diff --git a/app/features/tournament-bracket/components/BracketMapListDialog.test.ts b/app/features/tournament-bracket/components/BracketMapListDialog.test.ts
new file mode 100644
index 000000000..21222d2aa
--- /dev/null
+++ b/app/features/tournament-bracket/components/BracketMapListDialog.test.ts
@@ -0,0 +1,53 @@
+import { describe, expect, test } from "vitest";
+import { mapSearchFilter } from "./BracketMapListDialog";
+
+const contains = (string: string, substring: string) =>
+	string.toLowerCase().includes(substring.toLowerCase());
+
+const filter = (textValue: string, inputValue: string) =>
+	mapSearchFilter(textValue, inputValue, contains);
+
+describe("mapSearchFilter", () => {
+	test("matches everything for empty input", () => {
+		expect(filter("SZ Hagglefish Market", "")).toBe(true);
+		expect(filter("TC Crableg Capital", "   ")).toBe(true);
+	});
+
+	test("matches against stage name when no mode prefix is given", () => {
+		expect(filter("SZ Crableg Capital", "crab")).toBe(true);
+		expect(filter("TC Crableg Capital", "crab")).toBe(true);
+		expect(filter("SZ Hagglefish Market", "crab")).toBe(false);
+	});
+
+	test("mode prefix alone matches all maps of that mode", () => {
+		expect(filter("SZ Hagglefish Market", "sz")).toBe(true);
+		expect(filter("SZ Crableg Capital", "sz")).toBe(true);
+		expect(filter("TC Crableg Capital", "sz")).toBe(false);
+	});
+
+	test("mode prefix is case-insensitive", () => {
+		expect(filter("SZ Hagglefish Market", "Sz")).toBe(true);
+		expect(filter("SZ Hagglefish Market", "SZ")).toBe(true);
+	});
+
+	test("trailing whitespace after a mode prefix still matches all of that mode", () => {
+		expect(filter("SZ Hagglefish Market", "sz ")).toBe(true);
+		expect(filter("TC Hagglefish Market", "sz ")).toBe(false);
+	});
+
+	test("mode prefix combined with a query filters within that mode", () => {
+		expect(filter("SZ Crableg Capital", "sz crab")).toBe(true);
+		expect(filter("SZ Hagglefish Market", "sz crab")).toBe(false);
+		expect(filter("TC Crableg Capital", "sz crab")).toBe(false);
+	});
+
+	test("query after mode prefix is matched against the stage name", () => {
+		expect(filter("RM Museum d'Alfonsino", "rm museum")).toBe(true);
+		expect(filter("RM Museum d'Alfonsino", "rm market")).toBe(false);
+	});
+
+	test("non-mode first word falls back to stage name search", () => {
+		expect(filter("SZ Hagglefish Market", "hagg")).toBe(true);
+		expect(filter("SZ Hagglefish Market", "market")).toBe(true);
+	});
+});
diff --git a/app/features/tournament-bracket/components/BracketMapListDialog.tsx b/app/features/tournament-bracket/components/BracketMapListDialog.tsx
index 36d61a6fe..34ba9da6a 100644
--- a/app/features/tournament-bracket/components/BracketMapListDialog.tsx
+++ b/app/features/tournament-bracket/components/BracketMapListDialog.tsx
@@ -8,6 +8,7 @@ import {
 	Unlink,
 } from "lucide-react";
 import * as React from "react";
+import { useFilter } from "react-aria-components";
 import { useTranslation } from "react-i18next";
 import { type FetcherWithComponents, Link, useFetcher } from "react-router";
 import { SendouDialog } from "~/components/elements/Dialog";
@@ -1072,6 +1073,7 @@ function MapListRow({
 	onMapChange: (map: NonNullable<TournamentRoundMaps["list"]>[number]) => void;
 }) {
 	const { t } = useTranslation(["common", "game-misc"]);
+	const { contains } = useFilter({ sensitivity: "base" });
 	const tournament = useTournament();
 
 	const items = modesShort.flatMap((mode) => {
@@ -1118,13 +1120,20 @@ function MapListRow({
 				search={{
 					placeholder: t("common:forms.stageSearch.search.placeholder"),
 				}}
+				filter={(textValue, inputValue) =>
+					mapSearchFilter(textValue, inputValue, contains)
+				}
 				className={styles.mapRowSelect}
 				popoverClassName={styles.mapRowSelectPopover}
 			>
 				{(group) => (
 					<SendouSelectItemSection key={group.key} heading={group.modeLabel}>
 						{group.maps.map((m) => (
-							<SendouSelectItem key={m.id} id={m.id} textValue={m.name}>
+							<SendouSelectItem
+								key={m.id}
+								id={m.id}
+								textValue={`${m.mode} ${m.name}`}
+							>
 								<div className={styles.mapSelectItem}>
 									<ModeImage mode={m.mode} size={20} />
 									<StageImage
@@ -1143,6 +1152,51 @@ function MapListRow({
 	);
 }
 
+/**
+ * Filter for the map search input that supports an optional game mode prefix.
+ *
+ * - `"sz"` matches every Splat Zones map
+ * - `"sz crab"` matches Splat Zones maps whose stage name contains "crab"
+ * - input without a recognized mode prefix matches against the stage name as before
+ *
+ * Expects `textValue` to be formatted as `"${modeShort} ${stageName}"`.
+ */
+export function mapSearchFilter(
+	textValue: string,
+	inputValue: string,
+	contains: (string: string, substring: string) => boolean,
+) {
+	const separatorIndex = textValue.indexOf(" ");
+	const mode = textValue.slice(0, separatorIndex);
+	const stageName = textValue.slice(separatorIndex + 1);
+
+	const trimmedInput = inputValue.trim();
+	const firstSpaceIndex = trimmedInput.indexOf(" ");
+	const firstWord =
+		firstSpaceIndex === -1
+			? trimmedInput
+			: trimmedInput.slice(0, firstSpaceIndex);
+
+	const matchedMode = modesShort.find(
+		(m) => m.toLowerCase() === firstWord.toLowerCase(),
+	);
+
+	if (!matchedMode) {
+		return contains(stageName, trimmedInput);
+	}
+
+	if (mode !== matchedMode) return false;
+
+	const restQuery =
+		firstSpaceIndex === -1
+			? ""
+			: trimmedInput.slice(firstSpaceIndex + 1).trim();
+
+	if (restQuery === "") return true;
+
+	return contains(stageName, restQuery);
+}
+
 function MysteryRow({
 	number,
 	isCounterpicks,