Jankovic start with win

Jankovic improved to 4-0 in her head-to-head record against King with Wednesday's victory.Another player to impress was fourth-seeded Russian Dinara Safina, who eased to a 6-2 6-2 victory over China's Shuai Peng in the second round.After a difficult third-round loss at Wimbledon, the French Open finalist will be looking to get her summer hardcourt season off to a good start.And she could be in a position to do that in a quarter of the draw that has just one top 30 player - 16th-ranked Victoria Azarenka.Ninth-seeded Russian Nadia Petrova returned to action a day after beating countrywoman Alina Jidkova in the opening round. Th