 Viwatchaichok during the World Cup 2014 third round qualifying match against Oman at Rajamangala Stadium | |||
| Personal information | |||
|---|---|---|---|
| Full name | Rangsan Viwatchaichok | ||
| Date of birth | 22 January 1979 | ||
| Place of birth | Bangkok, Thailand | ||
| Height | 1.78 m (5 ft 10 in) | ||
| Position(s) | Defensive midfielder, left back | ||
| Team information | |||
Current team | Port (manager) | ||
| Youth career | |||
| 1995–1997 | Stock Exchange of Thailand | ||
| Senior career* | |||
| Years | Team | Apps | (Gls) |
| 1999–2001 | BEC Tero Sasana | 45 | (4) |
| 2002 | Krung Thai Bank | 8 | (1) |
| 2003 | Tobacco Monopoly | 12 | (1) |
| 2004 | Krung Thai Bank | 16 | (0) |
| 2004–2006 | Bangkok Bank | 58 | (2) |
| 2006–2007 | Geylang United | 63 | (6) |
| 2008–2011 | Buriram United | 103 | (18) |
| 2012–2016 | BEC Tero Sasana | 112 | (16) |
| 2016–2017 | Suphanburi | 23 | (1) |
| 2022–2023 | Police Tero | 0 | (0) |
| Total | 440 | (49) | |
| International career | |||
| 2004–2012 | Thailand | 29 | (1) |
| Managerial career | |||
| 2015–2016 | BEC Tero Sasana (interim) | ||
| 2018 | Police Tero | ||
| 2018–2023 | Police Tero | ||
| 2023– | Port | ||
| *Club domestic league appearances and goals | |||
Rangsan Viwatchaichok (Thai: รังสรรค์ วิวัฒน์ชัยโชค; RTGS: Rangsan Wiwatchaichok), born January 22, 1979), simply known as Aon (Thai: อ้น; RTGS: On) is a Thai professional football manager and former player who is the manager of Thai League 1 club Port.
He is a Thai retired professional footballer who plays as a defensive midfielder or a left back. He previously played for four other club teams in Thailand and Singapore. Rangsan is known for his set pieces.[1]
Rangsan has currently played 29 times for the senior Thailand national football team, and he has scored one goal in the process.[2]
On 11 July 2013, BEC Tero Sasana sacked René Desaeyere and promoted Choketawee Promrut to be the club interim manager. Rangsan, who was the club captain, was also promoted to be the assistant coach.[3]
On 9 August 2015, Rangsan was promoted to be the interim manager of BEC Tero Sasana after the removal of Kenny Shiels.[4]
He had coached the club for three games before the appointment of Manuel Cajuda on 27 August.
On 1 December 2015, he was promoted to be the interim manager again after the resignation of Manuel Cajuda.[5] Rangsan managed the club in the last three games of 2015 season with the record of 2 wins and 1 loss. The club set to relegate to Division 1 according to the final standing but still remained in top league after the withdraw of Saraburi from the competition.
FOX Sports Asia reported in an article that Rangsan was appointed head coach of Police Tero following the exit of Englishman Scott Cooper in 2018.
Rangsan Viwatchaichok was appointed to replace Surapong Kongthep as the manager of Thai League 1 club Port on 8 November 2023.
| No. | Date | Venue | Opponent | Score | Result | Competition |
|---|---|---|---|---|---|---|
| 1 | 18 July 2009 | Nonthaburi, Thailand |  Pakistan |
2–0 | 4–0 | Friendly |
| Team | From | To | Record | ||||
|---|---|---|---|---|---|---|---|
| P | W | D | L | Win % | |||
| Police Tero | 1 April 2018 | 29 June 2018 | 15 | 8 | 3 | 4 | 53.33 |
| Police Tero | 14 September 2018 | 7 November 2023 | 161 | 65 | 41 | 55 | 40.37 |
| Port | 7 November 2023 | Present | 13 | 8 | 4 | 1 | 61.54 |
| Total | 189 | 81 | 48 | 60 | 42.86 | ||
Individual
