diff --git a/tools/pretty_tox3.sh b/tools/pretty_tox3.sh
new file mode 100755
index 000000000000..396968111c65
--- /dev/null
+++ b/tools/pretty_tox3.sh
@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+TESTRARGS=$1
+
+if [ -z "$TESTRARGS" ]; then
+    ostestr --blacklist_file tests-py3.txt
+else
+    ostestr -r "$TESTRARGS"
+fi
diff --git a/tox.ini b/tox.ini
index 5904a63beb22..905bc258d8c2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -35,7 +35,7 @@ commands =
 setenv = {[testenv]setenv}
 commands =
   find . -type f -name "*.pyc" -delete
-  ostestr --blacklist_file tests-py3.txt
+  bash tools/pretty_tox3.sh '{posargs}'
 
 [testenv:functional]
 usedevelop = True