diff --git a/tests/kbo/schedule.test.ts b/tests/kbo/schedule.test.ts
new file mode 100644
index 0000000..6536bb8
--- /dev/null
+++ b/tests/kbo/schedule.test.ts
@@ -0,0 +1,91 @@
+import { beforeAll, describe, expect, it } from "vitest";
+import {
+  fetchSchedule,
+  type ScheduleGame,
+} from "../../src/kbo/schedule";
+
+// 실제 KBO `fetchSchedule` (cli `npx tsx src/kbo/cli.ts schedule 2026 4 --json`이 쓰는 동일 경로)을
+// 호출하여, 알려진 회귀 케이스가 정확히 파싱되는지 검증한다. 과거 경기는 결과가 불변이라 결정론적.
+
+const TIMEOUT_MS = 30_000;
+
+describe("fetchSchedule (실제 KBO 호출) — 케이스별 회귀", () => {
+  let april: ScheduleGame[];
+  let may: ScheduleGame[];
+
+  beforeAll(async () => {
+    [april, may] = await Promise.all([
+      fetchSchedule({ year: 2026, month: 4 }).then((r) => r.games),
+      fetchSchedule({ year: 2026, month: 5 }).then((r) => r.games),
+    ]);
+  }, TIMEOUT_MS);
+
+  function find(games: ScheduleGame[], gameId: string): ScheduleGame {
+    const g = games.find((x) => x.gameId === gameId);
+    if (!g) throw new Error(`gameId ${gameId} not found in fetched schedule`);
+    return g;
+  }
+
+  it("win/lose: 20260401LTNC0 (LT 4 @ NC 5) → completed, score 정확", () => {
+    const g = find(april, "20260401LTNC0");
+    expect(g.status).toBe("completed");
+    expect(g.awayTeamCode).toBe("LT");
+    expect(g.homeTeamCode).toBe("NC");
+    expect(g.awayScore).toBe(4);
+    expect(g.homeScore).toBe(5);
+    expect(g.note).toBe("-");
+  });
+
+  it("draw(4월): 20260426LTHT0 (LT 5 @ HT 5) → completed, 동점 score 파싱 (parsePlayCell 회귀)", () => {
+    const g = find(april, "20260426LTHT0");
+    expect(g.status).toBe("completed");
+    expect(g.awayTeamCode).toBe("LT");
+    expect(g.homeTeamCode).toBe("HT");
+    expect(g.awayScore).toBe(5);
+    expect(g.homeScore).toBe(5);
+  });
+
+  it("draw(5월): 20260505NCSK0 (NC 7 @ SSG 7) → completed, 동점 score 파싱", () => {
+    const g = find(may, "20260505NCSK0");
+    expect(g.status).toBe("completed");
+    expect(g.awayTeamCode).toBe("NC");
+    expect(g.homeTeamCode).toBe("SK");
+    expect(g.awayScore).toBe(7);
+    expect(g.homeScore).toBe(7);
+  });
+
+  it("cancelled: 20260409WOOB0 (우천취소) → status=cancelled, score=null", () => {
+    const g = find(april, "20260409WOOB0");
+    expect(g.status).toBe("cancelled");
+    expect(g.awayTeamCode).toBe("WO");
+    expect(g.homeTeamCode).toBe("OB");
+    expect(g.awayScore).toBeNull();
+    expect(g.homeScore).toBeNull();
+    expect(g.note).toContain("우천");
+  });
+
+  it("scheduled(미래): 20260507OBLG0 → status=scheduled, score=null", () => {
+    const g = find(may, "20260507OBLG0");
+    expect(g.status).toBe("scheduled");
+    expect(g.awayScore).toBeNull();
+    expect(g.homeScore).toBeNull();
+  });
+
+  it("4월 모든 completed 경기: score는 null 아님 (무승부 포함 회귀)", () => {
+    const completed = april.filter((g) => g.status === "completed");
+    expect(completed.length).toBeGreaterThan(0);
+    for (const g of completed) {
+      expect(g.awayScore, `${g.gameId} awayScore`).not.toBeNull();
+      expect(g.homeScore, `${g.gameId} homeScore`).not.toBeNull();
+    }
+  });
+
+  it("4월 모든 cancelled 경기: score는 null이어야 함", () => {
+    const cancelled = april.filter((g) => g.status === "cancelled");
+    expect(cancelled.length).toBeGreaterThan(0);
+    for (const g of cancelled) {
+      expect(g.awayScore, `${g.gameId} awayScore`).toBeNull();
+      expect(g.homeScore, `${g.gameId} homeScore`).toBeNull();
+    }
+  });
+});