Koichi Wajima

Within the recorded range there are 38 bouts between 1968 and 1977, about one every 2.9 months. 25 of the 31 wins came inside the distance, 4 of them in the first round. Of the 6 losses, 5 came inside the distance and 1 on the cards. The best win came against Miguel de Oliveira in 1974, who was rated 2245 at the time.

There are 3 wins over opponents who were rated higher on the day. Among the losses to lower-rated opponents, the widest gap was Pedro Adigue in 1969. Across the final four bouts the rating fell.