Li too strong for Schiavone
Home favourite Li Na beat Italy's Francesca Schiavone in straight sets to book her place in the second round of the China Open in Beijing.
The seventh seed was never in trouble in the one-sided match, easing to a 6-2 6-3 victory over the woman she succeeded as French Open champion in 2011.
Schiavone looked out of sorts throughout the contest, serving a total of 12 double faults and losing all seven break points she faced.
Sixth seed Sara Errani bowed out after retiring with an injury when trailing 5-4 against fellow Italian Camila Giorgi, while ninth seed Marion Bartoli of France beat Serbian qualifier Bojana Jovanovski 6-3 6-3.
Thirteenth seed Maria Kirilenko was dumped out 6-3 6-3 at the hands of fellow Russian Ekaterina Makarova, while Lucie Safarova, the 16th seed, was defeated 6-2 6-0 by Romania's Monica Niculescu.
Britain's Laura Robson advanced to the second round with a straight-sets victory over Japanese veteran Kimiko Date-Krumm.
The 18-year-old saw off 42-year-old wild card Date-Krumm 6-4 6-4 in one hour 22 minutes.
Robson will face Lourdes Dominguez Lino in round two after the Spaniard overcame 15th-seeded Italian Roberta Vinci 6-7 (4/7) 7-6 (7/4) 6-2.
Former world number one Jelena Jankovic defeated Andrea Petkovic 6-2 6-4, while there were also wins today for Elena Vesnina, Ayumi Morita, Shuai Peng and Julia Goerges.