Ahead of the Porsche Tennis Grand Prix in Stuttgart, wtatennis.com caught up with Brazilian No. 1 Beatriz Haddad Maia, as she hopes hard work will propel her to another exceptional clay-court swing.

And for ready inference, the US Open controversial match between Anna Kalinskaya and Beatriz Haddad Maia is the proof. A controversial umpire call that led to their eventual defeat against Maia ...