diff --git a/app/components/league/__tests__/StandingsPreview.test.tsx b/app/components/league/__tests__/StandingsPreview.test.tsx
new file mode 100644
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+++ b/app/components/league/__tests__/StandingsPreview.test.tsx
@@ -0,0 +1,104 @@
+import { describe, it, expect } from "vitest";
+import { render, screen } from "@testing-library/react";
+import { BrowserRouter } from "react-router";
+import { StandingsPreview, type StandingsPreviewEntry } from "../StandingsPreview";
+
+function renderWithRouter(ui: React.ReactElement) {
+  return render(<BrowserRouter>{ui}</BrowserRouter>);
+}
+
+const baseEntry: StandingsPreviewEntry = {
+  teamId: "team-1",
+  teamName: "Lightning Wolves",
+  ownerName: "alice",
+  displayRank: 1,
+  currentRank: 1,
+  points: 2500,
+  href: "/leagues/1/standings/1/teams/team-1",
+};
+
+describe("StandingsPreview", () => {
+  describe("Avatar rendering", () => {
+    it("renders an img for uploaded avatar type", () => {
+      const entry: StandingsPreviewEntry = {
+        ...baseEntry,
+        avatarType: "uploaded",
+        logoUrl: "https://example.com/team-logo.png",
+      };
+      renderWithRouter(<StandingsPreview entries={[entry]} />);
+
+      const img = screen.getByAltText("Lightning Wolves");
+      expect(img.tagName).toBe("IMG");
+    });
+
+    it("renders an SVG for flag avatar type", () => {
+      const entry: StandingsPreviewEntry = {
+        ...baseEntry,
+        avatarType: "flag",
+        flagConfig: { pattern: "triband-h", colors: ["#ff0000", "#ffffff", "#0000ff"] },
+      };
+      const { container } = renderWithRouter(<StandingsPreview entries={[entry]} />);
+
+      expect(container.querySelector("svg")).toBeInTheDocument();
+    });
+
+    it("renders owner image when avatarType is owner with image ownerAvatarData", () => {
+      const entry: StandingsPreviewEntry = {
+        ...baseEntry,
+        avatarType: "owner",
+        ownerAvatarData: { type: "image", url: "https://example.com/owner.png" },
+      };
+      renderWithRouter(<StandingsPreview entries={[entry]} />);
+
+      const img = screen.getByAltText("Lightning Wolves");
+      expect(img.tagName).toBe("IMG");
+    });
+
+    it("falls back to a generated flag when no avatar data is provided", () => {
+      const entry: StandingsPreviewEntry = { ...baseEntry, avatarType: undefined };
+      const { container } = renderWithRouter(<StandingsPreview entries={[entry]} />);
+
+      expect(container.querySelector("svg")).toBeInTheDocument();
+    });
+  });
+
+  describe("Basic rendering", () => {
+    it("renders team names for all entries", () => {
+      const entries: StandingsPreviewEntry[] = [
+        { ...baseEntry, teamId: "t1", teamName: "Team Alpha", displayRank: 1 },
+        { ...baseEntry, teamId: "t2", teamName: "Team Beta", displayRank: 2 },
+      ];
+      renderWithRouter(<StandingsPreview entries={entries} />);
+
+      expect(screen.getByText("Team Alpha")).toBeInTheDocument();
+      expect(screen.getByText("Team Beta")).toBeInTheDocument();
+    });
+
+    it("renders owner name below team name", () => {
+      renderWithRouter(<StandingsPreview entries={[baseEntry]} />);
+
+      expect(screen.getByText("alice")).toBeInTheDocument();
+    });
+
+    it("renders rounded points", () => {
+      renderWithRouter(<StandingsPreview entries={[{ ...baseEntry, points: 1500 }]} />);
+
+      expect(screen.getByText("1,500")).toBeInTheDocument();
+    });
+
+    it("renders description when provided", () => {
+      renderWithRouter(<StandingsPreview entries={[baseEntry]} description="Current Standings" />);
+
+      expect(screen.getByText("Current Standings")).toBeInTheDocument();
+    });
+
+    it("renders full standings link when fullStandingsHref is provided", () => {
+      renderWithRouter(
+        <StandingsPreview entries={[baseEntry]} fullStandingsHref="/leagues/1/standings/1" />
+      );
+
+      const link = screen.getByRole("link", { name: "Full Standings" });
+      expect(link).toHaveAttribute("href", "/leagues/1/standings/1");
+    });
+  });
+});