NOLE.LUCKY, as K Z pointed out if your 3D card / chipset is too weak, you'll have to play with the 2D court (u can change that in the "Video" menu).
But you can also try to lower the level of details. Press F9 during the game to cycle through all available LOD.
== Mana Games ==
>> I don't answer Private Message, except if it's really a _Private_ topic <<