Roger Federer had a great run in 2019, winning the Masters 1000 crown and wasting two match points in that epic Wimbledon final against Novak Djokovic. The 38-year-old tennis player finished the season inside the top-3 and reached the semifinal of the Australian Open in January 2020.In the end, it was Roger’s last tournament before a knee injury, which he underwent surgery for and finished the season after undergoing another procedure in May. The Swiss returned to the courts in March 2021, reaching the quarterfinals in Doha and scoring three wins at Roland Garros.Saving his knee for the grass season, Roger withdrew from Paris before the clash with Matteo Berrettini and entered Halle. He experienced the earliest exit in history at this event against Felix Auger-Aliassime in the sec …