diff --git a/src/Illuminate/Database/Eloquent/Relations/Concerns/CanBeOneOfMany.php b/src/Illuminate/Database/Eloquent/Relations/Concerns/CanBeOneOfMany.php
index 800999f86c78..513af5608563 100644
--- a/src/Illuminate/Database/Eloquent/Relations/Concerns/CanBeOneOfMany.php
+++ b/src/Illuminate/Database/Eloquent/Relations/Concerns/CanBeOneOfMany.php
@@ -329,4 +329,24 @@ public function getRelationName()
     {
         return $this->relationName;
     }
+
+    /**
+     * Handle dynamic method calls to the relationship.
+     *
+     * @param  string  $method
+     * @param  array  $parameters
+     * @return mixed
+     */
+    public function __call($method, $parameters)
+    {
+        if (static::hasMacro($method)) {
+            return $this->macroCall($method, $parameters);
+        }
+
+        $query = $this->isOneOfMany() && (str_starts_with($method, 'where') || str_starts_with($method, 'orWhere'))
+            ? $this->getOneOfManySubQuery()
+            : $this->query;
+
+        return $this->forwardDecoratedCallTo($query, $method, $parameters);
+    }
 }
diff --git a/tests/Database/DatabaseEloquentHasOneOfManyTest.php b/tests/Database/DatabaseEloquentHasOneOfManyTest.php
index c1925e7ec8d2..e6f8e7c4ff34 100755
--- a/tests/Database/DatabaseEloquentHasOneOfManyTest.php
+++ b/tests/Database/DatabaseEloquentHasOneOfManyTest.php
@@ -229,7 +229,8 @@ public function testItGetsWithConstraintsCorrectResults()
         $user->logins()->create();
 
         $result = $user->latest_login()->whereKey($previousLogin->getKey())->getResults();
-        $this->assertNull($result);
+        $this->assertNotNull($result);
+        $this->assertSame($previousLogin->id, $result->id);
     }
 
     public function testItEagerLoadsCorrectModels()
@@ -314,7 +315,7 @@ public function testExists()
         $previousLogin = $user->logins()->create();
         $latestLogin = $user->logins()->create();
 
-        $this->assertFalse($user->latest_login()->whereKey($previousLogin->getKey())->exists());
+        $this->assertTrue($user->latest_login()->whereKey($previousLogin->getKey())->exists());
         $this->assertTrue($user->latest_login()->whereKey($latestLogin->getKey())->exists());
     }
 
@@ -349,7 +350,8 @@ public function testGet()
         $this->assertSame($latestLogin->id, $latestLogins->first()->id);
 
         $latestLogins = $user->latest_login()->whereKey($previousLogin->getKey())->get();
-        $this->assertCount(0, $latestLogins);
+        $this->assertCount(1, $latestLogins);
+        $this->assertSame($previousLogin->id, $latestLogins->first()->id);
     }
 
     public function testCount()
@@ -437,6 +439,21 @@ public function testEagerLoadingWithMultipleAggregates()
         $this->assertSame($user2Price->id, $users[1]->price->id);
     }
 
+    public function testEagerLoadingWithConstraintsAppliesToSubQuery()
+    {
+        $user = HasOneOfManyTestUser::create();
+        $user->logins()->create(); // ID 1
+        $login2 = $user->logins()->create(); // ID 2
+        $user->logins()->create(); // ID 3
+
+        $users = HasOneOfManyTestUser::with(['latest_login' => function ($q) {
+            $q->where('logins.id', '<', 3);
+        }])->get();
+
+        $this->assertNotNull($users[0]->latest_login);
+        $this->assertSame($login2->id, $users[0]->latest_login->id);
+    }
+
     public function testWithExists()
     {
         $user = HasOneOfManyTestUser::create();