diff --git a/src/Compilers/CSharp/Test/Syntax/Parsing/LambdaParameterParsingTests.cs b/src/Compilers/CSharp/Test/Syntax/Parsing/LambdaParameterParsingTests.cs
index 4875f16038259..f4dcfe3c371a2 100644
--- a/src/Compilers/CSharp/Test/Syntax/Parsing/LambdaParameterParsingTests.cs
+++ b/src/Compilers/CSharp/Test/Syntax/Parsing/LambdaParameterParsingTests.cs
@@ -3565,6 +3565,181 @@ public void KeywordParameterName_12()
             EOF();
         }
 
+        [Fact, WorkItem(63469, "https://github.com/dotnet/roslyn/issues/63469")]
+        public void ScopedAsParameterName_01()
+        {
+            string source = "scoped => { }";
+            UsingExpression(source);
+
+            N(SyntaxKind.SimpleLambdaExpression);
+            {
+                N(SyntaxKind.Parameter);
+                {
+                    N(SyntaxKind.IdentifierToken, "scoped");
+                }
+                N(SyntaxKind.EqualsGreaterThanToken);
+                N(SyntaxKind.Block);
+                {
+                    N(SyntaxKind.OpenBraceToken);
+                    N(SyntaxKind.CloseBraceToken);
+                }
+            }
+            EOF();
+        }
+
+        [Fact, WorkItem(63469, "https://github.com/dotnet/roslyn/issues/63469")]
+        public void ScopedAsParameterName_02()
+        {
+            string source = "(scoped) => { }";
+            UsingExpression(source);
+
+            N(SyntaxKind.ParenthesizedLambdaExpression);
+            {
+                N(SyntaxKind.ParameterList);
+                {
+                    N(SyntaxKind.OpenParenToken);
+                    N(SyntaxKind.Parameter);
+                    {
+                        N(SyntaxKind.IdentifierToken, "scoped");
+                    }
+                    N(SyntaxKind.CloseParenToken);
+                }
+                N(SyntaxKind.EqualsGreaterThanToken);
+                N(SyntaxKind.Block);
+                {
+                    N(SyntaxKind.OpenBraceToken);
+                    N(SyntaxKind.CloseBraceToken);
+                }
+            }
+            EOF();
+        }
+
+        [Fact, WorkItem(63469, "https://github.com/dotnet/roslyn/issues/63469")]
+        public void ScopedAsParameterName_03()
+        {
+            string source = "(a, scoped) => { }";
+            UsingExpression(source);
+
+            N(SyntaxKind.ParenthesizedLambdaExpression);
+            {
+                N(SyntaxKind.ParameterList);
+                {
+                    N(SyntaxKind.OpenParenToken);
+                    N(SyntaxKind.Parameter);
+                    {
+                        N(SyntaxKind.IdentifierToken, "a");
+                    }
+                    N(SyntaxKind.CommaToken);
+                    N(SyntaxKind.Parameter);
+                    {
+                        N(SyntaxKind.IdentifierToken, "scoped");
+                    }
+                    N(SyntaxKind.CloseParenToken);
+                }
+                N(SyntaxKind.EqualsGreaterThanToken);
+                N(SyntaxKind.Block);
+                {
+                    N(SyntaxKind.OpenBraceToken);
+                    N(SyntaxKind.CloseBraceToken);
+                }
+            }
+            EOF();
+        }
+
+        [Fact, WorkItem(63469, "https://github.com/dotnet/roslyn/issues/63469")]
+        public void ScopedAsParameterName_04()
+        {
+            string source = "(int scoped) => { }";
+            UsingExpression(source);
+
+            N(SyntaxKind.ParenthesizedLambdaExpression);
+            {
+                N(SyntaxKind.ParameterList);
+                {
+                    N(SyntaxKind.OpenParenToken);
+                    N(SyntaxKind.Parameter);
+                    {
+                        N(SyntaxKind.PredefinedType);
+                        {
+                            N(SyntaxKind.IntKeyword);
+                        }
+                        N(SyntaxKind.IdentifierToken, "scoped");
+                    }
+                    N(SyntaxKind.CloseParenToken);
+                }
+                N(SyntaxKind.EqualsGreaterThanToken);
+                N(SyntaxKind.Block);
+                {
+                    N(SyntaxKind.OpenBraceToken);
+                    N(SyntaxKind.CloseBraceToken);
+                }
+            }
+            EOF();
+        }
+
+        [Fact, WorkItem(63469, "https://github.com/dotnet/roslyn/issues/63469")]
+        public void ScopedAsParameterName_05()
+        {
+            string source = "(scoped int scoped) => { }";
+            UsingExpression(source);
+
+            N(SyntaxKind.ParenthesizedLambdaExpression);
+            {
+                N(SyntaxKind.ParameterList);
+                {
+                    N(SyntaxKind.OpenParenToken);
+                    N(SyntaxKind.Parameter);
+                    {
+                        N(SyntaxKind.ScopedKeyword);
+                        N(SyntaxKind.PredefinedType);
+                        {
+                            N(SyntaxKind.IntKeyword);
+                        }
+                        N(SyntaxKind.IdentifierToken, "scoped");
+                    }
+                    N(SyntaxKind.CloseParenToken);
+                }
+                N(SyntaxKind.EqualsGreaterThanToken);
+                N(SyntaxKind.Block);
+                {
+                    N(SyntaxKind.OpenBraceToken);
+                    N(SyntaxKind.CloseBraceToken);
+                }
+            }
+            EOF();
+        }
+
+        [Fact, WorkItem(63469, "https://github.com/dotnet/roslyn/issues/63469")]
+        public void ScopedAsParameterName_06()
+        {
+            string source = "(scoped scoped) => { }";
+            UsingExpression(source);
+
+            N(SyntaxKind.ParenthesizedLambdaExpression);
+            {
+                N(SyntaxKind.ParameterList);
+                {
+                    N(SyntaxKind.OpenParenToken);
+                    N(SyntaxKind.Parameter);
+                    {
+                        N(SyntaxKind.IdentifierName);
+                        {
+                            N(SyntaxKind.IdentifierToken, "scoped");
+                        }
+                        N(SyntaxKind.IdentifierToken, "scoped");
+                    }
+                    N(SyntaxKind.CloseParenToken);
+                }
+                N(SyntaxKind.EqualsGreaterThanToken);
+                N(SyntaxKind.Block);
+                {
+                    N(SyntaxKind.OpenBraceToken);
+                    N(SyntaxKind.CloseBraceToken);
+                }
+            }
+            EOF();
+        }
+
         [Fact]
         public void MissingParameterName_01()
         {