diff --git a/mod_regression/models.py b/mod_regression/models.py
index 9ade0a61..7d11b472 100644
--- a/mod_regression/models.py
+++ b/mod_regression/models.py
@@ -137,6 +137,16 @@ def __repr__(self) -> str:
         """
         return f"<RegressionTest {self.id}>"
 
+    @property
+    def never_worked(self) -> bool:
+        """
+        Determine if this regression test has never passed on any platform.
+
+        :return: True if the test has no pass history on either platform
+        :rtype: bool
+        """
+        return self.last_passed_on_linux is None and self.last_passed_on_windows is None
+
 
 class RegressionTestOutput(Base):
     """Model to store output of regression test."""
diff --git a/templates/macros.html b/templates/macros.html
index 424c619b..72a393d7 100644
--- a/templates/macros.html
+++ b/templates/macros.html
@@ -21,6 +21,19 @@
     {% endif %}
 {% endmacro %}
 
+{% macro platform_history_cell(test) %}
+    {% if test.never_worked %}
+        <span class="label alert">Never Worked</span>
+    {% else %}
+        {% if test.last_passed_on_linux %}
+            <i class="fa fa-linux" title="Linux"></i> <a href="{{ url_for('test.by_id', test_id=test.last_passed_on_linux) }}">#{{ test.last_passed_on_linux }}</a>&nbsp;
+        {% endif %}
+        {% if test.last_passed_on_windows %}
+            <i class="fa fa-windows" title="Windows"></i> <a href="{{ url_for('test.by_id', test_id=test.last_passed_on_windows) }}">#{{ test.last_passed_on_windows }}</a>
+        {% endif %}
+    {% endif %}
+{% endmacro %}
+
 {% macro render_media_info(info) %}
     <ul style="list-style: none; margin-bottom: 0;">
         {% for entry in info recursive  %}
diff --git a/templates/regression/by_sample.html b/templates/regression/by_sample.html
index 994120e3..dbc56d4a 100644
--- a/templates/regression/by_sample.html
+++ b/templates/regression/by_sample.html
@@ -1,4 +1,5 @@
 {% extends "base.html" %}
+{% from "macros.html" import platform_history_cell %}
 
 {% block title %}Regression tests for sample {{ sample.id }} {{ super() }}{% endblock %}
 {% block body %}
@@ -13,6 +14,7 @@ <h1>Regression tests for sample {{ sample.id }}</h1>
                     <tr>
                         <th>ID</th>
                         <th>Command</th>
+                        <th>Platform History</th>
                         <th>Actions</th>
                     </tr>
                     </thead>
@@ -21,6 +23,7 @@ <h1>Regression tests for sample {{ sample.id }}</h1>
                         <tr>
                             <td>{{ test.id }}</td>
                             <td>{{ test.command }}</td>
+                            <td>{{ platform_history_cell(test) }}</td>
                             <td>
                                 <a href="{{ url_for('.test_view', regression_id=test.id) }}" title="View details"><i class="fa fa-info-circle"></i></a>&nbsp;
                                 {% if user is not none and user.has_role('contributor') %}
diff --git a/templates/regression/index.html b/templates/regression/index.html
index 3e98f1fb..6f91b323 100644
--- a/templates/regression/index.html
+++ b/templates/regression/index.html
@@ -1,4 +1,5 @@
 {% extends "base.html" %}
+{% from "macros.html" import platform_history_cell %}
 
