Alberto Contador extended his lead over nearest challenger Andy Schleck to 39 seconds in Saturday 's time trial .
Alberto Contador sunday sipped a glass of champagne en route to the Champs - Elysees and held up three fingers to signal his probable third Tour win .
Alberto Contador , who Sunday sipped a glass of champagne en route to the Champs - Elysees and held up three fingers to signal his probable third Tour win , extended his lead over nearest challenger Andy Schleck to 39 seconds in Saturday 's time trial .