diff --git a/backend/app/routers/share.py b/backend/app/routers/share.py
index 24a175e..b483595 100644
--- a/backend/app/routers/share.py
+++ b/backend/app/routers/share.py
@@ -63,6 +63,9 @@ async def match_share(match_id: str) -> HTMLResponse:
             is_custom = True
 
     la, lb = _team_label(a), _team_label(b)
+    # 한국은 항상 왼쪽으로 표기(프론트 화면 규칙과 동일).
+    if b == "KOR" and a != "KOR":
+        la, lb = lb, la
     if la and lb:
         title = f"TriplePick 2026 — {la} vs {lb} AI 승부예측"
     else:
diff --git a/frontend/src/components/Arena.tsx b/frontend/src/components/Arena.tsx
index ce7731d..ddccfde 100644
--- a/frontend/src/components/Arena.tsx
+++ b/frontend/src/components/Arena.tsx
@@ -164,7 +164,7 @@ export default function Arena({
     if (navigator.share) {
       try {
         await navigator.share({
-          title: `${aShort} vs ${bShort} — TriplePick`,
+          title: `${leftShort} vs ${rightShort} — TriplePick`,
           text: shareText,
           url: shareUrl,
         });