Muhammad Zulqarnaen bin Suzliman (born 29 March 1998), also known as Mamat, is a Singaporean professional footballer who plays as a full-back for Singapore Premier League club Albirex Niigata (S), on loan from Lion City Sailors, and the Singapore national team.
He is the younger brother of Zulfahdmi Suzliman who plays mainly as winger and striker for Singapore Premier League club Tanjong Pagar United.
Zulqarnaen made his professional debut for Young Lions in a 2âÂÂ0 league match lost to Geylang International on 25 February 2016. He scored his first career goal on 27 February 2017 against Home United.
On 17 January 2020, Zulqarnaen signed for newly privatised club, Lion City Sailors. He make his debut on 6 March 2020 in a league match against Tanjong Pagar United.
In April 2021, Zulqarnaen was loaned to his former club, Young Lions following his National Service commitments. He made a total of 16 appearances for the club.
On 11 June 2022, Zulqarnaen returned to his parent club, Lion City Sailors from Young Lions after completing his national service.
On 26 July 2023, in a friendly match against Tottenham Hotspurs at the Singapore National Stadium, Zulqarnaen was tasked to marked against Son Heung-min who was considered as one of the best players in the world and widely regarded as one of the greatest Asian footballers of all time in which he managed to close down and prevented Son for scoring or dribbling past him for the first half of the match. Zulqarnaen went on to gain worldwide media attention for his excellent defensive work rate against Tottenham. On 9 December 2023, he won the 2023 Singapore Cup after a 3âÂÂ1 win against defending champion, Hougang United.
On 15 December 2023, Lion City Sailors announce that Zulqaernaen has signed a contract extension with the club,
On 5 January 2026, Zulqarnaen joined Albirex Niigata (S) on loan for the remainder of the 2025âÂÂ26 season.
Zulqarnaen made his professional debut for the Singapore national football team in a friendly 2âÂÂ0 win over Fiji on 19 September 2018.
Zulqarnaen made his AFF Championship debut in the 2018 campaign on 9 November, with a 1âÂÂ0 win over Indonesia.
On 21 November, Zulqarnaen started and played 90 minutes in Singapore's 6âÂÂ1 win over Timor Leste in the 2018 AFF Suzuki Cup.
Zulqaernaen's brothers, Zulkifli, Zulfadhli, Zulfadhmi, are all footballers in Singapore. He served his compulsory National Service from 2020 to 2022.
Zulqarnaen studied at ITE College West from 2016 to 2017.
He was called up to the National U16 team for the 2014 Asian Football Confederation (AFC) Under-16 Championship qualifiers.
Lion City Sailors
Singapore U22
He was selected as part of the Singapore Selection squad for The Sultan of SelangorâÂÂs Cup to be held on 24 August 2019.