JW Wiersma + Follow

BJJ Dutch Open 2026 NO-GI 2026-07-04

• Lost vs David Thomas (Haven BJJ)
  Master Male (30+ years) / Brown belt / -79,5 & -85,5 kg · Round 2 · submission
• Lost vs Thanh An Vu (Chimp Gym)
  Master Male (30+ years) / Brown belt / -79,5 & -85,5 kg · Round 1 · points

BJJ Dutch Open 2025 2025-12-13

🥈 2nd Master Male (30+ years) / Brown belt / -76 & -82,3 kg

• Lost vs David Raxhon (Karkará GB BJJ Germany)
  Master Male (30+ years) / Brown belt / -76 & -82,3 kg · Round 3 · submission
• Won vs Rob Smits (YouJitsu Honey Badgers)
  Master Male (30+ years) / Brown belt / -76 & -82,3 kg · Round 1 · submission

BJJ Dutch Open NO-GI 2025 2025-06-14

🥈 2nd Master Male (30+ years) / Purple belt / -85,5 kg

• Lost vs Erwin Kreijkes (Team Kaishin HQ)
  Master Male (30+ years) / Purple belt / -85,5 kg · Round 2 · submission
• Won vs Dirk Beuting (Polar Jiu Jitsu Team)
  Master Male (30+ years) / Purple belt / -85,5 kg · Round 1 · submission

Versus Contender 4 2025-05-11

🥈 2nd Super Fights / JW Wiersma × Jonathan Oliveira (-85 kg GI)

• Lost vs Jonathan Oliveira Novaes (Rio Grappling Club Belgium Antwerpen)
  Super Fights / JW Wiersma × Jonathan Oliveira (-85 kg GI) · Round 1 · submission

Kaizen League Amsterdam Gi and No-Gi 2025-03-01

• Lost vs Patrick Van Daalen (Unity99)
  Male Gi / Purple / Master 2 (36+) / -82,3 kg (Middle) · Round 1 · points

BJJ Dutch Open 2024 2024-12-07

🥉 3rd Master Male (30+ years) / Purple belt / -82,3 kg & -88,3 kg

• Won vs Jonathan Oliveira Novaes (Rio Grappling Club Belgium Antwerpen)
  Master Male (30+ years) / Purple belt / -82,3 kg & -88,3 kg · Round 2 · points
• Lost vs Edwin Houben (SUBTERRA Brazilian Jiu-jitsu)
  Master Male (30+ years) / Purple belt / -82,3 kg & -88,3 kg · Round 1 · submission