Alex Knaff
Alex Knaff is a Luxembourgish tennis player.
Knaff has a career high ATP singles ranking of 1173 achieved on 27 August 2018. He also has a career high ATP doubles ranking of 997 achieved on 10 December 2018.
Knaff represents Luxembourg at the Davis Cup, where he has a W/L record of 5–4.
Knaff plays college tennis at Florida State University.