diff --git a/go/test/endtoend/utils/mysql.go b/go/test/endtoend/utils/mysql.go
index 1e770b87516..6b1eb679ffa 100644
--- a/go/test/endtoend/utils/mysql.go
+++ b/go/test/endtoend/utils/mysql.go
@@ -237,8 +237,8 @@ func checkFields(t *testing.T, columnName string, vtField, myField *querypb.Fiel
 		t.Errorf("for column %s field types do not match\nNot equal: \nMySQL: %v\nVitess: %v\n", columnName, myField.Type.String(), vtField.Type.String())
 	}
 
-	// starting in Vitess 20, decimal types are properly sized in their field information
-	if BinaryIsAtLeastAtVersion(20, "vtgate") && vtField.Type == sqltypes.Decimal {
+	// starting in Vitess 19, decimal types are properly sized in their field information
+	if BinaryIsAtLeastAtVersion(19, "vtgate") && vtField.Type == sqltypes.Decimal {
 		if vtField.Decimals != myField.Decimals {
 			t.Errorf("for column %s field decimals count do not match\nNot equal: \nMySQL: %v\nVitess: %v\n", columnName, myField.Decimals, vtField.Decimals)
 		}
diff --git a/go/test/endtoend/vtgate/queries/aggregation/aggregation_test.go b/go/test/endtoend/vtgate/queries/aggregation/aggregation_test.go
index 4255538a07d..b6e2b46a3ba 100644
--- a/go/test/endtoend/vtgate/queries/aggregation/aggregation_test.go
+++ b/go/test/endtoend/vtgate/queries/aggregation/aggregation_test.go
@@ -573,7 +573,7 @@ func TestComplexAggregation(t *testing.T) {
 
 func TestJoinAggregation(t *testing.T) {
 	// This is new functionality in Vitess 20
-	utils.SkipIfBinaryIsBelowVersion(t, 20, "vtgate")
+	utils.SkipIfBinaryIsBelowVersion(t, 19, "vtgate")
 
 	mcmp, closer := start(t)
 	defer closer()
diff --git a/go/test/endtoend/vtgate/queries/reference/reference_test.go b/go/test/endtoend/vtgate/queries/reference/reference_test.go
index 0e3096e6064..ae7319a52e3 100644
--- a/go/test/endtoend/vtgate/queries/reference/reference_test.go
+++ b/go/test/endtoend/vtgate/queries/reference/reference_test.go
@@ -84,7 +84,7 @@ func TestReferenceRouting(t *testing.T) {
 	)
 
 	t.Run("Complex reference query", func(t *testing.T) {
-		utils.SkipIfBinaryIsBelowVersion(t, 20, "vtgate")
+		utils.SkipIfBinaryIsBelowVersion(t, 19, "vtgate")
 		// Verify a complex query using reference tables with a left join having a derived table with an order by clause works as intended.
 		utils.AssertMatches(
 			t,
diff --git a/go/test/endtoend/vtgate/queries/subquery/subquery_test.go b/go/test/endtoend/vtgate/queries/subquery/subquery_test.go
index fe7c65d9c2b..e3f3cc52a5b 100644
--- a/go/test/endtoend/vtgate/queries/subquery/subquery_test.go
+++ b/go/test/endtoend/vtgate/queries/subquery/subquery_test.go
@@ -180,7 +180,7 @@ func TestSubqueryInAggregation(t *testing.T) {
 // TestSubqueryInDerivedTable tests that subqueries and derived tables
 // are handled correctly when there are joins inside the derived table
 func TestSubqueryInDerivedTable(t *testing.T) {
-	utils.SkipIfBinaryIsBelowVersion(t, 20, "vtgate")
+	utils.SkipIfBinaryIsBelowVersion(t, 19, "vtgate")
 	mcmp, closer := start(t)
 	defer closer()
 
diff --git a/go/test/endtoend/vtgate/queries/tpch/tpch_test.go b/go/test/endtoend/vtgate/queries/tpch/tpch_test.go
index 513aea94a86..c0d8c798273 100644
--- a/go/test/endtoend/vtgate/queries/tpch/tpch_test.go
+++ b/go/test/endtoend/vtgate/queries/tpch/tpch_test.go
@@ -48,7 +48,7 @@ func start(t *testing.T) (utils.MySQLCompare, func()) {
 }
 
 func TestTPCHQueries(t *testing.T) {
-	utils.SkipIfBinaryIsBelowVersion(t, 20, "vtgate")
+	utils.SkipIfBinaryIsBelowVersion(t, 19, "vtgate")
 	mcmp, closer := start(t)
 	defer closer()
 	err := utils.WaitForColumn(t, clusterInstance.VtgateProcess, keyspaceName, "region", `R_COMMENT`)