Male Juvenile B / Open / Age 16 and Under / -132 lbs

Bracket order

1. Round 1 · #29 · Mat 1 · 11:04 · finished
   Cobyn Mattson vs Derrick Yoshizumi · ippon
2. Round 1 · #33 · Mat 1 · 11:12 · finished
   Ace Kobayakawa vs Kean Masangcay · ippon
3. Round 1 · #35 · Mat 1 · 11:21 · finished
   David Sakai vs Ryan Tanouye · ippon
4. Round 1 · #37 · Mat 1 · 11:24 · finished
   Rui Arai vs Wes Kishimoto · yuko
5. Round 2 · #38 · Mat 1 · 11:40 · finished
   Cobyn Mattson vs Ace Kobayakawa · ippon
6. Round 2 · #39 · Mat 1 · 11:41 · finished
   David Sakai vs Rui Arai · ippon
7. Round 1 · #40 · Mat 1 · 11:43 · finished
   Derrick Yoshizumi vs Kean Masangcay · ippon
8. Round 1 · #41 · Mat 1 · 11:44 · finished
   Ryan Tanouye vs Wes Kishimoto · ippon
9. Round 2 · #44 · Mat 1 · 11:49 · finished
   Kean Masangcay vs Rui Arai · ippon
10. Round 2 · #45 · Mat 1 · 11:53 · finished
    Wes Kishimoto vs Cobyn Mattson · ippon
11. Round 3 · #46 · Mat 1 · 11:55 · finished
    Ace Kobayakawa vs David Sakai · ippon
12. Round 3 · #49 · Mat 1 · 12:01 · finished
    Kean Masangcay vs Cobyn Mattson · ippon

Athletes

• Ace Kobayakawa 修道館 - SHUDOKAN JUDO CLUB 29 matches · 24 won · 5 lost ▶ vs Zeean Gonzalez (won), 2026 ▶ vs Robert Vardanyan (lost), 2026 ▶ vs David Sakai (won), 2026
• Cobyn Mattson Hawaii Tenri Judo 4 matches · 2 won · 2 lost
• David Sakai 修道館 - SHUDOKAN JUDO CLUB 28 matches · 20 won · 8 lost ▶ vs Laikahu Merseburgh (won), 2025 ▶ vs Laikahu Merseburgh (won), 2025 ▶ vs Laikahu Merseburgh (won), 2025
• Derrick Yoshizumi Salt Lake Judo Hawaii 14 matches · 7 won · 7 lost
• Kean Masangcay Hilo Hongwanji Judo Club 4 matches · 3 won · 1 lost
• Rui Arai Uji Judokai - Kyoto, Japan 5 matches · 3 won · 2 lost
• Ryan Tanouye Hilo Hongwanji Judo Club 2 matches · 0 won · 2 lost
• Wes Kishimoto Kazoku Judo Academy 60 matches · 44 won · 16 lost