diff --git a/frontend/src/components/Arena.tsx b/frontend/src/components/Arena.tsx
index bd749b5..d657a2e 100644
--- a/frontend/src/components/Arena.tsx
+++ b/frontend/src/components/Arena.tsx
@@ -44,7 +44,7 @@ export default function Arena({
   const [scoreB, setScoreB] = useState(0);
   const [step, setStep] = useState<Step>("pick");
   const [recentEmails, setRecentEmails] = useState<string[]>(getRecentEmails);
-  const [email, setEmail] = useState(() => recentEmails[0] ?? "");
+  const [email, setEmail] = useState(""); // 칸은 비우고, 입력/포커스 시 datalist 드롭다운으로만 자동완성
   const [notify, setNotify] = useState(true);
   const [crowd, setCrowd] = useState<CrowdStats>(initialCrowd);
   const [copied, setCopied] = useState(false);