diff --git a/testdata/dnn/onnx/data/input_lstm_cntk_tanh.pb b/testdata/dnn/onnx/data/input_lstm_cntk_tanh.pb
new file mode 100644
index 000000000..3523f13bb
Binary files /dev/null and b/testdata/dnn/onnx/data/input_lstm_cntk_tanh.pb differ
diff --git a/testdata/dnn/onnx/data/output_lstm_cntk_tanh.pb b/testdata/dnn/onnx/data/output_lstm_cntk_tanh.pb
new file mode 100644
index 000000000..02fd903dc
--- /dev/null
+++ b/testdata/dnn/onnx/data/output_lstm_cntk_tanh.pb
@@ -0,0 +1,2 @@
+

BSplice1349_Output_0Jxè3=fÏ=%G¾s!Û=ñŒl½ß½Ô½×=A‰={Ù½±h>õte½)Ä*¾RÓè<'ÒÏ=b݉½O[­=½ç<Hu,¾ÊÈ5<õò =1¢T½cÄ=¡B‡¼ò
¾
+;ÄÀ`=ž9Z¼,Q <Y6&=õ%´½
\ No newline at end of file
diff --git a/testdata/dnn/onnx/models/lstm_cntk_tanh.onnx b/testdata/dnn/onnx/models/lstm_cntk_tanh.onnx
new file mode 100644
index 000000000..a4164a587
Binary files /dev/null and b/testdata/dnn/onnx/models/lstm_cntk_tanh.onnx differ
diff --git a/testdata/dnn/onnx/readme.lstm_cntk_tanh.txt b/testdata/dnn/onnx/readme.lstm_cntk_tanh.txt
new file mode 100644
index 000000000..453da22a5
--- /dev/null
+++ b/testdata/dnn/onnx/readme.lstm_cntk_tanh.txt
@@ -0,0 +1,3 @@
+Original location:
+- https://github.com/microsoft/onnxruntime/blob/master/onnxruntime/test/testdata/CNTK/test_LSTM.tanh.bidirectional/model.onnx
+- https://github.com/microsoft/onnxruntime/tree/master/onnxruntime/test/testdata/CNTK/test_LSTM.tanh.bidirectional/test_data_set_0