On September 17, 1999, 21-year-old Boonsai Sangsurat (18-0, 11 KOs) and 20-year-old Manny Pacquiao (26-1, 17 KOs) fought for the vacant WBC flyweight title.
Sangsurat came in to the fight on a 18-fight win streak with a 61% KO rate, and was fighting after a gap of 3 months and 27 days. Pacquiao was on a 15-fight win streak with a 63% KO rate, and fighting after a layoff of 4 months and 24 days.
Boonsai Sangsurat made easy work of Manny Pacquiao, stopping Pacquiao via TKO in the 3rd. Sangsurat improves his record to 19-0 (12 KOs), while Pacquiao adds a loss to his record at 26-2.
On October 24, 2003, a 25-year-old Boonsai Sangsurat (32-2, 20 KOs) and Rodel Orais met in the ring for the 2nd time, in a super-flyweight bout.
Sangsurat came in to the fight on a 9-fight win streak with a 58% KO rate, and was fighting after a gap of 2 months and 15 days.
In the rematch, Boonsai Sangsurat stopped Rodel Orais via TKO in the 5th round. Sangsurat improves his record to 33-2 (21 KOs)
On February 25, 2000, the 21-year-old WBC flyweight world champion, Boonsai Sangsurat (19-0, 12 KOs), faced Masaki Kawabata, in a title defense fight.
Sangsurat came in to the fight on a 19-fight win streak with a 63% KO rate, and was fighting after a gap of 5 months and 8 days.
Boonsai Sangsurat defeated Masaki Kawabata via unanimous decision and successfully defended his WBC flyweight title. Sangsurat improves his record to 20-0
On April 29, 2011, a 32-year-old Boonsai Sangsurat (72-6, 49 KOs) and Pichit Twins Gym met in the ring for the 2nd time,.
Sangsurat came in to the fight on a 9-fight win streak with a 62% KO rate, and was fighting after a gap of 2 months and 4 days.
In the rematch, Boonsai Sangsurat stopped Pichit Twins Gym via TKO in the 2nd round. Sangsurat improves his record to 73-6 (50 KOs)
On September 26, 1997, a 19-year-old Boonsai Sangsurat (6-0, 3 KOs) and Rodolfo Guilos met in the ring for the 2nd time,.
Sangsurat came in to the fight on a 6-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 25 days.
In the rematch, Boonsai Sangsurat stopped Rodolfo Guilos via KO in the 3rd round. Sangsurat improves his record to 7-0 (4 KOs)
On July 5, 2002, a 24-year-old Boonsai Sangsurat (25-2, 15 KOs) and Rolly Mandahinog met in the ring for the 2nd time,.
Sangsurat came in to the fight on a 2-fight win streak with a 55% KO rate, and was fighting after a gap of 2 months and 16 days.
In the rematch, Boonsai Sangsurat stopped Rolly Mandahinog via TKO in the 4th round. Sangsurat improves his record to 26-2 (16 KOs)
On July 29, 2005, a 27-year-old Boonsai Sangsurat (41-3, 28 KOs) and Rodel Orais met in the ring for the 3rd time, in a super-flyweight bout.
Sangsurat came in to the fight on a 8-fight win streak with a 63% KO rate, and was fighting after a gap of 2 months and 2 days.
In the rematch, Boonsai Sangsurat stopped Rodel Orais via TKO in the 3rd round. Sangsurat improves his record to 42-3 (29 KOs)
On September 24, 2004, a 26-year-old Boonsai Sangsurat (36-3, 23 KOs) and Jojo Rodrigo met in the ring in a super-flyweight bout.
Sangsurat came in to the fight on a 3-fight win streak with a 59% KO rate, and was fighting after a gap of 2 months and 9 days.
Boonsai Sangsurat stopped Jojo Rodrigo via KO in the 3rd round. Sangsurat improves his record to 37-3 (24 KOs)
On March 26, 2004, a 25-year-old Boonsai Sangsurat (33-3, 21 KOs) and Edmund Nonong Develleres met in the ring in a super-flyweight bout.
Sangsurat came in to the fight on a 1-fight losing streak with a 58% KO rate, and was fighting after a gap of 2 months and 23 days.
Boonsai Sangsurat stopped Edmund Nonong Develleres via TKO in the 4th round. Sangsurat improves his record to 34-3 (22 KOs)
On August 9, 2003, a 25-year-old Boonsai Sangsurat (31-2, 19 KOs) and Rodel Orais met in the ring in a super-flyweight bout.
Sangsurat came in to the fight on a 8-fight win streak with a 57% KO rate, and was fighting after a gap of 3 months and 4 days.
Boonsai Sangsurat stopped Rodel Orais via TKO in the 3rd round. Sangsurat improves his record to 32-2 (20 KOs)