Former world No. 1 women's tennis players Justine Henin-Hardenne and Kim Clijsters of Belgium have reached the semifinals of the J&S tennis tournament in Warsaw, Poland.

Henin-Hardenne scored a straight-set win over fourth seed Patty Schnyder of Switzerland (6-1, 6-2). In the semifinals, the Belgian plays Serbia-Montenegro's Ana Ivanovic, a straight-set winner over Nathalie Dechy of France (7-6, 6-2).

Clijsters the seventh seed, defeated Elena Bovina of Russia (7-6, 6-3). The Belgian player faces U.S. Open champion Svetlana Kuznetsova of Russia in the semifinals. Kuznetsova beat Italian Silvia Farina-Elia in straight sets (6-3, 6-4).

The clay-court tournament is one of several events players are using to prepare for the second major tournament of the year, the French Open, which starts May 23 in Paris.

Some information for this report provided by AP and AFP.