diff --git a/server/src/engine/orchestrator.ts b/server/src/engine/orchestrator.ts
index eebb765..20723e0 100644
--- a/server/src/engine/orchestrator.ts
+++ b/server/src/engine/orchestrator.ts
@@ -10,6 +10,7 @@ import { generateMockBotResponse, isClassicBot, generateClassicBotResponse } fro
 import { setCooldown } from './queue.js'
 import { isHumanPlayer, waitForHumanResponse } from './human-responses.js'
 import { payWinner, refundEntry, ENTRY_FEE_SATS } from './payments.js'
+import { settleBets, lockBets } from './betting.js'
 
 interface BotRecord {
   id: string
@@ -295,6 +296,9 @@ async function createFightRecord(botA: BotRecord, botB: BotRecord, arena: Arena,
     startedAt: now,
     createdAt: now,
   })
+  // Lock bets when fight starts
+  lockBets(fightId)
+
   emit(fightId, 'fight_start', {
     botA: { id: botA.id, name: botA.name, elo: botA.eloRating },
     botB: { id: botB.id, name: botB.name, elo: botB.eloRating },
@@ -506,6 +510,21 @@ async function executeFightRounds(fightId: string, botA: BotRecord, botB: BotRec
     potSats: mode === 'ranked' ? 42 : 0,
   })
 
+  // Settle bets
+  try {
+    const settlements = await settleBets(fightId, winnerId)
+    for (const s of settlements) {
+      db.update(schema.bets).set({
+        status: s.won ? 'won' : winnerId ? 'lost' : 'refunded',
+        payoutSats: s.payoutSats,
+        payoutToken: s.payoutToken,
+        settledAt: new Date().toISOString(),
+      }).where(eq(schema.bets.id, s.betId)).run()
+    }
+  } catch (err) {
+    console.error(`[betting] settlement failed for fight ${fightId}:`, err)
+  }
+
   // Ranked fight payout
   if (mode === 'ranked') {
     // Dev mode: always pay the human bot (not mock), regardless of win/loss