Jonáš Mareček + Follow

GRIND 14 Kids 2026-09-05

🥈 2nd No-Gi / 7-9 years / Mixed (4 - 9 years) / -28 kg / Mixed (4 - 9 years)

• Lost vs Sebastian Schulz (SLON GYM PRAHA)
  No-Gi / 7-9 years / Mixed (4 - 9 years) / -28 kg / Mixed (4 - 9 years) · Round 3 · submission
• Won vs Stella Netíková (Choketopus gym)
  No-Gi / 7-9 years / Mixed (4 - 9 years) / -28 kg / Mixed (4 - 9 years) · Round 2 · points

Grind 13 Kids (NO-GI & GI Round Robin) 2026-04-25

• Won vs Kira Lehár (Naru BJJ and Self-Defence)
  Gi / 7-9 years / Mixed / -28 kg / Mixed (4 - 9 years) · Round 3 · walkover
• Lost vs Leon Daiber Tran (Fennec Jiu Jitsu)
  Gi / 7-9 years / Mixed / -28 kg / Mixed (4 - 9 years) · Round 3 · submission
• Lost vs Viktorie Mala (5th Dimension BJJ)
  Gi / 7-9 years / Mixed / -28 kg / Mixed (4 - 9 years) · Round 2 · points
• Lost vs Jonáš Pokorný (Choketopus gym)
  Gi / 7-9 years / Mixed / -28 kg / Mixed (4 - 9 years) · Round 1 · points

TATAMY 20: PRAGUE - KIDS (round robin) 2026-03-21

• Lost vs Botond Kertész (Törökbálinti Brazil Jiu Jitsu Sportegyesület (ZR TEAM TÖRÖKBÁLINT))
  Kids / Gi / 7-9 years / Mix / All levels / -28 kg · Round 4 · submission
• Lost vs Emma Trýsková (Samba Jiu Jitsu)
  Kids / Gi / 7-9 years / Mix / All levels / -28 kg · Round 4 · submission
• Lost vs Jakub Onger (Jungle BJJ Bratislava)
  Kids / Gi / 7-9 years / Mix / All levels / -28 kg · Round 3 · submission
• Lost vs Aleš David (Panther BJJ Boskovice)
  Kids / Gi / 7-9 years / Mix / All levels / -28 kg · Round 2 · submission

TATAMY 18 KIDS (No-GI and GI round robin) 2025-12-06

🥉 3rd Kids / Gi / 4-6 years / Mix / All levels / -24 kg

• Lost vs Šimon Havalda (Fighting gym Topoľčany)
  Kids / Gi / 4-6 years / Mix / All levels / -24 kg · Round 2 · points
• Lost vs Ivan Antonio Blazanovic (Gremlin Jiu Jitsu)
  Kids / Gi / 4-6 years / Mix / All levels / -24 kg · Round 1 · decision

AOM Cup Kids 3 2025-10-05

• Lost vs Edita Tichá (SKP Copacabana Vsetín)
  Mix Gi / White, Grey / U7 (2019,2018) / -26 kg · Round 3 · submission
• Lost vs Anežka Stejskalová (Academy of Movement)
  Mix Gi / White, Grey / U7 (2019,2018) / -26 kg · Round 2 · submission
• Lost vs Marek Kostka (RBSD Šumperk)
  Mix Gi / White, Grey / U7 (2019,2018) / -26 kg · Round 1 · submission