Martina Hingis also made a successful return to the Tour, beginning her comeback at the Gold Coast event in January.
1 Martina Hingis announced that she would return full-time to the tour for the start of the 2006 season, having already made an unsuccessful comeback attempt at an event in 2005.
Amélie Mauresmo won her first Grand Slam title at the Australian Open after years of questions about her nerves and mental strength.
Svetlana Kuznetsova then won in Miami, her first Tier I title and second biggest overall, after a difficult 2005 season where she failed to back up her breakthrough in 2004 and dropped out the top 10.
Czech teenager Nicole Vaidišová made headlines by reaching her first Grand Slam semifinal with victories over Amélie Mauresmo and Venus Williams.
Serena Williams, Mary Pierce, Lindsay Davenport and Nadia Petrova all returned from injuries during the summer hardcourt season.
Janković's compatriot Ana Ivanovic went one further the next week in Montréal, and by winning the event over Hingis she became the U.S. Open Series champion for that year.
Nadia Petrova won her fifth title of the season in Stuttgart, but lost to the Russian teenager Anna Chakvetadze in the Moscow final.
[10] Kim Clijsters returned at the end of the season, having missed her title defence at the U.S. Open,[11] and won the smaller event in Hasselt.
The season climaxed at the WTA Tour Championships with Mauresmo, Sharapova, Henin-Hardenne, Kuznetsova, Petrova, Clijsters, Dementieva and Hingis all qualifying for the event.
In the doubles event French Open champions Lisa Raymond and Samantha Stosur triumphed, consolidating their position as the year-end No.