PHOTO OP: JJ gives her best power shot - or so it seems

So Rafael Nadal was spotted performing his best "deep throat" with the tennis ball the other day during practice. Fine.

But Jelena Jankovic seems to have found a completely new use for the balls in Beijing and I'm not even sure that's legal.

What the hell is going on her people? Do tell!

*Via Down the Line!

(image via Getty)