is a Japanese professional football manager and former player, who is the manager of club,

Hokkaido Consadole Sapporo is a Japanese professional football club based in Sapporo, on the island of Hokkaido. They will play in the 2025 J2 League, the second tier league of Japanese football, after relegation from the J1 League at conclusion of the 2024 season. Th ...

. He also played for the Japan national team until 2011 and prejudice against Thai footballers.

Club career

Iwamasa was born in Suo-Oshima, Yamaguchi on 30 January 1982. He was educated at and played for Iwakuni High School and

Tokyo Gakugei University Tokyo Gakugei University (東京学芸大学, ''Tōkyō gakugei daigaku'') is a Japanese national university, national university in Koganei, Tokyo. Founded in 1873, it was chartered as a university in 1949. It is also known as ''Gakudai'' (学� ...

before turning professional.

Kashima Antlers

Iwamasa started his professional career at

Kashima Antlers The are a professional association football, football club based in Kashima, Ibaraki, Japan. They currently play in the J1 League, the top tier of Japanese professional football leagues. The club has financial backing from Mercari, a Japanese ...

where he later became one of the club's longest serving players. He became a regular player at center back from late first season. The club won the title in

J1 League The , the J.League or the for sponsorship reasons, is a professional association football league in Japan and the highest level of the Japanese football league system. Contested by 20 clubs, it operates on a system of promotion and relegation ...

for three consecutive seasons (

2007 2007 was designated as the International Heliophysical Year and the International Polar Year. Events January * January 1 **Bulgaria and Romania 2007 enlargement of the European Union, join the European Union, while Slovenia joins the Eur ...

–

2009 2009 was designated as the International Year of Astronomy by the United Nations to coincide with the 400th anniversary of Galileo Galilei's first known astronomical studies with a telescope and the publication of Astronomia Nova by Joha ...

) which is the first time in J1 League history. He was also elected in the J.League Best XI for three consecutive years. The club also won

2010 Emperor's Cup The began on 4 September 2010 and ended on 1 January 2011 with the final at National Stadium (Tokyo), National Stadium in Tokyo, Japan. Gamba Osaka were the two-time defending champions, having won two previous tournaments. Kashima Antlers won t ...

2011 The year marked the start of a Arab Spring, series of protests and revolutions throughout the Arab world advocating for democracy, reform, and economic recovery, later leading to the depositions of world leaders in Tunisia, Egypt, and Yemen ...

and 2012 J.League Cup however his opportunity to play decreased in 2013 and he left the club end of 2013 season.

BEC Tero Sasana

In 2014, Iwamasa moved to Thailand to join

BEC Tero Sasana Police Tero Football Club (), formerly known as BEC-Tero Sasana, is a Thai professional football club based in Lak Si, Bangkok. The club finished runners-up in the inaugural AFC Champions League competition in 2003. BEC-Tero Sasana Football Club ...

which he helped the club to win the

2014 Thai League Cup The Thai League Cup is a knock-out football tournament played in Thai sport. Some games are played as a single match, others are played as two-legged contests. The 2014 Thai League Cup kicked off on 1 February 2014 with the Bangkok & field reg ...

where he scored a goal in the final that ended in a 2–0 victory.

Fagiano Okayama

In 2015, Iwamasa returned to Japan and joined

J2 League The or simply J2 is the second division of the and the second level of the Japanese association football league system. The top tier is represented by the J1 League. It (along with the rest of the J.League) is currently sponsored by Meiji Yasud ...

side,

Fagiano Okayama is a Japanese football club based in Okayama, the capital of Okayama Prefecture. The club plays in the J1 League, which is the top tier of football in the country. Name origin ''Fagiano'' in Italian means "pheasant", and it is a reference t ...

ahead of the 2015 season.

Tokyo United

In 2017, Iwamasa moved to sixth tier Regional Leagues side, Tokyo United. He retired at the end of the 2018 season.

International career

Iwamasa was the captain of the Japan team that won the 2003 Summer Universiade held in

Daegu Daegu (; ), formerly spelled Taegu and officially Daegu Metropolitan City (), is a city in southeastern South Korea. It is the third-largest urban agglomeration in South Korea after Seoul and Busan; the fourth-largest List of provincial-level ci ...

