No.1 seeds Andrea Hlavackova and Lucie Hradecka, as well as No.2 seeds Nadia Petrova and Katarina Srebotnik, lost their doubles openers at the Mutua Madrid Open.
Former Top 10 players Daniela Hantuchova, Francesca Schiavone and Flavia Pennetta all played their first round matches on Wednesday, but only two of them survived - which one was ousted?
Serena Williams will play Flavia Pennetta in her opening match on Thursday. The two players both share a piece of history with Steffi Graf - what did they achieve? All that and more right here.
Ayumi Morita battled back from a 61 41 deficit to win her first round match at the Sony Open Tennis. Elsewhere, Serena Williams' first opponent is now known, and it could be a very tricky one.
Grand Slam champions and former Top 5 players Svetlana Kuznetsova and Francesca Schiavone won their first round matches at the BNP Paribas Open on Wednesday. They both play former No.1s next.
Watch video from Day 1 of the Abierto Mexicano TELCEL, including on-court highlights from Sesil Karatantcheva and Lourdes Domínguez Lino's wins. Also a beach photo shoot and the White Party.
Flavia Pennetta edged Alexandra Panova at the Copa Claro Colsanitas in the Italian's first match since August. Fellow Italian Francesca Schiavone also moved on.