Wozniak A. vs Lepchenko V. prediction

This Canadian WTA Quebec City game match up, will see once dominate tennis player; 30 years old Wozniak Aleksandra going head to head against 31 years old left handed tennis player Lepchenko Varva. Wozniak have the edge over her opponent winning 2 of the previous 3 games. But Wozniak has been playing poorly in recent time, losing her last 3 games, so I could understand the bookies overpricing her, but prior to those loses, she won 6 in a row, I will back Wozniak +5.5 games.