Royal Kobayashi

Within the recorded range there are 43 bouts between 1973 and 1981, about one every 2.5 months. 27 of the 35 wins came inside the distance, 2 of them in the first round. Of the 8 losses, 4 came inside the distance and 4 on the cards. The highest it has been is 2224, in 1975; it stands at 1933 now. The best win came against Zensuke Utagawa in 1975, who was rated 1917 at the time.

The biggest upset conceded was the loss to Eusebio Pedroza in 1979. The rating was sliding across the final four bouts.