Being royal isn’t just wearing crowns and living in palaces.

The previous royal patron for the club was none other than Queen Elizabeth II.

Kate was wearing a white sleeveless polo and a short, white tennis skirt.

Kate Middleton smiling

She finished the look with a pair of pristine white sneakers.

She wasn’t just dressed for the part, Kate got to work.

She held her own it seemed, with Federer even calling one of her shots “amazing.”

Kate Middleton talking with Roger Federer at Wimbledon