[1] In 1957, a year before his admission to Jagannath College, Pintoo came to Dhaka to attend trials for the secondary team of East End Club, which participated in the Second Division.

That same year, he also contributed to the club's journey to the quarter-finals of the Aga Khan Gold Cup, where Wanderers defeated Pakistan Airlines 3–2 in a third-round replay.

On 7 July 1966, he played a key role in the final of the Mohammad Ali Bogra Shield, leading his team to victory over Dhaka Wanderers in Rawalpindi.

Under his leadership, the Black and Whites won the tenth Aga Khan Gold Cup in Dhaka in 1969, where Pintoo led the team to a commanding 5–1 victory over the Ceylon.

[8] On 11 May 1972, Pintoo led Mohammedan in an exhibition match against Mohun Bagan AC, the first foreign football club to visit independent Bangladesh, which ended in a narrow 0–1 defeat.

During the tournament, Pakistan faced the Soviet club Spartak Moscow and the Turkish team Mersin Talim Yurdu, alongside the national sides of Iraq and Iran.

Pintoo was one of four East Pakistani players included in the team, alongside him were Shahidur Rahman Shantoo, Hafizuddin Ahmed, and Golam Sarwar Tipu.

[2][12] The following year, Pintoo participated in the 1970 RCD Cup held in Iran, alongside East Pakistani players Golam Sarwar Tipu, Hafizuddin Ahmed and Khandoker Mohammad Nurunnabi.

[13] In 1971, Pintoo was initially preparing to fight on the frontlines during the Bangladesh Liberation War, having completed his arms and ammunition training at the Balughat camp in West Bengal.

However, his close friend Abdul Jalil and his wife urged him to join the Shadhin Bangla football team formed to aid the war of independence.

[14] Pintoo was eventually appointed captain of the Shadhin Bangla football team, with his Mohammedan teammate Pratap Shankar Hazra serving as vice-captain.

The highly anticipated game held at the Dhaka Stadium, which ended in a 0–2 defeat for Pintoo's team, was attended by Bangladesh's President Sheikh Mujibur Rahman.

[17] On 13 May 1972, Pintoo captained Dhaka XI, the unofficial Bangladesh national team, in an exhibition match against the touring Indian club Mohun Bagan AC, led by Chuni Goswami.

[9] He also captained Dhaka XI to a runner-up finish in the Bordoloi Trophy in Guwahati, India, losing the final replay 5–0 to East Bengal Club.

[21] On 20 July 1979, Pintoo served as the head coach of the national team during a 1–0 defeat to South Korea B in a friendly match played in Dhaka.