diff --git a/app/components/ModeImage.tsx b/app/components/ModeImage.tsx
new file mode 100644
index 000000000..4a12277d3
--- /dev/null
+++ b/app/components/ModeImage.tsx
@@ -0,0 +1,19 @@
+import { Mode } from "@prisma/client";
+import { modesShortToLong } from "~/core/stages/stages";
+import { modeToImageUrl } from "~/utils";
+
+export interface ModeImageProps
+  extends React.ButtonHTMLAttributes<HTMLImageElement> {
+  mode: Mode;
+}
+
+export function ModeImage({ mode, ...props }: ModeImageProps) {
+  return (
+    <img
+      src={modeToImageUrl(mode)}
+      alt={modesShortToLong[mode]}
+      title={modesShortToLong[mode]}
+      {...props}
+    />
+  );
+}
diff --git a/app/components/play/MapList.tsx b/app/components/play/MapList.tsx
new file mode 100644
index 000000000..6ace143ac
--- /dev/null
+++ b/app/components/play/MapList.tsx
@@ -0,0 +1,81 @@
+import { Mode } from "@prisma/client";
+import clsx from "clsx";
+import clone from "just-clone";
+import { useState } from "react";
+import { scoreValid } from "~/core/play/validators";
+import { ModeImage } from "../ModeImage";
+
+const NO_RESULT = "NO_RESULT";
+
+export function MapList({
+  mapList,
+  canSubmitScore,
+  groupIds,
+}: {
+  mapList: {
+    name: string;
+    mode: Mode;
+  }[];
+  canSubmitScore: boolean;
+  groupIds: {
+    our: string;
+    their: string;
+  };
+}) {
+  const [winners, setWinners] = useState<string[]>([]);
+
+  const updateWinners = (winnerId: string, index: number) => {
+    const newWinners = clone(winners);
+
+    // we make sure this option is only available for the last score
+    if (winnerId === NO_RESULT) {
+      newWinners.pop();
+    } else if (index === newWinners.length) {
+      newWinners.push(winnerId);
+    } else {
+      newWinners[index] = winnerId;
+    }
+
+    setWinners(newWinners);
+  };
+
+  // TODO: not properly handling scores getting reported after conclusion
+  const warningText = scoreValid(winners, mapList.length)
+    ? undefined
+    : "Report more maps to submit the score";
+
+  return (
+    <ol className="play-match__stages">
+      <h2 className="play-match__map-list-header">Map list</h2>
+      <div className="play-match__best-of">Best of {mapList.length}</div>
+      {canSubmitScore && (
+        <li className="play-match__select-column-header">
+          <span>Winner</span>
+        </li>
+      )}
+      {mapList.map((stage, i) => {
+        return (
+          <li key={`${stage.name}-${stage.mode}`} className="play-match__stage">
+            {canSubmitScore && (
+              <select
+                className={clsx("play-match__select", {
+                  invisible: i > winners.length,
+                })}
+                onChange={(e) => updateWinners(e.target.value, i)}
+                value={winners[i] ?? NO_RESULT}
+              >
+                <option value={NO_RESULT}></option>
+                <option value={groupIds.our}>Us</option>
+                <option value={groupIds.their}>Them</option>
+              </select>
+            )}
+            <ModeImage className="play-match__mode" mode={stage.mode} />
+            {i + 1}){" "}
+            <span className="play-match__stage-name">{stage.name}</span>
+          </li>
+        );
+      })}
+      <div className="play-match__error-text">{warningText}</div>
+    </ol>
+  );
+}
diff --git a/app/core/play/validators.test.ts b/app/core/play/validators.test.ts
new file mode 100644
index 000000000..3e7575d83
--- /dev/null
+++ b/app/core/play/validators.test.ts
@@ -0,0 +1,31 @@
+import { suite } from "uvu";
+import * as assert from "uvu/assert";
+import { scoreValid } from "./validators";
+
+const ScoreValidator = suite("scoreValid()");
+
+ScoreValidator("Accepts valid scores", () => {
+  const winners = ["a", "b", "a", "a", "a", "a"];
+  const winners2 = ["a", "b", "b", "b", "b", "a", "a", "a", "a"];
+  const winners3 = ["a", "a", "a", "a", "a"];
+  const winners4 = ["a", "a"];
+
+  assert.ok(scoreValid(winners, 9));
+  assert.ok(scoreValid(winners2, 9));
+  assert.ok(scoreValid(winners3, 9));
+  assert.ok(scoreValid(winners4, 3));
+});
+
+ScoreValidator("Rejects invalid scores", () => {
+  const winners = ["a", "b", "a", "a", "a", "a", "a"];
+  const winners2 = ["a", "b", "b", "b", "b", "a", "a", "a", "a", "b"];
+  const winners3 = ["a", "a", "a", "a", "a", "b"];
+  const winners4 = ["a", "a", "a"];
+
+  assert.not.ok(scoreValid(winners, 9));
+  assert.not.ok(scoreValid(winners2, 9));
+  assert.not.ok(scoreValid(winners3, 9));
+  assert.not.ok(scoreValid(winners4, 3));
+});
+
+ScoreValidator.run();
diff --git a/app/core/play/validators.ts b/app/core/play/validators.ts
index db7775f21..91fd78ff2 100644
--- a/app/core/play/validators.ts
+++ b/app/core/play/validators.ts
@@ -34,3 +34,34 @@ export function canUniteWithGroup({
 