, South Korea, where he scored a goal in the final of the tournament. He received the first call-up for Japan national team in 2008 by newly appointed coach Takeshi Okada. On 10 October 2009, he made his international debut in a friendly match against

Scotland Scotland is a Countries of the United Kingdom, country that is part of the United Kingdom. It contains nearly one-third of the United Kingdom's land area, consisting of the northern part of the island of Great Britain and more than 790 adjac ...

. He was also one of the final 23 Japan national football players participating in

2010 FIFA World Cup The 2010 FIFA World Cup was the 19th FIFA World Cup, the world championship for List of men's national association football teams, men's national Association football, football teams. It took place in South Africa from 11 June to 11 July 2010. ...

in South Africa although did not play any minute during the tournament. After the 2010 FIFA World Cup, in January 2011, he was selected Japan for

2011 AFC Asian Cup The 2011 AFC Asian Cup was the 15th edition of the men's AFC Asian Cup, a quadrennial international football tournament organised by the Asian Football Confederation (AFC). The finals were held in Qatar from 7 to 29 January 2011. It was the secon ...

by new manager

Alberto Zaccheroni Alberto Zaccheroni (; born 1 April 1953) is an Italian former association football, football manager, formerly in charge of the United Arab Emirates national football team, United Arab Emirates and Japan national football team, Japan national fo ...

. At the 2011 AFC Asian Cup, he played in four matches and Japan was the eventual champions. He played eight games for Japan until 2011.Japan National Football Team Database
/ref>

Managerial career

Jobu University

After retiring as a player in 2018, in 2021 he became manager of

Jobu University is a private university in Isesaki, Gunma, Japan, established in 1968. The predecessor of the school was founded in 1950. The university has a secondary campus in the city of Takasaki, Gunma. History * 1968: Jobu University was established (wit ...

's football team.

Kashima Antlers

For the 2022 season, Iwamasa became the assistant manager of

and took charge of a number of games whilst new manager René Weiler awaited entry to the country due to COVID-19 quarantine restrictions. In August 2022, it was announced that Iwamasa would be promoted to manager of Kashima Antlers following the departure of Weiler. The first game in the charge was 2-0 home win by

against Avispa Fukuoka in 14 August 2022. But the in the nine games after. only one win against Vissel Kobe in

Emperor's Cup , commonly known as or Japan FA Cup, and rebranded as The JFA Emperor's Cup from 2024 onwards, is a Japanese annual football competition. It has the longest tradition of any football tournament in Japan, dating back to 1921, before the formatio ...

, the team was knocked out by second tier team

Ventforet Kofu is a Japanese professional football club from Kōfu in Yamanashi Prefecture. The team currently competes in the J2 League, Japanese second tier of professional football, hosting their home matches in the JIT Recycle Ink Stadium, located in Kōf ...

after defeat by 1-0. Ending the season in fourth place, three points behind of the

AFC Champions League The AFC Champions League Elite (abbreviated as the ACL Elite) is an annual continental club association football, football competition organised by the Asian Football Confederation, and contested by Asia's List of top-division football clubs i ...

slots occupied by

Sanfrecce Hiroshima Sanfrecce Hiroshima () is a Japanese professional association football, football club based in Hiroshima. The club competes in the J1 League, top flight of the Japanese football league system. Sanfrecce is one of the most successful clubs in Ja ...

. The 2023 Season starts with an away victory over

Kyoto Sanga is a Japanese professional football club based in Kyoto Kyoto ( or ; Japanese language, Japanese: , ''Kyōto'' ), officially , is the capital city of Kyoto Prefecture in the Kansai region of Japan's largest and most populous island of Ho ...

by 0-2. The first match at home was a defeat against current runners-up

Kawasaki Frontale is a Japanese professional football club based in Kawasaki, Kanagawa Prefecture, south of Tokyo. The club currently compete in the J1 League, which is the top tier of football in the country. Their home stadium is Kawasaki Todoroki Stadium i ...

by 1-2. Following this, the team collected mixed results in the Emperor's Cup. They were knocked out by the defending champions, Ventforet Kofu for a consecutive season after a 1-1 draw, the team lost 10-11 in the penalty shootout. Following the end of the campaign, Antlers won the last match of the competition against the relegated team

Yokohama FC is a Japanese professional football club based in Yokohama, Kanagawa Prefecture, part of the Greater Tokyo Area. The club was formed by fans of Yokohama Flügels as a protest against Flügels' merger with Yokohama Marinos in 1999, becoming th ...

