Tennis: Kvitova outlasts Bertens for 3rd Madrid Open title

Czech Republic's Petra Kvitova lifts up her trophy after winning against The Netherlands' Kiki Bertens during a Madrid Open tennis tournament final match in Madrid, Spain, Saturday, May 12, 2018. Kvitova won 7-6 (6), 4-6 and 6-3. (AP Photo/Francisco Seco)

MADRID — When Petra Kvitova thought she couldn’t go on, the Czech hit the critical shots to finally edge Kiki Bertens and claim a record third Madrid Open title on Saturday.