diff --git a/apps/submissions/admin.py b/apps/submissions/admin.py
new file mode 100644
index 0000000..19d5b95
--- /dev/null
+++ b/apps/submissions/admin.py
@@ -0,0 +1,32 @@
+from typing import TYPE_CHECKING
+
+from django.contrib.admin import ModelAdmin, register
+from django.forms import CharField, ModelForm, Textarea
+from django.utils.translation import gettext_lazy as _
+
+from apps.submissions.models import Submission
+
+if TYPE_CHECKING:
+    SubmissionAdminBase = ModelAdmin[Submission]
+    SubmissionModelFormBase = ModelForm[Submission]
+else:
+    SubmissionAdminBase = ModelAdmin
+    SubmissionModelFormBase = ModelForm
+
+
+class SubmissionModelForm(SubmissionModelFormBase):
+    code = CharField(widget=Textarea(attrs={"rows": 20, "cols": 80}))
+
+    class Meta:
+        model = Submission
+        fields = "__all__"
+
+
+@register(Submission)
+class SubmissionAdmin(SubmissionAdminBase):
+    form = SubmissionModelForm
+
+    list_display = ("__str__", "author", "task")
+    list_filter = ("author", "task", "created_at")
+
+    fieldsets = [(_("Details"), {"fields": ("author", "task", "code")})]
diff --git a/apps/submissions/tests.py b/apps/submissions/tests.py
index c17c6ec..4f680f2 100644
--- a/apps/submissions/tests.py
+++ b/apps/submissions/tests.py
@@ -1,10 +1,13 @@
 from datetime import timedelta
 
+from django.contrib.admin.sites import AdminSite
 from django.core.exceptions import ValidationError
 from django.test import TestCase
 from django.utils import timezone
+from django.utils.translation import gettext as _
 
 from apps.contests.models import Contest
+from apps.submissions.admin import SubmissionAdmin
 from apps.submissions.models import Submission
 from apps.tasks.models import Task
 from apps.users.models import User
@@ -71,3 +74,21 @@ def test_submission_code_min_length_validator(self) -> None:
             submission.full_clean()
 
         self.assertEqual(context.exception.messages, expected)
+
+
+class SubmissionAdminTest(TestCase):
+    def setUp(self) -> None:
+        self.site = AdminSite()
+        self.submission_admin = SubmissionAdmin(Submission, self.site)
+
+    def test_list_display(self) -> None:
+        expected = ("__str__", "author", "task")
+        self.assertEqual(self.submission_admin.list_display, expected)
+
+    def test_list_filter(self) -> None:
+        expected = ("author", "task", "created_at")
+        self.assertEqual(self.submission_admin.list_filter, expected)
+
+    def test_fieldsets(self) -> None:
+        expected = [(_("Details"), {"fields": ("author", "task", "code")})]
+        self.assertEqual(self.submission_admin.fieldsets, expected)