Kvitova and Keys join Konta in line-up for LTA Nature Valley Classic in Birmingham The LTA have announced that defending champion Petra Kvitova and former winner Madison Keys will join British No.1 Johanna Konta in what is set to be a star-studded player field at the LTA’s Nature Valley Classic Birmingham. The tournament, which will take place from 15th - 23rd … [Read more...] about Kvitova and Keys join Konta in line-up for LTA Nature Valley Classic in Birmingham