Seven-time Western & Southern Open champion Roger Federer has withdrawn from the 2021 tournament due to a knee injury, the tournament announced Thursday.
A 20-time major champion, Federer, 39, is the winningest player at the W&S Open with a 47-10 record. The most recent of his record seven championships came in 2015 when he successfully defended his title.
It’s the second straight W&S Open Federer has withdrawn.
Six former men’s champions and five past women’s champions remain entered in the W&S Open field.
Western & Southern Open:Caty McNally, Coco Gauff bring ‘McCoco’ doubles team to Western & Southern Open
On the men’s side, there are two-time champions Novak Djokovic (2020, 2018) and Andy Murray (2011, 2008) along with Daniil Medvedev (2019), Grigor Dimitrov (2017), Marin Cilic (2016) and Rafael Nadal (2013).
On the women’s side, there are two-time winners Serena Williams (2015, 2014) and Victoria Azarenka (2020, 2013) as well as Madison Keys (2019), Garbine Muguruza (2017) and Karolina Pliskova (2016).