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
Japan Open (tennis) Japan Open (tennis) The Japan Open (currently sponsored by Rakuten) is a men's tennis tournament held in Ariake Tennis Forest Park with its center court Ariake Coliseum, located in Koto, Tokyo, Japan. In 2018, the venue switched to the Musashino Forest Sports Plaza as the Ariake Coliseum is being renovated for the tennis events at the 2020 Summer Olympics. Held since 1972, the championship includes men's singles and doubles competitions. From 1979 until 2008 the Japan Open was a joint tournament for both men and women. This is no longer the case in the aftermath of the Ariake Coliseum hosting