William O’Brien
Also registered as: William OBrien
7 matches · 3 won · 4 lost · 0 with video
ADCC US Open - New Jersey 2025-10-11
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Lost
vs Nicolas Koch
(Adaptation Jiujitsu)
Men / Master (30+) / Advanced / -70,0 kg · Round 3 · decision
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Won
vs Sean Robichaud
(Team Balance)
Men / Master (30+) / Advanced / -70,0 kg · Round 2 · points
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Lost
vs Nicolas Koch
(Adaptation Jiujitsu)
Men / Master (30+) / Advanced / -70,0 kg · Round 1 · points
NAGA Worlds Teens (14-17) & Adults Grappling Championship 2025-04-27
🥈 2nd Men No-Gi / Expert / 150 - 159.9 (Light Weight) / Master (30+) · 🥈 2nd Men Gi / Brown / 150 - 159.9 (Light Weight) / Adult
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Won
vs Anthony Fortuna
(Codella Brazilian Jiu Jitsu)
Men Gi / Brown / 150 - 159.9 (Light Weight) / Adult · Round 3 · points
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Lost
vs Dylan O'Regan
(Jiu Jitsu Modern)
Men Gi / Brown / 150 - 159.9 (Light Weight) / Adult · Round 2 · decision
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Lost
vs Ramiz Abdullaiev
(A & M Jiu-Jitsu)
Men No-Gi / Expert / 150 - 159.9 (Light Weight) / Master (30+) · Round 3 · points
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Won
vs Sean Harris
(BEDROC MMA)
Men No-Gi / Expert / 150 - 159.9 (Light Weight) / Master (30+) · Round 2 · points
Teams
- Up Top Brazilian Jiu-Jitsu 3 events, last 2025-10-11
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