Medgoen Singsurat vs. Manny Pacquiao
1999-09-17 : Manny Pacquiao 113 lbs lost to Medgoen Singsurat 112 lbs by TKO at 1:32 in round 3 of 12
- Location: Pakpanag Metropolian Stadium, Nakhon Si Thammarat, Thailand
- Referee: Jose Guadalupe Garcia
- Judge: Ray Solis 18-20
- Judge: Walter Schall 18-20
- Judge: Dae-Eun Chung 18-20
- Pacquiao fails to make weight and lost his WBC Flyweight title at the weigh-in.