1975-12-17 Luis Estaba w rsc 10 (15) Takenobu Shimabukuro, Onoyama Gym, Okinawa, Japan - WBC
1975-12-17 Luis Estaba w rsc 10 (15) Takenobu Shimabakuro, Onoyama Gym, Okinawa, Japan - WBC. Referee: Anselmo Escobedo. Floored in the first round, Shimabakuro (108) was always running second best to Estaba (107½), despite bravely taking the fight to the champion. Cut over the left eye in the fifth, and countered with lefts and rights from then on, the referee rescued the challenger in the tenth after he had been put down again. The finish was timed at 1.25.