KEY POINTS:
World No 1 Jelena Jankovic beat French Open champion Ana Ivanovic 6-3, 6-4 in their opening White Group match at the WTA Championships in Doha yesterday.
In the same group, eighth seed Vera Zvonareva downed fellow Russian Svetlana Kuznetsova 6-2, 6-3, while American Venus Williams defeated second-seeded Russian Dinara Safina 7-5, 6-3 in the Maroon Group.