i dont think the RBK's would last very long on tennis court type surfaces.. if it was sport court thats a different story. but id try something like this,
Street hockey equipment by CCM, Mylec & Tour at Hockey1.com
i havent shopped around for you for the best price, i just remembered the pad and thats the first thing google came up with. but ive had these pads for about 2 years now, replacing them with RBK 6k "turco break" pads in june. but they served me well for the price of them