Career
Early career
Suwannawat first turned professional in the 2006/2007 season by winning the 2006 ACBS Asian Under-21 Snooker Championship. He dropped off the main tour after just one season. Suwannawat reached the final of the 2007 IBSF World Snooker Championship, losing to compatriot Atthasit Mahitthi.
2011/2012
He returned to the main tour in the 2011/2012 season after winning the 2011 ACBS Asian Snooker Championship.
Suwannawat played in 11 of the 12 PTC events throughout the season, with his best finish coming in Event 4 where he beat former world champions Mark Williams and Ken Doherty to reach the quarter-finals before losing to Neil Robertson. However, his results were good enough to earn him a place on the main tour for the 2012/2013 season.
Suwannawat finished the season ranked number 74 in the world. 2012/2013
Suwannawat began the season in the Wuxi Classic Qualifiers.
He defeated Michael Wasley and Ben Woollaston, but then lost to Joe Perry in the final qualifying round.
After this Suwannawat lost 17 matches in a row and had to wait until February in qualifying for the Welsh Open where he beat Jamie Jones 4–1, before losing to Marco Fu by the same scoreline. Suwannawat"s season ended when he was beaten 6–10 by Zhang Anda in the first round of World Championship Qualifying. He dropped 18 places during the campaign to finish it ranked world number 92.
2013/2014
Suwannawat did not enter qualifying for the first two ranking events of the season and after he lost 5–4 in the Shanghai Masters qualifiers to Mohamed Khairy, it was announced by World Snooker that the match was being investigated due to unusual betting patterns.
In January 2014, World Snooker stated that its investigation had been completed and the player had no case to answer. Suwannawat only participated in three more events after this, losing his first round match in all of them to be relegated from the tour.
