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
2014 French Open title and his 14th Grand Slam title. The victory made Nadal the first tennis player to have won 5 consecutive French Open titles, in addition to becoming the only man with at least one Grand Slam title in 10 consecutive years. Serena Williams was the defending women's singles champion. Williams failed to defend her title, losing to Garbiñe Muguruza in the second round. Maria Sharapova won the women's singles, defeating Simona Halep to win her second French Open title and her 5th Grand Slam title. This was first time that both singles winners of the Australian Open (Li Na and