Career
He started playing football in Shin-gal High School. He is often known as one of the brightest prospects displaying attacking style in the national team He was considered to be the newer generation of Korean football players that will make up the national team squad in the future until his form started to fall.
Football Club Seoul = 2008 Lee joined Football Club Seoul in 2008 with being drafted from the team
He played as a Striker and Attacking Midfielder for Football Club Seoul. He appeared in the K League and the Hauzen Cup for 31 games and scored 5 goals in his first year as a professional player.
= 2009 Lee scored in the opening match of the 2009 K-League season against Chunnam Dragons. The game ended 6–1 for Football Club Seoul.
He made 22 appearances and 5 goals in 2009 K-League.
= 2010 In the 2010 league campaign, Lee had best record in his Football Club Seoul era. He scored 7 goals in 25 appearances and also steadily recalled to the national team Gamba Osaka On 1 February 2012, Lee left Seoul for Japanese J. League Division 1 outfit Gamba Osaka.
His international career began when he played for the U-18 South of Korea football team
He has been named in the preliminary squad for the Beijing Olympic Games. After U20 World Cup, he was selected by Hong Myung-bo that head coach of South of Korea U-23.
On 9 January 2010, Lee made his first international cap for South of Korea at the friendly match against Zambia. He scored his first goal against Hong Kong on 7 February 2010.
Lee was benched for the next 3 matches.
Huh decided to use the more experienced Lee Dong-gook and Yeom Ki-hun instead of young Lee Seung-yeoul. Korean public has expressed that the only reason he didn"t get enough playing time at the World Cup, was because Lee was inexperienced, despite showing good form and having scored 3 international goals in the run up to the World Cup. Seung Ryul has expressed his desire to train hard for the upcoming 2010 Asian Games and hopes to break into Europe.
He has also expressed that the World Cup was a valuable experience and learned a lot from training with Park Ji-sung.
International goals Football Club Seoul K League Classic (1): 2010 League Cup (1): 2010 Ulsan Hyundai AFC Champions League (1): 2012 Individual.