Sebastiaan Tanis Atta
7 matches · 4 won · 3 lost · 0 with video
BJJ Dutch Open 2026 NO-GI 2026-07-04
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Lost
vs Sammy Van Der Nat
(Gracie Jiu-Jitsu Alkmaar)
Adult Male (16+ years) / Blue belt / -85,5 kg · Round 3 · submission
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Lost
vs Thibaut Blijweert
(Rio Grappling Club Belgium Antwerpen)
Adult Male (16+ years) / Blue belt / -85,5 kg · Round 2 · points
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Won
vs Leroy Somefun
(Delta Jiu-Jitsu)
Adult Male (16+ years) / Blue belt / -85,5 kg · Round 1 · points
National MMA League 27 2026-04-25
🥈 2nd Men / Middleweight / Advanced over 5 years of training
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Lost
vs Kelan Rafferty
(Conriocht MMA)
Men / Middleweight / Advanced over 5 years of training · Round 2 · decision_unanimous
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Won
vs Ryan Kelly
(Conriocht MMA)
Men / Middleweight / Advanced over 5 years of training · Round 1 · submission
NMMAL 25 - Championship Belts 2025-10-25
🥇 1st Male Novice MMA / Middleweight / Intermediate 3-5 years of training
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Won
vs Ben Boland
(JF BJJ)
Male Novice MMA / Middleweight / Intermediate 3-5 years of training · Round 1 · submission_armbar
NMMAL 24 - End of Summer Show 2025-08-23
🥇 1st Men / Middleweight / Intermediate 3-5 years of training
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Won
vs Regan Garry
(Pankration mma and kickboxing)
Men / Middleweight / Intermediate 3-5 years of training · Round 1 · submission
Teams
- Gracie Barra / van Buel Sports 1 event, last 2026-07-04
- Fenix Fitness 3 events, last 2026-04-25
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