Steffi Graf's then-boyfriend Alexander Mronz stirred controversy in 1989 when he likened women's tennis to "ping pong" and called it a "scandal" that female players earned so much money.
Read More: Katie Boulter’s Love for Boyfriend Alex De Minaur Knows No ... highest-ranked tennis couple since Andre Agassi and Steffi Graf to anime couple comparisons. The entertainment quotient ...