Wimbledon champion Jannik Sinner has rehired former fitness coach Umberto Ferrara. Sinner had parted ways with Ferrara following a doping investigation, but Ferrara's return aligns with Sinner's renewed focus on upcoming tournaments.

Jannik Sinner has reappointed Umberto Ferrara as his fitness coach after nearly a year apart, following the player’s doping controversy.

Tennis world No 1 Jannik Sinner has brought back fitness trainer Umberto Ferrara to his coaching staff, despite Ferrara's central involvement in the doping controversy that resulted in a three-month suspension for the Italian player.