Second-seeded Amelie Mauresmo won only two games Thursday, losing 6-2, 6-0 to Slovenia's Katarina Srebotnik in the second round of the Zurich Open.
It took Srebotnik 54 minutes to break her opponent five times, with Mauresmo winning 17 percent of her second-serve points.
The Frenchwoman was also knocked out in her first match in Moscow last week.
Top-seeded Lindsay Davenport rallied to beat Daniela Hantuchova of Slovakia 3-6, 7-5, 6-2. The American will now move to No. 1, up from No. 3, in the rankings.
Italy's Flavia Pennetta also advanced to the quarterfinals after beating Bulgaria's Sesil Karatantcheva 5-7, 6-1, 6-3, AP reports.
Russian troops have completed the tasks of the special operation on Snake Island. In this connection, as an act of good will, Moscow has decided to withdraw the garrison of the Armed Forces of the Russian Federation from the island