jankovic then headed straight to wimbledon where she lost to tamarine tanasugarn in the fourth round. jankovic eventually became the 18th female no. 1, replacing compatriot ivanovic on august 11. at the beijing olympics, she lost to eventual silver medalist dinara safina in the quarterfinals. at the us open, jankovic beat elena dementieva in the final four to reach her first grand slam final but lost to serena williams. in the fall season, she won three consecutive tournaments at the china open, the porsche tennis grand prix and the kremlin cup justifying her return to the top spot.