 {% block title %}Regression tests {{ super() }}{% endblock %}
 {% block body %}
@@ -63,6 +64,7 @@ <h1>Regression tests</h1>
                         <th>ID</th>
                         <th>Command</th>
                         <th>Active</th>
+                        <th>Platform History</th>
                         <th>Actions</th>
                         <th>Tags</th>
                     </tr>
@@ -76,6 +78,7 @@ <h1>Regression tests</h1>
                             <td>{{ test.id }}</td>
                             <td>{{ test.command }}</td>
                             <td id="status-toggle-{{test.id}}">{{ test.active }}</td>
+                            <td>{{ platform_history_cell(test) }}</td>
                             <td>
                                 <a href="{{ url_for('.test_view', regression_id=test.id) }}" title="View details"><i class="fa fa-info-circle"></i></a>&nbsp;
                                 {% if user is not none and user.has_role('contributor') %}
diff --git a/templates/regression/test_view.html b/templates/regression/test_view.html
index 95f79dec..43735633 100644
--- a/templates/regression/test_view.html
+++ b/templates/regression/test_view.html
@@ -12,6 +12,23 @@ <h1>Regression test  {{ test.id }}</h1>
             <p>Input type: {{ test.input_type.description }}</p>
             <p>Output type: {{ test.output_type.description }}</p>
             <p>Description: {{ test.description or "No description" }}</p>
+            <p>Platform history:</p>
+            <ul>
+                <li>Linux:
+                    {% if test.last_passed_on_linux %}
+                        Last passed on <a href="{{ url_for('test.by_id', test_id=test.last_passed_on_linux) }}">Test #{{ test.last_passed_on_linux }}</a>
+                    {% else %}
+                        <span class="label alert">Never passed</span>
+                    {% endif %}
+                </li>
+                <li>Windows:
+                    {% if test.last_passed_on_windows %}
+                        Last passed on <a href="{{ url_for('test.by_id', test_id=test.last_passed_on_windows) }}">Test #{{ test.last_passed_on_windows }}</a>
+                    {% else %}
+                        <span class="label alert">Never passed</span>
+                    {% endif %}
+                </li>
+            </ul>
             <p id="tags" href="#tags">
                 {% set sample = test.sample %}
                 Tags of sample:
diff --git a/tests/test_regression/test_controllers.py b/tests/test_regression/test_controllers.py
index b7edab9f..c83cddd2 100644
--- a/tests/test_regression/test_controllers.py
+++ b/tests/test_regression/test_controllers.py
@@ -575,3 +575,55 @@ def test_category_description_shown_without_tags(self):
         self.assertIn('data-category="1"', str(response.data))
         # The JavaScript should ensure the description is visible, but we can't test JS execution in unit tests
         # This test verifies the HTML structure is correct for the fix to work
+
+    def test_never_worked_when_both_platforms_null(self):
+        """Check never_worked is True when neither platform has a passing run."""
+        regression_test = RegressionTest.query.filter(RegressionTest.id == 1).first()
+        self.assertIsNone(regression_test.last_passed_on_linux)
+        self.assertIsNone(regression_test.last_passed_on_windows)
+        self.assertTrue(regression_test.never_worked)
+
+    def test_never_worked_false_when_linux_has_passed(self):
+        """Check never_worked is False when Linux has a recorded pass."""
+        regression_test = RegressionTest.query.filter(RegressionTest.id == 1).first()
+        regression_test.last_passed_on_linux = 1
+        g.db.commit()
+        self.assertFalse(regression_test.never_worked)
+
+    def test_never_worked_false_when_windows_has_passed(self):
+        """Check never_worked is False when Windows has a recorded pass."""
+        regression_test = RegressionTest.query.filter(RegressionTest.id == 1).first()
+        regression_test.last_passed_on_windows = 1
+        g.db.commit()
+        self.assertFalse(regression_test.never_worked)
+
+    def test_never_worked_false_when_both_platforms_have_passed(self):
+        """Check never_worked is False when both platforms have a recorded pass."""
+        regression_test = RegressionTest.query.filter(RegressionTest.id == 1).first()
+        regression_test.last_passed_on_linux = 1
+        regression_test.last_passed_on_windows = 2
+        g.db.commit()
+        self.assertFalse(regression_test.never_worked)
+
+    def test_regression_index_shows_never_worked_badge(self):
+        """Check the index page renders the Never Worked label for tests with no pass history."""
+        response = self.app.test_client().get('/regression/')
+        self.assertEqual(response.status_code, 200)
+        self.assertIn(b'Never Worked', response.data)
+
+    def test_regression_view_shows_platform_history_section(self):
+        """Check the test detail page renders the platform history section."""
+        response = self.app.test_client().get('/regression/test/1/view')
+        self.assertEqual(response.status_code, 200)
+        self.assertIn(b'Platform history', response.data)
+        self.assertIn(b'Never passed', response.data)
+
+    def test_regression_view_shows_last_passed_link_when_set(self):
+        """Check the test detail page links to the last passing test run when history exists."""
+        regression_test = RegressionTest.query.filter(RegressionTest.id == 1).first()
+        regression_test.last_passed_on_linux = 1
+        g.db.commit()
+        response = self.app.test_client().get('/regression/test/1/view')
+        self.assertEqual(response.status_code, 200)
+        self.assertIn(b'Test #1', response.data)
+        self.assertNotIn(b'Never Worked', response.data)