Iriawan, popularly known as Iwan Bule, gained 82 out of the 85 votes cast in the PSSI chief election.
Three voters abstained, with one of them from the football club Persis Solo walking out.
Tens of supporters rallied outside the hotel when the PSSI extraordinary congress was ongoing.
"We only demand to get rid of old people from PSSI," Ivan Nuraziz, coordinator of the rally, stated.
Tens of police officers were deployed in front of the BNI building to prevent the demonstrators from gaining access to the meeting room.
Dissatisfied with the result of the congress, the demonstrators vociferously echoed slogans and unfurled a banner "PSSI Revolution."
President Joko Widodo (Jokowi) has made assurance that the government will not intervene in the PSSI congress to be held on Saturday, November 2.
"Once again, the government cannot meddle in anything related to the PSSI extraordinary congress that will elect its chief," he stated during a weekly discussion with journalists at the Merdeka Palace in Jakarta Friday.
The president admitted to paying special attention to the development of Indonesian football.
“When I introduced the newly inducted youth and sports minister, I reminded him of football, and football," he stated.
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