20-time Grand Slam champion Roger Federer wore this shirt at the 2021 Qatar ExxonMobil Open in Doha. The tournament marked Federer’s return to official ATP tennis for the first time since the 2020 Australian Open. Federer won his first match in a battle against British Dan Evans, before losing to eventual champion Nikoloz Basilashvili in a 3-set battle in the quarterfinals. Federer has also signed this shirt across the chest of this match worn Uniqlo shirt, and it comes with a Certificate of Authenticity from the Roger Federer Foundation. The shirt is custom made for Federer and does not have a listed size.