ATP Challenger Tour en Twitter: "A great warrior with the heart of a champion. Farewell to a legend. 😊 After 18 years, Paolo Lorenzi announced his retirement from professional tennis. The 🇮🇹
![ATP Brazil Open: Federico Delbonis recovers from a set down to beat Paolo Lorenzi | Tennis News | Sky Sports ATP Brazil Open: Federico Delbonis recovers from a set down to beat Paolo Lorenzi | Tennis News | Sky Sports](https://e0.365dm.com/14/02/2048x1152/federico-delbonis_3090845.jpg)
ATP Brazil Open: Federico Delbonis recovers from a set down to beat Paolo Lorenzi | Tennis News | Sky Sports
![Umag, Croatia. 23rd July, 2015. (Italy) Paolo Lorenzi during the singles match Lorenzi v Kohlschreiber at the ATP 26th Konzum Croatia Open Umag tournament at the Stadion Stella Maris, on July 23, Umag, Croatia. 23rd July, 2015. (Italy) Paolo Lorenzi during the singles match Lorenzi v Kohlschreiber at the ATP 26th Konzum Croatia Open Umag tournament at the Stadion Stella Maris, on July 23,](https://c8.alamy.com/comp/EY7RKC/umag-croatia-23rd-july-2015-italy-paolo-lorenzi-during-the-singles-EY7RKC.jpg)