diff --git a/tournaments/models/team_registration.py b/tournaments/models/team_registration.py
index af2774a..a040e90 100644
--- a/tournaments/models/team_registration.py
+++ b/tournaments/models/team_registration.py
@@ -119,3 +119,9 @@ class TeamRegistration(models.Model):
 
     def out_of_tournament(self):
         return self.walk_out or self.unregistered
+
+    def get_other_player(self, player):
+        for p in self.playerregistration_set.all():
+            if p != player:
+                return p
+        return None
diff --git a/tournaments/models/tournament.py b/tournaments/models/tournament.py
index bb10fd8..d01cf87 100644
--- a/tournaments/models/tournament.py
+++ b/tournaments/models/tournament.py
@@ -927,6 +927,8 @@ class Tournament(models.Model):
     def online_register_is_enabled(self):
         if self.supposedly_in_progress():
             return False
+        if self.closed_registration_date is not None:
+            return False
         if self.end_date is not None:
             return False
 
@@ -961,6 +963,8 @@ class Tournament(models.Model):
     def get_online_registration_status(self):
             if self.supposedly_in_progress():
                 return OnlineRegistrationStatus.IN_PROGRESS
+            if self.closed_registration_date is not None:
+                return OnlineRegistrationStatus.ENDED
             if self.end_date is not None:
                 return OnlineRegistrationStatus.ENDED_WITH_RESULTS
 
@@ -997,6 +1001,45 @@ class Tournament(models.Model):
 
             return OnlineRegistrationStatus.OPEN
 
+    def is_unregistration_possible(self):
+        # Check if tournament has started
+        if self.supposedly_in_progress():
+            return False
+
+        if self.closed_registration_date is not None:
+            return False
+
+        # Check if tournament is finished
+        if self.end_date is not None:
+            return False
+
+        # Check if registration is closed
+        if self.registration_date_limit is not None:
+            if timezone.now() > self.registration_date_limit:
+                return False
+
+        # Otherwise unregistration is allowed
+        return True
+
+    def build_tournament_details_str(self):
+        tournament_details = []
+        tournament_details.append(self.level())
+        if self.category():
+            tournament_details.append(self.category())
+        if self.age():
+            tournament_details.append(self.age())
+        return " ".join(filter(None, tournament_details))
+
+    def build_name_details_str(self):
+        name_details = []
+        if self.name:
+            name_details.append(self.name)
+        if self.event.name:
+            name_details.append(self.event.name)
+        name_str = " - ".join(filter(None, name_details))
+        if name_str:
+            name_str = f" {name_str}"
+        return name_str
 
 class MatchGroup:
     def __init__(self, name, matches, formatted_schedule):
diff --git a/tournaments/templates/register_tournament.html b/tournaments/templates/register_tournament.html
index ff7cf89..6bd51f4 100644
--- a/tournaments/templates/register_tournament.html
+++ b/tournaments/templates/register_tournament.html
@@ -22,7 +22,7 @@
 
   {% if registration_successful %}
     <p>Merci, l'inscription a bien été envoyé au juge-arbitre.</p>
-
+    <p>Un email de confirmation a été envoyé à {{ user.email }} pour confirmer votre inscription. Pensez à vérifier vos spams si vous ne recevez pas l'email. En cas de problème, contactez le juge-arbitre.</p>
   {% else %}
   <form method="post">
       {% csrf_token %}
diff --git a/tournaments/templates/tournaments/tournament_info.html b/tournaments/templates/tournaments/tournament_info.html
index 40e7516..6bea844 100644
--- a/tournaments/templates/tournaments/tournament_info.html
+++ b/tournaments/templates/tournaments/tournament_info.html
@@ -45,6 +45,9 @@
                 </p>
                 {% endif %}
 
+                <div>{{ tournament.build_tournament_details_str|linebreaksbr }}</div>
+                <div>{{ tournament.build_name_details_str|linebreaksbr }}</div>
+
                 {% if tournament.online_register_is_enabled %}
 
                 <p>
@@ -128,8 +131,15 @@
                     <div>Inscrit le {{ team.registration_date }}</div>
                     </p>
 