   return maxGroupSizeToConsider >= otherGroupSize;
 }
+
+/**
+ * Is score valid? In a best of 9 examples of valid scores:
+ * 5-0, 5-1, 5-4;
+ * invalid scores:
+ * 6-0, 5-5, 4-3
+ * */
+export function scoreValid(winners: string[], bestOf: number) {
+  const requiredWinsToTakeTheSet = Math.ceil(bestOf / 2);
+  const ids = Array.from(new Set(winners));
+  if (ids.length > 2) return false;
+
+  const scores = [0, 0];
+  for (const [i, winnerId] of winners.entries()) {
+    if (winnerId === ids[0]) scores[0]++;
+    else scores[1]++;
+
+    // it's not possible to report more maps once set has concluded
+    if (
+      scores.some((score) => score === requiredWinsToTakeTheSet) &&
+      i !== winners.length - 1
+    ) {
+      return false;
+    }
+  }
+
+  return (
+    scores.some((score) => score === requiredWinsToTakeTheSet) &&
+    scores.some((score) => score < requiredWinsToTakeTheSet)
+  );
+}
diff --git a/app/routes/play/match.$id.tsx b/app/routes/play/match.$id.tsx
index 9329468e2..2d6dfd46f 100644
--- a/app/routes/play/match.$id.tsx
+++ b/app/routes/play/match.$id.tsx
@@ -14,6 +14,7 @@ import invariant from "tiny-invariant";
 import { z } from "zod";
 import { Avatar } from "~/components/Avatar";
 import { Button } from "~/components/Button";
+import { MapList } from "~/components/play/MapList";
 import { DISCORD_URL } from "~/constants";
 import * as LFGGroup from "~/models/LFGGroup.server";
 import * as LFGMatch from "~/models/LFGMatch.server";
@@ -22,7 +23,6 @@ import {
   getUser,
   listToUserReadableString,
   makeTitle,
-  modeToImageUrl,
   parseRequestFormData,
   requireUser,
   UserLean,
@@ -38,7 +38,7 @@ export const meta: MetaFunction = ({ data }: { data: LFGMatchLoaderData }) => {
     title: data.isOwnMatch
       ? makeTitle(
           `vs. ${listToUserReadableString(
-            data.groups[1].map(
+            data.groups[1].members.map(
               (u) => `${u.discordName}#${u.discordDiscriminator}`
             )
           )}`
@@ -91,7 +91,7 @@ interface LFGMatchLoaderData {
   isCaptain: boolean;
   isOwnMatch: boolean;
   isRanked: boolean;
-  groups: UserLean[][];
+  groups: { id: string; members: UserLean[] }[];
   mapList: {
     name: string;
     mode: Mode;
@@ -103,7 +103,7 @@ export const loader: LoaderFunction = async ({ params, context }) => {
   const user = getUser(context);
 
   const match = await LFGMatch.findById(params.id);
-  if (!match || match.groups.length === 0) {
+  if (!match || match.groups.length !== 2) {
     throw new Response(null, { status: 404 });
   }
 
