Olympic silver medallist P V Sindhu and Sameer Verma notched up contrasting wins on Wednesday to progress to the second round of the Hong Kong Open World Tour Super 500 tournament, here.

Sindhu, seeded third, continued her consistent run as she recovered from a mid-game slump to surpass Thailand's Nitchaon Jindapol 21-15 13-21 21-17 in the opening round which lasted a little over an hour. It was Sindhu's fourth win over the Thai player.