Paris ? Venus and Serena Williams will be playing in their first French Open semifinals today.

“Without a doubt, they’re the two best movers on the tour: Serena and Venus. That’s obvious,” Monica Seles said after her quarterfinal loss to the elder sister. “That’s one of the biggest advantages they have, just their physical strength and height and power.”

Serena plays defending champion Jennifer Capriati, and Venus faces 87th-ranked Clarisa Fernandez, but not until after the completion of three men’s quarterfinals held over by rain.

Downpours resulted in six hours of delays and eventually washed out play Wednesday after a total of just 36 minutes in Andre Agassi’s quarterfinal against 11th-seeded Juan Carlos Ferrero. The Spaniard leads 6-3, 1-0.

In addition to Agassi-Ferrero, Wednesday’s schedule was supposed to include Marat Safin against Sebastien Grosjean, and the conclusion of the quarterfinal between Alex Corretja and Andrei Pavel that was suspended by in the third set Tuesday.