Caroline Wozniacki has outlasted former World No. 1 Angelique Kerber 7-6 (7-4) 1-6 6-3 in the Qatar Open quarterfinals and ensured she retained the top ranking.
'I didn't want to get in her head.
The injury also forced her out of Romania's Fed Cup tie with Canada last weekend. I felt pain every day, so it wasn't easy to manage it. the MRI shows that I have fluid and also tendinitis at the fourth toe, so I have to take care of it and think about my health first.
The woman Wozniacki beat in Melbourne, Simona Halep, is also through after beating Anastasija Sevastova 6-4, 6-3, keeping alive the possibility of a replay of the Australian Open final.
By contrast, Wozniacki, continued her sensational start to the season beating two-time Grand Slam victor Kerber in three sets. He said that I didn't have enough time to recover.
The 27-year-old Dane triumphed over the Romanian 7-5 6-1, nevertheless, the two-time U.S Open finalist continued to complain about the 17th-ranked doubles player after the match.
The Dane will meet Petra Kvitova in the semifinals after her match against Julia Goerges ended early when the German retired with a hip injury while trailing 6-4, 2-1.
"Defending champion Karolina Pliskova " who beat Wozniacki in last year's Doha final " beat France's Alize Cornet, 6-2, 6-3.
"Today it was worse, and that's why I took this decision".
Halep, who hit 13 winners, then rallied and stormed through the second set without losing a game. "But now I move on to the next one and just start thinking about [Friday]".
"I m more interested in that".
Wozniacki was so upset about the sounds coming from the other side of the net that she complained to French umpire Emmanuel Joseph.
The game became understandably ragged after such a ferocious battle, but Halep regained her composure to convert match point at the second time of asking and book a last-four meeting with Garbine Muguruza.
"I will decide before the tournament if I will be able to play", she said.
"I m happy overall with the match because even though in the first set she played very well, you know, this kind of game and match changes a lot", said Muguruza.