Samantha Stosur vs. Elena Vesnina
Coming off a disappointing Istanbul, Vesnina will attempt to brush that away with a win over Stosur. It doesn't bode well for the lower ranked Russian as she was the weak link in the doubles match final. Committing numerous crucial errors and dragging Makarova down, Vesnina didn't deserve to win the final. She might also be suffering from a hangover from the disastrous showing there, so I expect Stosur to even the heads to heads. Playing indoors will definitely help Samantha with less elements to disrupt her serve and whippy strokes.
Pick: Stosur in 2 sets
Simona Halep vs. Alize Cornet
Simona Halep has won 5 titles this year and looks good to add another title here in Sofia. Against Cornet, she will stand as the firm favourite, even though Alize has a win under her belt. Simona's lightning quick court coverage will make Alize go for her shots, something which she is not used to. Also, Simona's forehand will murder Cornet's loopy forehand. I expect a quick win for the Romanian without much drama.
Pick: Halep in 2 sets
Elina Svitolina vs. Anastasia Pavlyuchenkova
As expected, Kirilenko's injury flared up and Svitolina was called in for a replacement. Anyway, Pavlyuchenkova will beat anyone who's not named Halep in her group, so this match is a forgone conclusion. Elina probably is just happy to be there and not fully prepared for this match. Look out for an easy win for the Russian.
Pick: Pavlyuchenkova in 2 sets