Elena Viatcheslavovna Dementieva

Dementieva was seeded fourth at the Australian Open and was one of three players who had a chance of being ranked World No. 1 at the end of this tournament. Dementieva's 15-match winning streak ended in the semifinals when she lost to Serena Williams 6–3, 6–4 after Dementieva had led 3–0 in the second set.
Playing for Russia in Fed Cup in Moscow, Dementieva defeated Zhang Shuai 6–3, 6–0, helping Russia to an emphatic 5–0 win over the Chinese.
At the Open GDF Suez tournament in Paris, Dementieva advanced to her third final of the year. Amélie Mauresmo then defeated Dementieva in the final in three sets. At the Premier 5 Barclays Dubai Tennis Championships, Dementieva became the 27th woman during the open era to record 500 career singles victories after defeating Sybille Bammer in the first round. She lost however to Venus Williams in the quarterfinals 6–3, 6–3.
Dementieva's next tournament was the BNP Paribas Open in Indian Wells, California, which was the first Premier Mandatory event of the year. After receiving a bye in the first round, she was upset by the Czech Republic's Petra Cetkovská 7–6(2), 2–6, 6–1. At the Sony Ericsson Open in Key Biscayne, Florida, another Premier Mandatory event, Dementieva was seeded fourth but committed 45 unforced errors while losing to 13th seeded Caroline Wozniacki in the fourth round 7–5, 6–4. Despite the loss, she achieved her highest career singles ranking of World No. 3. By reaching the Top 3, she became the sixth Russian to do so.