diff --git a/client/src/pages/MatchPage.jsx b/client/src/pages/MatchPage.jsx
index 5a3fde2..166c373 100644
--- a/client/src/pages/MatchPage.jsx
+++ b/client/src/pages/MatchPage.jsx
@@ -126,19 +126,26 @@ function Stage(ctx) {
     const missing = [A, B].filter((t) => !t.readiness.ready);
     return (
       <div className="stage-note">
-        <h2>Warten auf beide Teams</h2>
-        <p className="muted">
-          {missing.length === 0
-            ? 'Beide Teams sind bereit.'
-            : missing.map((t) => `${t.name}: ${t.readiness.count}/${t.teamSize} Spieler, ${t.readiness.allReady ? 'alle bereit' : 'noch nicht alle bereit'}`).join(' – ')}
-        </p>
+        <h2>{missing.length === 0 ? 'Beide Teams sind bereit' : 'Warten auf beide Teams'}</h2>
+        {missing.length > 0 && (
+          <ul className="missing-list">
+            {missing.map((t) => <li key={t.key}><strong className={`team-${t.key.toLowerCase()}`}>{t.name}:</strong> {readinessGap(t, state.requireFullTeams)}</li>)}
+          </ul>
+        )}
         {isOrg ? (
-          <button className="btn btn-primary btn-lg" disabled={!state.canStartVeto || !!busy}
-            onClick={() => act('veto/start', null, 'Veto gestartet')}>
-            Veto starten
-          </button>
+          <>
+            <button className="btn btn-primary btn-lg" disabled={!state.canStartVeto || !!busy}
+              onClick={() => act('veto/start', null, 'Veto gestartet')}>
+              Veto starten
+            </button>
+            {!state.canStartVeto && <p className="small muted">Der Knopf wird aktiv, sobald beide Teams bereit sind.</p>}
+          </>
         ) : (
-          <p className="small muted">Der Organisator startet das Veto, sobald beide Teams bereit sind.</p>
+          <p className="small muted">
+            {missing.length === 0
+              ? 'Der Organisator kann das Veto jetzt starten.'
+              : 'Sobald beide Teams bereit sind, startet der Organisator das Veto.'}
+          </p>
         )}
         <MapPoolPreview maps={state.maps} />
       </div>
@@ -153,6 +160,21 @@ function Stage(ctx) {
   );
 }
 
+/** Sagt konkret, was einem Team noch fehlt, damit es als bereit gilt. */
+function readinessGap(team, requireFull) {
+  const r = team.readiness;
+  const gaps = [];
+  if (!r.enough) {
+    const need = requireFull ? team.teamSize - r.count : 1;
+    gaps.push(requireFull
+      ? `noch ${need} von ${team.teamSize} Spielern fehlen (Team muss vollständig sein)`
+      : 'mindestens ein Spieler fehlt');
+  }
+  if (r.count > 0 && !r.allReady) gaps.push('noch nicht alle haben „bereit“ geklickt');
+  if (r.count > 0 && !r.hasCaptain) gaps.push('kein Captain');
+  return gaps.join(', ');
+}
+
 function MapPoolPreview({ maps }) {
   return (
     <div className="pool-preview" aria-label="Map-Pool">
diff --git a/client/src/styles.css b/client/src/styles.css
index 5bb1b98..cbe8959 100644
--- a/client/src/styles.css
+++ b/client/src/styles.css
@@ -173,7 +173,10 @@ input:focus, select:focus { border-color: var(--ct); outline: none; }
 .match-grid { display: grid; grid-template-columns: minmax(220px, 280px) minmax(0, 1fr) minmax(220px, 280px); gap: 20px; align-items: start; }
 .stage { min-width: 0; }
 .stage-note { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
-.stage-note .btn { margin: 8px 0 20px; }
+.stage-note .btn { margin: 8px 0 8px; }
+.stage-note .pool-preview { margin-top: 16px; }
+.missing-list { margin: 0 0 12px; padding-left: 1.1em; color: var(--muted); }
+.missing-list li { margin-bottom: 4px; }
 .pool-preview { display: flex; flex-wrap: wrap; gap: 6px; }
 .pool-chip { padding: 4px 10px; border-left: 3px solid var(--map); background: var(--surface-2); font-size: .875rem; border-radius: 3px; }
 
diff --git a/server/src/matchService.js b/server/src/matchService.js
index c6260fd..a394d5e 100644
--- a/server/src/matchService.js
+++ b/server/src/matchService.js
@@ -531,6 +531,7 @@ export class MatchService extends EventEmitter {
       currentMapNumber: match.current_map_number,
       viewer: { role: viewer.role, playerId: viewer.playerId, team: viewer.team },
       canStartVeto: match.status === 'lobby' && readiness.A.ready && readiness.B.ready,
+      requireFullTeams: this.config.requireFullTeams,
       maps: pool.maps,
       veto: publicView
         ? null