who has won the women's singles title in the australian open 2018
2018 Australian Open – Women's Singles Caroline Wozniacki became the first Danish player to win a Grand Slam singles title, defeating Simona Halep in the final, 7–6(7–2), 3–6, 6–4.[1] Wozniacki also regained the WTA no. 1 singles ranking for the first time since 2012.[2] Both finalists saved match points earlier in the tournament: Halep saved three match points against Lauren Davis in the third round and two match points against Angelique Kerber in the semifinals, while Wozniacki saved two match points against Jana Fett in the second round.[3]