diff --git a/src/Support/GuessLocator.php b/src/Support/GuessLocator.php
index b9abb555..673fd89b 100644
--- a/src/Support/GuessLocator.php
+++ b/src/Support/GuessLocator.php
@@ -38,6 +38,16 @@ public function for(string $selector, ?string $value = null): Locator
         if (Selector::isDataTest($selector)) {
             $id = Selector::escapeForAttributeSelectorOrRegex(str_replace('@', '', $selector), true);
 
+            if ($value !== null) {
+                $value = sprintf('[value=%s]', Selector::escapeForAttributeSelectorOrRegex($value, true));
+
+                return $this->page->unstrict(
+                    fn (): Locator => $this->page->locator(
+                        "[data-testid=$id]$value, [data-test=$id]$value",
+                    ),
+                );
+            }
+
             return $this->page->unstrict(
                 fn (): Locator => $this->page->locator(
                     "[data-testid=$id], [data-test=$id]",
diff --git a/tests/Browser/Webpage/AssertRadioTest.php b/tests/Browser/Webpage/AssertRadioTest.php
index 24f026a6..15c798e7 100644
--- a/tests/Browser/Webpage/AssertRadioTest.php
+++ b/tests/Browser/Webpage/AssertRadioTest.php
@@ -36,6 +36,22 @@
     $page->assertRadioNotSelected('color', 'red');
 })->throws(ExpectationFailedException::class);
 
+it('may assert radio is selected by data-testid and value', function (): void {
+    Route::get('/', fn (): string => '<input type="radio" data-testid="color" name="color" value="red"><input type="radio" data-testid="color" name="color" value="blue" checked>');
+
+    $page = visit('/');
+
+    $page->assertRadioSelected('@color', 'blue');
+});
+
+it('may assert radio is not selected by data-testid and value', function (): void {
+    Route::get('/', fn (): string => '<input type="radio" data-testid="color" name="color" value="red" checked><input type="radio" data-testid="color" name="color" value="blue">');
+
+    $page = visit('/');
+
+    $page->assertRadioNotSelected('@color', 'blue');
+});
+
 it('may assert all radios in a group are not selected', function (): void {
     Route::get('/', fn (): string => '<input type="radio" name="size" value="small"><input type="radio" name="size" value="medium"><input type="radio" name="size" value="large">');