Here is a list of Thaiyen's best fights. For a list of Thaiyen's losses, refer to "Sirichai Thaiyen Losses".
On March 8, 2022 Sirichai Thaiyen faced off against Wittawas Basapean in a super-flyweight bout at age 31. He was coming in with a record of 62-4 (41), and Basapean was 37 years old and with a record of 36-16-1 (12). Thaiyen won the fight via 10-round unanimous decision.
On September 7, 2022 Sirichai Thaiyen faced off against Wittawas Basapean in a super-flyweight bout at age 31. He was coming in with a record of 64-4 (42), and Basapean was 37 years old and with a record of 38-17-1 (14). Thaiyen won the fight via 10-round unanimous decision.
On January 25, 2013 Sirichai Thaiyen faced off against Crison Omayao in a light-flyweight bout at age 22. He was coming in with a record of 27-2 (17), and Omayao was 20 years old and with a record of 16-5-1 (4). Thaiyen stopped Crison Omayao via KO.
On November 29, 2013 Sirichai Thaiyen fought Koki Eto in a flyweight world-title fight for Eto's WBA title. Thaiyen was 22 years old and with a record of 33-2 (20). Thaiyen stopped Koki Eto via 12th-round TKO and is crowned the new flyweight world champion.
