Diwadkar's best match bowling figures were 11 for 146 (5 for 74 and 6 for 72), when he helped State Bank of India recover from a first-innings deficit to win the final of the 1966–67 Moin-ud-Dowlah Gold Cup Tournament over Indian Starlets by 16 runs.[1] His best innings figures were 6 for 19, off 20 overs, when Bombay beat Saurashtra by an innings in the 1965-66 Ranji Trophy.[2] He made his highest score of 177 in the Ranji Trophy final of 1963-64, when Bombay defeated Rajasthan.[3]