She snapped the title-winning trend this season in Stuttgart, and you named Petra Kvitova your Player of the Month in April.
The Czech became the first player to win two titles this season by winning the Porsche Tennis Grand Prix last month, joining her Premier-level trophy from the Sydney International in January.
The Czech defeated qualifier Greet Minnen in the opening round before coming from a set down to defeat Anastasija Sevastova in the quarterfinals.
Her form continued with a three-set win over Kiki Bertens in the final four, before she ousted Anett Kontaveit in the championship match to seal her second title of the year.
Final Results for April's Player of the Month
1. Petra Kvitova
2. Petra Martic
3. Madison Keys
How it works:
Finalists are selected by wtatennis.com
Winner is then determined by a fan vote on wtatennis.com