World No 55 Senthilkumar won the second game after a close opener before the experienced Momen won the next two to advance with a 11-9, 8-11, 11-4, 11-8 victory on Friday.
Meanwhile, Asian Games medallist Abhay Singh, ranked 67 in the world and contesting his maiden World Tour quarterfinals, went down to third seed and world No 15 Eain Yow Ng, with the Malaysian winning 11-6, 11-9, 11-4.