Career
Padt previously played on loan from AFC Ajax for HFC Haarlem in the Eerste Divisie, and later for Go Ahead Eagles and in the Belgian Pro League for Associate of Arts Gent. He represented the Netherlands U-17 team at the 2007 Union of European Football Associations European Under-17 Football Championship. AFC Ajax
Prior to joining Ajax, Padt played for R.K.S.V. Pancratius and SV Hoofddorp.
On 28 March 2008, he signed his first contract for Ajax, whereupon Ajax technical director Martin van Geel stated "The strength of Sergio is that he is a complete player.
He is tall, can join in playing the ball, is good in one-on-one situations and has everything that I expect as an Ajax-goalkeeper."
HFC Haarlem
In early 2010, Padt was sent out on loan to Eerste Divisie side HFC Haarlem to gain more experience. He made his debut on 22 January 2010 in a 0–3 away loss to SBV Excelsior.
lieutenant would turn out to be his only match for Haarlem because the club soon afterward went into bankruptcy, meaning he had to return to Ajax for the remainder of the 2009-2010 season. Go Ahead Eagles
Foreign the 2010-2011 season, Padt signed a new contract with Ajax and was again sent out on loan, this time to Go Ahead Eagles.
On 16 August 2010, he made his Eerste Divisie debut for the club in the first league match against Sparta Rotterdam.
Padt became the first keeper at his start in Deventer. He was remarkable with some important saves and became a favourite team player of the fans. KAA Gent
On 30 June 2011 Padt came to an agreement with Associate of Arts Gent.
On the 6.
July, the transfer was finished. He signed his contract until 2013 on that day. On 27 November 2011 he made his official debut in the Belgian pro league for Ghent in the 2–0 victory against Remote Control Genk.
Football Club Groningen
On 22 June 2014, it was announced that Padt would sign a deal with Football Club Groningen, replacing Marco Bizot who was sold to Racing Genk.
Padt represented the Netherlands U-17 team at the 2007 Union of European Football Associations European Under-17 Football Championship. Padt was in the starting line-up for all three group games against Belgium, Iceland, and England, but the team failed to qualify for the second round.
Since 2009, Padt has been playing for the Netherlands U-21 team, although Tim Krul is first-choice keeper in the squad for now. He received his first call-up from manager Cor Pot for a 2011 European U-21 Championship qualification match against Finland.
On 18 May 2010, Padt made his debut for the U-21 side in a match against Portugal.
