Already assured of a semifinal spot, Olympic silver medallist P V Sindhu continued her rampaging run with a straight-game demolition of World No. 2 Japanese Akane Yamaguchi at the USD one million Dubai Super Series Final here today. World No. 3 Sindhu thrashed Yamaguchi 21-9 21-13 in just 36 minutes to top group A in women's singles at the Sheikh Hamdan Indoor Stadium here. This was her last group stage match.

Sindhu, who clinched two Super Series titles this season before winning a silver at the World Championship, will tomorrow face China's Chen Yufei, who saw off Thailand's Ratchanok Intanon 21-18 13-21 21-18 in another Group B match.

The 22-year-old Indian showed great anticipation and athleticism to completely dominate the proceedings even as Yamaguchi got buried under a heap of unforced errors in the last Group A women's singles match.  low lift at the forecourt and an overhead return going to net further swelled Sindhu's lead. The Indian capitalised by a cross court drop, reaching 18-12.

A deceptive return and another miscued stroke by Yamaguchi handed Sindhu seven match points and she sealed it with a quick reflex near the net. Sindhu entered the opening break at 11-1 with a superb return and continued to rule the roost after the breather, reaching 15-4. Yamaguchi won points sporadically, exploiting the Indian's backhand a couple of times, but she failed to curb her unforced errors. At 18-6, Sindhu committed a fault at the net but she followed that with a smash and gained 13 game points when her opponent went wide again.