Complex sentence: His best season was at 6 yrs when he won 11 from 17 starts and in 1934 he defeated the champion Peter Pan III in four successive meetings including the AJC Kings Cup.
Split into simpler sentences: His best season was at 6 yrs when he won 11 from 17 starts. In 1934 he defeated the champion Peter Pan III in four successive meetings including the AJC Kings Cup.