Career
He has been refereeing in the Super League Malaysia since 1995. He has been a full international referee for Fédération internationale de football association since 2000. In 2008, Subkhiddin became an AFC Elite referee.
He is the only referee in Malaysia to be an AFC Elite Referee Subkhiddin booked 5 people and sent off a player He was selected as a referee for the 2007 Fédération internationale de football association Under-20 World Cup in Canada, where he refereed the group stage match between Panama and Argentina, the quarterfinal between Chile and Portugal, where he sent off three players.
In the latter match, he was involved in a bizarre incident where Portuguese player Zéquinha took the red card out of his hand while sending off Mano, to the bemusement of spectators and sports commentators, which in turn led to the prompt sending-off of the player. He blew the whistle as well at the match between Scotland and Costa Rica.
On 31 January 2010, Subkhiddin will be the referee for the qualifying play-off match of the 2010 AFC Champions League qualifying play-off, SHB Đà Nẵng versus Muangthong United at the Chi Lăng Stadium in Da Nang.
He was selected as the 4th official for the 2010.
The Malaysian born referee was the first referee in the country to be selected to represent 2010. Subkhiddin also officiated at the 2011 AFC Asian Cup. Subkhiddin officially retired in August 2011 and currently resides in Parit Buntar.
2002 Tiger Cup Football at the 2004 Summer Olympics 2004 AFC Asian Cup 2005 Fédération internationale de football association U-17 World Championship 2006 Fédération internationale de football association Club World Cup 2007 Fédération internationale de football association U-20 World Cup 2008 AFF Suzuki Cup 2009 Fédération internationale de football association U-20 World Cup 2010 2011 AFC Asian Cup Subkhiddin currently resides at Bandar Baharu, Kedah.
He is a local Teacher teaching at Nibong Tebal. Subkhiddin also likes to play Bowling.