.), ending the aspirations for qualification to AFC Tournaments after a 3-1 defeat to Vissel Kobe. On 5 December 2023 the board announced the Iwamasa's contract was not renewed for the 2024 season.

Hà Nội

On 11 January 2024, Iwamasa was named as the manager of

V.League 1 The V.League 1 (), also called LPBank V.League 1 for sponsorship reasons, is the top professional football league in Vietnam, controlled by the Vietnam Professional Football Joint Stock Company (VPF). It is contested by 14 clubs who play each ...

club

Hà Nội Hanoi ( ; ; ) is the Capital city, capital and List of cities in Vietnam, second-most populous city of Vietnam. The name "Hanoi" translates to "inside the river" (Hanoi is bordered by the Red River (Asia), Red and Black River (Asia), Black Riv ...

. He lost his first

match, 2–0 at away to Dong A Thanh Hoa on 18 February. He resigned his role as head coach on 8 July.

Hokkaido Consadole Sapporo

On 12 December 2024, Iwamasa was announce official appointment manager of J2 relegated club,

from 2025 season.

Career statistics

Club

International

Managerial record

Honours

Club

Kashima Antlers *

2008 2008 was designated as: *International Year of Languages *International Year of Planet Earth *International Year of the Potato *International Year of Sanitation The Great Recession, a worldwide recession which began in 2007, continued throu ...

2010 The year saw a multitude of natural and environmental disasters such as the 2010 Haiti earthquake, the Deepwater Horizon oil spill, and the 2010 Chile earthquake. The 2009 swine flu pandemic, swine flu pandemic which began the previous year ...

* J.League Cup:

2012 2012 was designated as: *International Year of Cooperatives *International Year of Sustainable Energy for All Events January *January 4 – The Cicada 3301 internet hunt begins. * January 12 – Peaceful protests begin in the R ...

Japanese Super Cup The , the for sponsorship reasons, is an annual one-match association football competition in Japan organised by J.League and the Japan Football Association. This competition serves as the season opener and is played between the reigning J1 Leag ...

BEC Tero Sasana *

Thai League Cup The League Cup () is a association football, football cup competition in Thailand. It is also known as Hilux Revo Cup for sponsorship reasons. History Thai League Cup was started by Toyota Motor Corporation, Toyota Motor (Thailand) in the name of ...

2014 The year 2014 was marked by the surge of the Western African Ebola epidemic, West African Ebola epidemic, which began in 2013, becoming the List of Ebola outbreaks, most widespread outbreak of the Ebola, Ebola virus in human history, resul ...

International

Japan *

AFC Asian Cup The AFC Asian Cup is the primary association football competition contested by the senior men's national teams of the members of the Asian Football Confederation (AFC), determining the continental champion of Asia. It is the second-oldest c ...

Individual

* J.League Best XI:

References

External links

* * *
Japan National Football Team Database
* {{DEFAULTSORT:Iwamasa, Daiki 1982 births Living people Tokyo Gakugei University alumni Association football people from Yamaguchi Prefecture Japanese men's footballers Men's association football defenders Japan men's international footballers FISU World University Games gold medalists for Japan Summer World University Games medalists in football 2010 FIFA World Cup players 2011 AFC Asian Cup players J1 League players J2 League players Daiki Iwamasa Kashima Antlers players Daiki Iwamasa Fagiano Okayama players Japanese expatriate men's footballers Japanese expatriate sportspeople in Thailand Expatriate men's footballers in Thailand J1 League managers Kashima Antlers managers J2 League managers Hokkaido Consadole Sapporo managers Tokyo United FC players Japanese football managers Expatriate football managers in Vietnam Japanese expatriate sportspeople in Vietnam Japanese expatriate football managers