R.J. Koster

Team Michi · NL · guest registration

4 matches · 0 won · 4 lost · 0 with video

2026 AGF Netherlands Championships 2026-04-18

🥈 2nd Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather II (Up to 34.00 kg)

Lost vs Mikael Nadirian (Azarang Martial Arts)
Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather II (Up to 34.00 kg) · Round 2 · submission
Lost vs Mikael Nadirian (Azarang Martial Arts)
Gi Kids / Boys / Pre Teen (10 - 11 yrs) / Gray / Feather II (Up to 34.00 kg) · Round 1 · submission

🥈 2nd Gi Kids / Boys / Pre Teen (10 - 11 yrs) / White / Feather I (Up to 29.50 kg)

Lost vs Joe Smol (Carlson Gracie Den Haag)
Gi Kids / Boys / Pre Teen (10 - 11 yrs) / White / Feather I (Up to 29.50 kg) · Round 2 · points
Lost vs Joe Smol (Carlson Gracie Den Haag)
Gi Kids / Boys / Pre Teen (10 - 11 yrs) / White / Feather I (Up to 29.50 kg) · Round 1 · points

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