-
+                    {% if tournament.is_unregistration_possible %}
                     <p>
+
+                        <div class="margin10">
+                        {% for message in messages %}
+                            <div class="alert alert-{{ message.tags }}">{{ message }}</div>
+                        {% endfor %}
+                        </div>
+
                         <a href="{% url 'unregister_tournament' tournament.id %}"
                            class="rounded-button destructive-button"
                            onclick="return confirm('Êtes-vous sûr de vouloir vous désinscrire ?');">
@@ -141,7 +151,9 @@
                     {% else %}
                     <p>
                     <div>Vous n'êtes pas le capitaine de l'équipe, la désinscription en ligne n'est pas disponible. Veuillez contacter le JAP ou votre partenaire.</div>
-                    </p> -->
+                    </p>
+                    {% endif %}
+                    -->
                     {% endif %}
                 </div>
             {% endif %}
diff --git a/tournaments/views.py b/tournaments/views.py
index b28937a..54031d1 100644
--- a/tournaments/views.py
+++ b/tournaments/views.py
@@ -770,6 +770,30 @@ def register_tournament(request, tournament_id):
 
             request.session['team_registration'] = []
             registration_successful = True
+
+            # Send confirmation email
+            tournament_details_str = tournament.build_tournament_details_str()
+            name_str = tournament.build_name_details_str()
+            email_subject = f"Confirmation d'inscription au {tournament_details_str}{name_str}"
+            inscription_date = timezone.now().strftime("%d/%m/%Y à %H:%M")
+            team_members = [player.name() for player in team_registration.playerregistration_set.all()]
+            team_members_str = " et ".join(team_members)
+            email_body = f"Bonjour,\n\nVotre inscription au tournoi {tournament_details_str}{name_str} est confirmée."
+            email_body += f"\n\nDate d'inscription: {inscription_date}"
+            email_body += f"\n\nÉquipe inscrite: {team_members_str}"
+            email_body += f"\n\nLe tournoi commencera le {tournament.start_date.strftime('%d/%m/%Y')}"
+            email_body += f" @ {tournament.event.club.name}"
+            email_body += f"\n\nVoir les informations sur {request.build_absolute_uri(f'/tournament/{tournament.id}/')}"
+            email_body += "\n\nPour toute question, veuillez contacter votre juge-arbitre. Si vous n'êtes pas à l'origine de cette inscription, merci de le contacter rapidement.\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+            email_body += "\n\nCordialement,\n\nPadel Club"
+
+
+            email = EmailMessage(
+                subject=email_subject,
+                body=email_body,
+                to=[team_form.cleaned_data['email']]
+            )
+            email.send()
     else:
         add_player_form = AddPlayerForm()
 
@@ -835,17 +859,56 @@ def register_tournament(request, tournament_id):
 
 @login_required
 def unregister_tournament(request, tournament_id):
+    tournament = get_object_or_404(Tournament, id=tournament_id)
+
+    if not tournament or not tournament.is_unregistration_possible():
+        messages.error(request, "Le désistement n'est plus possible pour ce tournoi.")
+        return redirect('tournament-info', tournament_id=tournament_id)
+
     user_licence_id = request.user.licence_id
+    if not user_licence_id:
+        messages.error(request, "Vous ne pouvez pas vous désinscrire car vous n'avez pas de numéro de licence associé.")
+        return redirect('tournament-info', tournament_id=tournament_id)
+
+
     player_registration = PlayerRegistration.objects.filter(
         licence_id__startswith=user_licence_id,
         team_registration__tournament_id=tournament_id
     ).first()  # Get the first match, if any
 
+
+    other_player = None
     if player_registration:
         team_registration = player_registration.team_registration  # Get the related TeamRegistration
+        other_player = team_registration.get_other_player(player_registration)
         team_registration.delete()  # Delete the team registration
+    else:
+        messages.error(request, "La désincription a échouée. Veuillez contacter le juge-arbitre.")
+        return redirect('tournament-info', tournament_id=tournament_id)
 
     request.session['team_registration'] = []
+    # Get the tournament information and player details before deleting
+    if tournament and request.user.email:  # Ensure we have valid tournament and user email
+        tournament_details_str = tournament.build_tournament_details_str()
+        name_str = tournament.build_name_details_str()
+        email_subject = f"Confirmation de désistement au {tournament_details_str}{name_str}"
+
+        email_body = f"Bonjour,\n\nVous venez de vous désinscrire du tournoi {tournament_details_str}{name_str}"
+        email_body += f" du {tournament.start_date.strftime('%d/%m/%Y')}"
+        email_body += f" au {tournament.event.club.name}"
+        if other_player is not None:
+            email_body += f"\n\nVous étiez inscrit avec {other_player.name()}, n'oubliez pas de prévenir votre partenaire."
+
+        email_body += f"\n\nVoir les informations sur {request.build_absolute_uri(f'/tournament/{tournament.id}/')}"
+        email_body += "\n\nPour toute question, veuillez contacter votre juge-arbitre. Si vous n'êtes pas à l'origine de ce désistement, merci de le contacter rapidement.\nCeci est un e-mail automatique, veuillez ne pas y répondre."
+        email_body += "\n\nCordialement,\n\nPadel Club."
+
+        email = EmailMessage(
+            subject=email_subject,
+            body=email_body,
+            to=[request.user.email]
+        )
+        email.send()
 
     return redirect('tournament-info', tournament_id=tournament_id)