Rafter used one of these
I dont think this is the first time a Bosworth racquet has been used on the ATP Tour. I remember Rafter using an Octagonal racquet when he was still with Prince. It had the P on the strings but i beleive it was a version of this very racquet.
Head PT57A S.E 3 Ti Radical paint job.
Experimenting with strings @ 48lbs