diff --git a/extensions/test/generic_robust_predicates/Jamfile b/extensions/test/generic_robust_predicates/Jamfile
index 47d8e0ec595..0595681dce7 100644
--- a/extensions/test/generic_robust_predicates/Jamfile
+++ b/extensions/test/generic_robust_predicates/Jamfile
@@ -7,5 +7,6 @@
 test-suite boost-geometry-extensions-generic_robust_predicates
     :
     [ run approximate.cpp ]
+    [ run side3d.cpp : : : <debug-symbols>off ]
     ;
 
diff --git a/extensions/test/generic_robust_predicates/side3d.cpp b/extensions/test/generic_robust_predicates/side3d.cpp
new file mode 100644
index 00000000000..4b9ac945d75
--- /dev/null
+++ b/extensions/test/generic_robust_predicates/side3d.cpp
@@ -0,0 +1,76 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+// Unit Test
+
+// Copyright (c) 2020 Tinko Bartels, Berlin, Germany.
+
+// Contributed and/or modified by Tinko Bartels,
+//   as part of Google Summer of Code 2020 program.
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#include <array>
+
+#include <geometry_test_common.hpp>
+
+#include <boost/geometry/extensions/generic_robust_predicates/strategies/cartesian/detail/expressions.hpp>
+#include <boost/geometry/extensions/generic_robust_predicates/strategies/cartesian/detail/stage_a.hpp>
+
+template <typename CalculationType>
+void test_all()
+{
+    using bg::detail::generic_robust_predicates::orient3d;
+    using bg::detail::generic_robust_predicates::stage_a_semi_static;
+    using bg::detail::generic_robust_predicates::stage_a_almost_static;
+    using bg::detail::generic_robust_predicates::stage_a_static;
+    using ct = CalculationType;
+    using semi_static = stage_a_semi_static<orient3d, ct>;
+    BOOST_CHECK_EQUAL(1,
+                      semi_static::apply(1, 0, 0,
+                                         0, 1, 0,
+                                         1, 1, 0,
+                                         0, 0, 1));
+    BOOST_CHECK_EQUAL(-1,
+                      semi_static::apply(1, 0, 0,       
+                                         0, 1, 0,                
+                                         1, 1, 0,                
+                                         0, 0, -1));
+    BOOST_CHECK_EQUAL(0,
+                      semi_static::apply(1, 0, 0,       
+                                         0, 1, 0,                
+                                         1, 1, 0,                
+                                         0, 0, 0));
+    stage_a_static<orient3d, ct> stat(10, 10, 10,
+                                      10, 10, 10,
+                                      10, 10, 10,
+                                      10, 10, 10,
+                                       0,  0,  0,
+                                       0,  0,  0,
+                                       0,  0,  0,
+                                       0,  0,  0);
+    BOOST_CHECK_EQUAL(1, stat.apply(1, 0, 0,
+                                    0, 1, 0,
+                                    1, 1, 0,
+                                    0, 0, 1));
+
+    stage_a_static<orient3d, ct> pessimistic(1e40, 1e40, 1e40,
+                                             1e40, 1e40, 1e40,
+                                             1e40, 1e40, 1e40,
+                                             1e40, 1e40, 1e40, 
+                                             0,    0,    0,  
+                                             0,    0,    0, 
+                                             0,    0,    0,
+                                             0,    0,    0);
+    BOOST_CHECK_EQUAL(bg::detail::generic_robust_predicates::sign_uncertain,
+                      pessimistic.apply(1, 0, 0,
+                                        0, 1, 0,
+                                        1, 1, 0,
+                                        0, 0, 1));
+}
+
+int test_main(int, char* [])
+{
+    test_all<double>();
+    return 0;
+}