Key takeaways
Ryusei Ashizawa beat Koji Tanaka by split decision after three rounds in the main event of RIZIN 41 at the Maruzen Intec Arena Osaka in Japan. In the co-main event, Vugar Karamov beat Yoshinori Horie by submission at 3:26 of round two at featherweight.
Across the twelve bouts that produced a result, five ended by knockout, three by submission and four on the judges' scorecards — eight stoppages in twelve fights. Three of the four decisions divided the judges.
The quickest finish belonged to Mehman Mamedov, who stopped Yusaku Nakamura after 35 seconds, and four of the eight finishes came inside the opening round. The longest was Sota Kimurai's knockout of Shingeki no Yuki, 11 minutes and 37 seconds in. End to end, the twelve fights filled one hour and 37 minutes of cage time.
The main card finished at the higher rate: five of seven, against three of the five below it. Keita Nakamura (knockout, round two), Kyung Pyo Kim (submission, round one) and Daichi Akahira (knockout, round one) all closed before the judges were needed.
Six weight classes were used, bantamweight most often with three bouts.