There was a turn-back-the-clock feel to Day 1 at the 2013 U.S. Open, when both sisters were about as good as can be, dropping a combined four games in Arthur Ashe Stadium.
Angelique Kerber survived some nervous moments before fending off American teenager Madison Keys in the third round of the Australian Open, then got to blow out the candles on a cake to celebrate her 25th birthday.
Belgian tennis players Yanina Wickmayer and Xavier Malisse will have their cases heard at the Court of Arbitration for Sport in May to decide if they broke anti-doping rules.
Caroline Wozniacki moved within one victory of regaining the No. 1 ranking after beating Japan's Ayumi Morita 6-1, 6-0 Thursday to reach the quarterfinals of the Dubai Championships.