Anna Kournikova “The Biggest Loser” Oct. 5

Tennis champ Anna Kournikova will appear on the Oct. 5 episode of the NBC weight loss reality drama The Biggest Loser, now in its 10th season, TV Guide reported on Wednesday.

The stunning Russian athlete and model — a favorite pin-up for men’s mag fans — will guide the remaining 15 contestants in a tennis workout as they compete to win the coveted $1 million cash prize for losing the most weight.

Kournikova is just the latest in a succession of professional athletes have appeared on Loser, including retired Arizona Cardinals quarterback Kurt Warner (Season 7) and Dallas Cowboys quarterback Tony Romo, who dropped by for a guest appearance during Season 9.