Hassan Sunny

Geylang United

In 2003, Sunny joined Geylang United from the National Football Academy. He was nominated for S-League Young Player of the Year.

Young Lions

In 2004, Sunny joined the newly-formed Young Lions Football Club. Sunny joined alongside Baihakki Khaizan, Shahril Ishak and Khairul Amri, a group known as the "NFA Gang of Four" for playing together since their early teens.

Geylang United

After completing the National Service in Singapore, Sunny returned to Geylang United in 2006.

Tampines Rovers

In January 2008, Sunny joined Tampines Rovers, rivals of Geylang United. He made his debut on 1 March in a 1–1 draw against Balestier Khalsa. In March 2011, he marked his 100th appearance for the club, the same year in which Tampines Rovers secured both the S.League and the Singapore Community Shield titles.

Singapore Armed Forces (Warriors)

In December 2011, Sunny joined the Singapore Armed Forces FC. Sunny later played in the AFC Cup against Indonesian the club Semen Padang in a 3–1 defeat on 5 March 2013. He registered his first clean sheet in the competition in a 1–0 victory over Indian club Churchill Brothers on 10 April 2013. He participated in the 2014 S.League season when the Warriors FC won the league title. He went on to became the first goalkeeper to win the S.League 'Player of the Year' award in 2014.

Army United

Sunny joined Army United for the 2015 Thai Premier League season, making his debut in a 1–0 win…

Youth

Hassan kept goal for the Singapore U23 team that participated in the 2003 SEA Games in Vietnam. Hassan's first appearance for Singapore came in August 2003 during a friendly match against the Japanese U23. Hassan was part of the Singapore U23 squad at the 2007 SEA Games, which won the team a bronze medal.

Senior

Hassan had to wait until 18 February 2004 for his first cap for the Singapore national team, which came against India in a 2006 FIFA World Cup qualifiers. In January 2010, Hassan was selected to participate in the 2010 King's Cup, where he played in all three matches against Thailand, Denmark and Poland. On 9 August 2014, Hassan captained Singapore on the country's independence day in a goalless draw against Hong Kong. On 14 October, he captained Singapore to a 2–2 draw against Macau. On 13 June 2016, Hassan was chosen as the starting goalkeeper against two-time FIFA World Cup winners Argentina in a friendly match where he conceded two goals before being subbed out for Izwan Mahbud in the 50th minute. Hassan won his 75th cap for the Lions in early September 2018 against Mauritius. On 18 August 2024, Hassan retired from international football after 115 caps over 20 years.

Media headlines in Indonesia and Singapore for his performances

Hassan was selected for the 2020 AFF Championship that took place in December 2021, featuring in all of Singapore's games and making 20 saves throughout the entire tournament. On 25 December 2021,…

Club

As of match played on 16 June 2024

Young Lions are ineligible for qualification to AFC competitions in their respective leagues.

According to an interview, Hassan started playing football competitively when he was 11, captaining his school, May Primary School. He later went on to represent the Braddell Secondary School football team. Hassan started playing football as a midfielder, only switching to playing as a goalkeeper due to an asthma attack he suffered when he was 12. He also quipped that his happiest football memory was that, back in 1999, he scored the winning goal from the halfway line in a game that ended 2–1. Hassan has stated that his favorite goalkeepers are Manuel Neuer and Joe Hart. Hassan owns two Nasi Padang stalls. He opened a stall in October 2021. On 22 August 2023, he opened his second stall. In July 2024, he donated $10,000 to the Muhammadiyah Welfare Home, a children’s shelter in Singapore, helping fund its 2024 CharityFest.According to interviews with China News Agency, Hassan revealed that he is of at least one-eighth Chinese ethnicity, "My father's grandpa... my great-grandpa is Chinese." In February 2025, he launched his own minimalist apparel line, Has & Co., debuting at the FOMO Weekend Market.