Sindhu faces the Group B leader Sun Yu on Thursday. They last played at the China Open final which the Indian won in 3.
PV Sindhu is now in 2nd position in the Group B Standings. Earlier, China's Sun Yu had upset the Olympic champion Carolina Marin and she is thus leads the Group B Standings.
Final score: 12-21, 21-8, 21-15 win for PV Sindhu
PV Sindhu WINS HER DEBUT MATCH AT THE WORLD SUPERSERIES FINALS!!!
Yamaguchi's shot goes wide as PV Sindhu wins the game 21-15
Huge roar as Sindhu reaches match point at 20-14.
The crowd singing, 'Jeetega, jeetega, India jeetega!"
Sindhu is now just 2 points away from victory at 19-12.
Yamaguchi has grabbed a couple of points to make 12-16 now
Sindhu appears to be running away with this. Up now 15-10
The points are fast now. Sindhu up 14-10
The Olympic medallist needs to be careful here as Yamaguchi has come back for 10-12
Superb dropshot from Sindhu for a 12-8 lead
The stadium is reverberating with chants of support from Indian fans.
Great footwork from Sindhu to rush to the net and finish off things. With that, she has surged to 11-7 at the mid-game interval.
But Sindhu has put the brake and has now gone up 9-6
Great angular shot from the 2nd seed to get within 6-8
Errors hurting the Japanese badly. Sindhu now up 8-5
The Indian has snatched the momentum for 7-4
Gopichand approves as Sindhu goes for the corner en route to 5-3
An excellent finish at the net from Yamaguchi and she is now 3-4
The Indian moves ahead to 3-1
The Indian has taken a 2-1 lead now
It is now 1-1
That wraps up our coverage of the World Superseries Finals. Hope you enjoyed it. We shall be back tomorrow with the live coverage of Sindhu's second group match. Good night.