JCK Fight Night 122
Completed
Kaster Sarkytbek vs. R. Siahaan
MMA
August 22, 2026 at 11:00 AM UTC
🇨🇳 JCK International Fight Center, Luliang, CNWhere to Watch
Fight Card
Featherweight (150 lbs)|3R
VS
🇰🇿Kaster Sarkytbek
8-2 / 5'8" (172cm)
Reach 70.1" (178cm) / 2 Wins
VS
OPMMA LW (2 def.)
🇮🇩R. Siahaan
9-2 / 5'8" (173cm)
Reach 68.9" (175cm) / 8 Wins / Wushu Sanda
DebutFinish Stats
63%
KO
22%
13%
SUB
56%
75%
FIN
78%
* Includes both professional and amateur records
Win Methods
KOSUB
Kaster Sarkytbek
Punches & Elbows From Back Mount
2
Punches From Full Mount
2
Punches From Back Mount
1
Rear Naked Choke
1
R. Siahaan
Rear Naked Choke
4
Ground & Pound
1
Head Kick & Body Kick
1
Guillotine Choke
1
* Includes both professional and amateur records
Recent Fights
Kaster Sarkytbek
R. Siahaan
* Includes both professional and amateur records
Kaster Sarkytbek
Kaster Sarkytbek is a professional mixed martial artist from Kazakhstan who competes in the featherweight division. Standing 5'8" with a 70.1" reach, he currently holds a record of 8 wins and 2 losses. Competing frequently in the JCK organization, Sarkytbek is known for his effective grappling and ground strikes. He is on a two-fight win streak, most recently defeating Wuleiyifu in May 2026 and Zikiryo Kholmurodzoda in January 2026, both via first-round technical knockouts.
R. Siahaan
Ronal Siahaan is an Indonesian featherweight mixed martial artist with a professional record of 9-2-0. Competing primarily in One Pride MMA, he utilizes a foundation in Wushu Sanda to implement a versatile and dangerous grappling game. He is currently on an impressive eight-fight winning streak. His most recent victories include a submission win over Windri Patilima via rear naked choke in April 2026, a decision win over Alan Darmawan, and a submission of Sukma Prawira Aditya.