The world number 65 Arvind staved off the challenge from Hsu Jui Ting, ranked 164, by notching up a 21-17 25-23 win in a match that lasted for 37 minutes. The Bangalore shuttler will square off with Malaysia's Tang Jie Chen next.
Sourabh, who had recently clinched three titles -- TATA Open, Austrian International Challenge and Iran Fajr International Challenge, thrashed New Zealand's Dylan Henton 21-11 21-12 in another match.
Arvind's match was a hard-fought battle as Ting recovered from 4-9 to 10-10 in the first game but the Indian didn't give him any chance after that and comfortably pocketed the game.
In the second game also, Ting fought back from 6-11 down to reach 11-11. Arvind moved ahead to open up a 17-12 lead but Ting soon turned the tables at 21-20. But Arvind's experience helped him to wriggle out and seal the issue.