The Belarussian is into her first career semifinal after downing third-seeded Stephens.
World No. 3 joins Ekaterina Makarova, Anastasia Pavlyuchenkova and Elena Vesnina for November final vs. Czech Republic.
World No. 19 to work with Davin, Juan Martin del Potro's former coach, during Asian swing.
The Stanimal gets a rare treat from a fan in the first row at Metz.
Ahead of their Bangkok exhibition next week, we review memorable Nole-Rafa exhibition highlights.
"I don't know what it is she's eating or drinking, but I need to get on that!" Stephens said of eternally-young Japanese.
Defending Tokyo champion reverses course to pull off a slick improvised passing shot.