Britain's Kyle Edmund will face world number three Stan Wawrinka in the second round of the Shanghai Masters, after beating Federico Delbonis.
Edmund, 21, who this week climbed to a career-best ranking of 48th, beat the Argentine 6-3 5-7 6-4.
The British number two last week reached the quarter-finals of the China Open, which was won by Andy Murray.
Wawrinka, 31, is the third seed in Shanghai and attempting to win his fifth title of 2016.