Ronald Mastrana Siahaan

Record 9-3-0Jue Cheng KingMMA

Ronald Mastrana Siahaan has no upcoming fight scheduled. Their most recent bout was against Kaster Sarkytbek at Jue Cheng King - JCK Fight Night 122 on August 22, 2026.

Ronald Mastrana Siahaan age, height, weight, reach and record
Record	9-3-0

Past bouts1

Sat 22 Aug· Jue Cheng King· Featherweight
vs Kaster Sarkytbek
Jue Cheng King - JCK Fight Night 122