Chronological fight-graph strength.
← RIZIN Fighting FederationFIGHTER SCOUT REPORT
Keito Oyama
10-6 · Unknown division · RIZIN Fighting Federation
Quality and breadth of proven wins.
Strength of opponents actually faced.
Recent results versus expectation.
Quality-adjusted finishing production.
PROFILE
Scouting file
Age28
Height165 cm
NationalityJapan
GymFreelance
Career spanDec 19, 2020 – May 10, 2026
Organizations2
Title fights0 wins / 0 bouts
Finishes1 KO/TKO · 1 SUB
Data completeness85%
BEST PROVEN WINS
Résumé anchors
Opponent values are the opponent's rating state before that fight, not hindsight credit.
Marina KumagaiDec 19, 2020 · FinishOpp. 1500
Bo Mi LeeNov 3, 2025Opp. 1500
Katie PerezMay 10, 2026Opp. 1495
Bo Mi LeeNov 3, 2025Opp. 1487
Katie PerezMay 10, 2026Opp. 1482
RECENT HISTORY
Last 20 fights
WKatie PerezMay 10, 2026 · rizinDecision
WKatie PerezMay 10, 2026 · rizin · 113lb CatchweightDecision
LSaori OshimaMar 7, 2026 · rizinDecision
LSaori OshimaMar 7, 2026 · rizin · 108lb CatchweightDecision
WBo Mi LeeNov 3, 2025 · rizin · 110lb CatchweightDecision
WBo Mi LeeNov 3, 2025 · rizinDecision
WEmi TomimatsuSep 7, 2025 · deepTKO
WYu Ri ShimMay 31, 2025 · rizin · 108lb CatchweightDecision
WYu Ri ShimMay 31, 2025 · rizinDecision
LRena KubotaJul 28, 2024 · rizinTKO
LRena KubotaJul 28, 2024 · rizin · 108lb CatchweightTKO
LMoeri SudaSep 10, 2023 · deepDecision
WEru TakebayashiSep 11, 2022 · deepDecision
LMika NaganoMay 8, 2022 · deepSubmission
WAoi KuriyamaDec 11, 2021 · deepDecision
WMarina KumagaiDec 19, 2020 · deepSubmission
CAREER PATH
Promotion history
rizinJul 28, 2024 – May 10, 20266-4
deepDec 19, 2020 – Sep 7, 20254-2
How this rating works
Global Scout Rating uses the same fight-graph rules for every promotion. A logo does not add points. Beating strong fighters, facing strong schedules, outperforming expectation and building credible evidence does.