@@ -131,13 +131,16 @@ export const loader: LoaderFunction = async ({ params, context }) => {
         return Number(bIsOwnGroup) - Number(aIsOwnGroup);
       })
       .map((g) => {
-        return g.members.map((g) => ({
-          id: g.user.id,
-          discordId: g.user.discordId,
-          discordAvatar: g.user.discordAvatar,
-          discordName: g.user.discordName,
-          discordDiscriminator: g.user.discordDiscriminator,
-        }));
+        return {
+          id: g.id,
+          members: g.members.map((g) => ({
+            id: g.user.id,
+            discordId: g.user.discordId,
+            discordAvatar: g.user.discordAvatar,
+            discordName: g.user.discordName,
+            discordDiscriminator: g.user.discordDiscriminator,
+          })),
+        };
       }),
     mapList: match.stages.map(({ stage }) => stage),
   });
@@ -157,7 +160,7 @@ export default function LFGMatchPage() {
                 key={i}
                 className="play-match__waves-section play-match__players"
               >
-                {g.map((user) => (
+                {g.members.map((user) => (
                   <div key={user.id} className="play-match__player">
                     <Avatar user={user} />
                     <span className="play-match__player-name">
@@ -195,26 +198,14 @@ export default function LFGMatchPage() {
           </Form>
         </div>
       )}
-      <ol className="play-match__stages">
-        <h2 className="play-match__map-list-header">Map list</h2>
-        <div className="play-match__best-of">Best of {data.mapList.length}</div>
-        {data.mapList.map((stage, i) => {
-          return (
-            <li
-              key={`${stage.name}-${stage.mode}`}
-              className="play-match__stage"
-            >
-              <img
-                className="play-match__mode"
-                src={modeToImageUrl(stage.mode)}
-              />
-              {i + 1}){" "}
-              <span className="play-match__stage-name">{stage.name}</span> (
-              {stage.mode})
-            </li>
-          );
-        })}
-      </ol>
+      <MapList
+        mapList={data.mapList}
+        canSubmitScore={data.isCaptain}
+        groupIds={{
+          our: data.groups[0].id,
+          their: data.groups[1].id,
+        }}
+      />
     </div>
   );
 }
diff --git a/app/styles/play-match.css b/app/styles/play-match.css
index 4fd58d525..422a0c1dd 100644
--- a/app/styles/play-match.css
+++ b/app/styles/play-match.css
@@ -52,13 +52,20 @@
   margin-block-start: var(--s-4);
 }
 
-/* .play-match__stage {
-  background-image: var(--_tournament-bg-url);
-  background-position: center;
-  border-radius: var(--rounded);
-  max-width: 24rem;
-  margin: 0 auto;
-} */
+.play-match__select {
+  width: 4rem;
+  margin-inline-end: var(--s-4);
+}
+
+.play-match__select-column-header {
+  width: 6rem;
+  padding: var(--s-1-5);
+  color: var(--theme);
+  font-size: var(--fonts-xs);
+  font-weight: var(--bold);
+  list-style: none;
+  text-align: center;
+}
 
 .play-match__stages {
   max-width: max-content;
@@ -99,4 +106,12 @@
 .play-match__stage-name {
   font-weight: var(--bold);
   margin-inline: 4px;
+  text-overflow: clip;
+  white-space: nowrap;
+}
+
+.play-match__error-text {
+  color: var(--theme-warning);
+  margin-block-start: var(--s-4);
+  text-align: center;
 }