Some are dressed in the red and white of the Swiss flag, others are sporting the “RF” monogram somewhere on their person – on earrings, t-shirts, bags, caps, tattooed on body parts.

Roger Federer, the most successful tennis player of all time, is proving to be a particularly popular at the turnstiles at this year’s Wimbledon.

Roger Federer And The RF Logo: Nike Holds Legal Advantage, Expert Says. By Pradhan Muthanna Published 08/01/18 AT 4:04 AM EDT.

Federer and Nike created the blueprint for player logo branding in tennis. The famed RF began as a monogram that Federer’s wife Mirka designed for a fragrance launch in 2003.

An RF-monogrammed zip-up with gold piping, the jacket sported the number 15 – the record-breaking total of grand slam titles Federer had won upon his match victory – in cursive embroidery.