PV Sindhu’s disappointing run against world number one An Se Young continued as she was defeated in straight games by the Korean in the women’s singles quarterfinals at the China Masters Super 750 badminton tournament on Friday.The two-time Olympic medallist fell 14-21, 13-21 in 38 minutes to the 23-year-old Korean, who captured gold at the Paris Games. This marks Sindhu’s eighth consecutive loss to An, with no wins to date against her nemesis. More closely, Sindhu has won only one game against An, losing 16 in the process.Sindhu began slowly and trailed 1-6 before narrowing the gap to 5-9 with a deft cross-court drop. However, An unleashed her trademark smashes to open up an 11-5 lead at the interval. Sindhu managed to close to 11-14, but the Korean remained in control and sealed the first game when the Indian sent a shot into the net.In the second game, Sindhu briefly led 3-2 before An regained momentum. The Indian pressed with attacking play and stayed within 7-8, but An’s superior deception and variety helped her reach the break with an 11-7 advantage.An pulled away after the resumption, reaching 14-7 and never looked back.Sindhu fought to keep pace with some fine front-court drops and round-the-head smashes, but the Korean stayed a step ahead throughout.An eventually converted eight match points with a cross-court smash, sealing the win as Sindhu erred again.