockout at 2:37 of round one in the main event of ONE Fight Night 21 at the Lumpinee Stadium in Bangkok. In the co-main event, Hiroyuki Tetsuka beat Valmir da Silva by submission at 3:35 of round two at middleweight.
Across the three bouts that produced a result, one ended by knockout and two by submission — three stoppages in three fights.
The quickest finish belonged to Jeremy Pacatiw, who stopped Shuo Wang at 2:10 of round one, and two of the three finishes came inside the opening round. The longest was Hiroyuki Tetsuka's submission of Valmir da Silva, 8 minutes and 35 seconds in. End to end, the three fights filled 13 minutes of cage time.
Three weight classes were used, heavyweight most often with one bouts.