Rafael Nadal is hoping that playing in the United Cup will give him the confidence boost he needs as he looks to defend his Australian Open title next month after being plagued by injuries in 2022. The 36-year-old won the Australian and French Open trophies this year to increase his Grand Slam haul to a men’s record 22 but he required pain-numbing injections on his foot during his run to the Roland Garros title and then had to withdraw from his Wimbledon semi-final with an abdominal injury.
