ATP tournaments in Rotterdam, Memphis, and Buenos Aires feature Juan Martin del Potro, Kei Nishikori, and David Ferrer.
The first WTA Premier Five event of 2014 features seven of the top 10, including Li Na, Agnieszka Radwanska, Petra Kvitova, and Angelique Kerber.
Plenty of upsets jolted the small ATP tournaments this week, while Fed Cup produced several WTA surprises as well.
Team USA fell behind Italy 2-0 in a Fed Cup quarterfinal, while Andrea Petkovic played the hero for Germany against Dominika Cibulkova.
Eight ties unfold around the world, including Team USA hosting defending champion Italy in Cleveland.
Breaking down ATP 250 draws headlined by Richard Gasquet, Gilles Simon, Jerzy Janowicz, Tommy Haas, Mikhail Youzhny, Fabio Fognini, and Tommy Robredo
Anastasia Pavlyuchenkova, Kei Nishikori, Tomas Berdych, Fabio Fognini, and Ekaterina Makarova achieved notable results this week.
Recaps of Davis Cup first-round action outside the USA-Great Britain tie. Wins by Czech Republic, Japan, Italy, Kazakhstan featured.
Germany, France, and Switzerland booked their quarterfinal berths today, while the other five Davis Cup ties remained in contention.