2016 US Open – Women's Singles No. 1 ranking at the start of the tournament. Former world No. 1 and 2008 French Open champion Ana Ivanovic played the final match of her professional career in the first round, when she lost to Denisa Allertová. She would announce her retirement prior to the 2017 season because of ongoing injuries. 2016 US Open – Women's Singles Flavia Pennetta was the defending champion, but retired from professional tennis at the end of the 2015 season. Angelique Kerber won the title, defeating Karolína Plíšková in the final, 6–3, 4–6, 6–4. It was Kerber's second Grand Slam singles title. She became
2018 Australian Open – Women's singles final only double fault of the match from the Romanian) to reach championship point at 40-30. Wozniacki won the point, the match and the championship, after Halep hit a backhand into the net. 2018 Australian Open – Women's singles final The 2018 Australian Open Women's Singles final was the championship tennis match of the Women's Singles tournament at the 2018 Australian Open. It was contested between the world's top two players, Simona Halep and Caroline Wozniacki, then ranked first and second in the world respectively. They had both been world number one without winning a Grand Slam title, and they had