This is not what Petra Kvitova and Sara Errani envisioned at the Australian Open. But they find themselves on an early flight home.
At the age of 32, Serena Williams ended the best season of her career with a win at the WTA Championships. The question is: How much longer can she keep it up?
It's no surprise that Serena Williams still alive at the WTA Championships, but the other three women have a lot to prove.
There are questions aplenty heading into Wimbledon, but for you, we've narrowed it down to the top 10.