diff --git a/server/routes/dashboard.js b/server/routes/dashboard.js
index d3dbe0c..4deb9bf 100644
--- a/server/routes/dashboard.js
+++ b/server/routes/dashboard.js
@@ -42,6 +42,23 @@ function extractUserTag(tags, tagMap) {
   return userTag ? userTag.label : null;
 }
 
+// Replicate Ombi's StringHelper.SanitizeTagLabel: lowercase, replace non-alphanumeric with hyphen, collapse, trim
+function sanitizeTagLabel(input) {
+  if (!input) return '';
+  return input.toLowerCase().replace(/[^a-z0-9]+/g, '-').replace(/-+/g, '-').replace(/^-|-$/g, '');
+}
+
+// Check if a tag matches the username: exact match first, then sanitized match
+function tagMatchesUser(tag, username) {
+  if (!tag || !username) return false;
+  const tagLower = tag.toLowerCase();
+  // Exact match (handles users whose tags weren't mangled)
+  if (tagLower === username) return true;
+  // Sanitized match (handles Ombi-mangled tags for email-style usernames)
+  if (tagLower === sanitizeTagLabel(username)) return true;
+  return false;
+}
+
 // Helper to build Sonarr web UI link for a series
 function getSonarrLink(series) {
   if (!series || !series._instanceUrl || !series.titleSlug) return null;
@@ -65,6 +82,7 @@ router.get('/user-downloads', async (req, res) => {
     
     const user = JSON.parse(userCookie);
     const username = user.name.toLowerCase();
+    const usernameSanitized = sanitizeTagLabel(user.name);
     const isAdmin = !!user.isAdmin;
     const showAll = isAdmin && req.query.showAll === 'true';
     console.log(`[Dashboard] Fetching downloads for authenticated user: ${user.name} (${username}), isAdmin: ${isAdmin}, showAll: ${showAll}`);
@@ -321,7 +339,7 @@ router.get('/user-downloads', async (req, res) => {
             const series = seriesMap.get(sonarrMatch.seriesId) || sonarrMatch.series;
             if (series) {
               const userTag = extractUserTag(series.tags, sonarrTagMap);
-              if (userTag && (showAll || userTag.toLowerCase() === username)) {
+              if (userTag && (showAll || tagMatchesUser(userTag, username))) {
                 const dlObj = {
                   type: 'series',
                   title: nzbName,
@@ -357,7 +375,7 @@ router.get('/user-downloads', async (req, res) => {
             const movie = moviesMap.get(radarrMatch.movieId) || radarrMatch.movie;
             if (movie) {
               const userTag = extractUserTag(movie.tags, radarrTagMap);
-              if (userTag && (showAll || userTag.toLowerCase() === username)) {
+              if (userTag && (showAll || tagMatchesUser(userTag, username))) {
                 const dlObj = {
                   type: 'movie',
                   title: nzbName,
@@ -410,7 +428,7 @@ router.get('/user-downloads', async (req, res) => {
             const series = seriesMap.get(sonarrMatch.seriesId) || sonarrMatch.series;
             if (series) {
               const userTag = extractUserTag(series.tags, sonarrTagMap);
-              if (userTag && (showAll || userTag.toLowerCase() === username)) {
+              if (userTag && (showAll || tagMatchesUser(userTag, username))) {
                 const dlObj = {
                   type: 'series',
                   title: nzbName,
@@ -442,7 +460,7 @@ router.get('/user-downloads', async (req, res) => {
             const movie = moviesMap.get(radarrMatch.movieId) || radarrMatch.movie;
             if (movie) {
               const userTag = extractUserTag(movie.tags, radarrTagMap);
-              if (userTag && (showAll || userTag.toLowerCase() === username)) {
+              if (userTag && (showAll || tagMatchesUser(userTag, username))) {
                 const dlObj = {
                   type: 'movie',
                   title: nzbName,
@@ -481,11 +499,11 @@ router.get('/user-downloads', async (req, res) => {
     // Show movies/series tagged for this user
     const userMovies = radarrMovies.data.filter(m => {
       const tag = extractUserTag(m.tags, radarrTagMap);
-      return tag && tag.toLowerCase() === username;
+      return tag && tagMatchesUser(tag, username);
     });
     const userSeries = sonarrSeries.data.filter(s => {
       const tag = extractUserTag(s.tags, sonarrTagMap);
-      return tag && tag.toLowerCase() === username;
+      return tag && tagMatchesUser(tag, username);
     });
     console.log(`[Dashboard] Movies tagged for ${username}:`, userMovies.map(m => m.title));
     console.log(`[Dashboard] Series tagged for ${username}:`, userSeries.map(s => s.title));
@@ -510,7 +528,7 @@ router.get('/user-downloads', async (req, res) => {
           const series = seriesMap.get(sonarrMatch.seriesId) || sonarrMatch.series;
           if (series) {
             const userTag = extractUserTag(series.tags, sonarrTagMap);
-            if (userTag && (showAll || userTag.toLowerCase() === username)) {
+            if (userTag && (showAll || tagMatchesUser(userTag, username))) {
               console.log(`[Dashboard] Matched torrent "${torrentName}" to Sonarr series "${series.title}"`);
               const download = mapTorrentToDownload(torrent);
               download.type = 'series';
@@ -539,7 +557,7 @@ router.get('/user-downloads', async (req, res) => {
           const movie = moviesMap.get(radarrMatch.movieId) || radarrMatch.movie;
           if (movie) {
             const userTag = extractUserTag(movie.tags, radarrTagMap);
-            if (userTag && (showAll || userTag.toLowerCase() === username)) {
+            if (userTag && (showAll || tagMatchesUser(userTag, username))) {
               console.log(`[Dashboard] Matched torrent "${torrentName}" to Radarr movie "${movie.title}"`);
               const download = mapTorrentToDownload(torrent);
               download.type = 'movie';
@@ -568,7 +586,7 @@ router.get('/user-downloads', async (req, res) => {
           const series = seriesMap.get(sonarrHistoryMatch.seriesId) || sonarrHistoryMatch.series;
           if (series) {
             const userTag = extractUserTag(series.tags, sonarrTagMap);
-            if (userTag && (showAll || userTag.toLowerCase() === username)) {
+            if (userTag && (showAll || tagMatchesUser(userTag, username))) {
               console.log(`[Dashboard] Matched torrent "${torrentName}" to Sonarr history "${series.title}"`);
               const download = mapTorrentToDownload(torrent);
               download.type = 'series';
@@ -597,7 +615,7 @@ router.get('/user-downloads', async (req, res) => {
           const movie = moviesMap.get(radarrHistoryMatch.movieId) || radarrHistoryMatch.movie;
           if (movie) {
             const userTag = extractUserTag(movie.tags, radarrTagMap);
-            if (userTag && (showAll || userTag.toLowerCase() === username)) {
+            if (userTag && (showAll || tagMatchesUser(userTag, username))) {
               console.log(`[Dashboard] Matched torrent "${torrentName}" to Radarr history "${movie.title}"`);
               const download = mapTorrentToDownload(torrent);
               download.type = 'movie';