Abu Dhabi - Novak Djokovic and Stan Wawrinka are due to make
their competitive return after six months out injured in Abu Dhabi in December.
The former world number ones have not played since
Wimbledon, with Djokovic nursing a long-term elbow problem and Wawrinka
undergoing knee surgery.
They will join among others Rafael Nadal in the December
28-30 Mubadala World Tennis Championship, organisers of the exhibition
tournament announced on Tuesday.
Twelve-time Grand Slam winner Djokovic, who became a father
for the second time last month, called time on his season after struggling on
and off for 18 months with a right elbow injury.
The 30-year-old Serb, a three-time winner of the Abu Dhabi
event, said: "The line-up is very strong as always and it will be the
perfect way to make my comeback and begin the season."
Swiss star Wawrinka, 32, missed his US Open title defence
when undergoing knee surgery in August.
The three-time Grand slam winner said: "My recovery is
going well and I can't wait to be back on court. I'm working hard together with
my team and looking forward to being back."
Wawrinka was last seen on court suffering a first round loss
to Russia's Daniil Medvedev at Wimbledon, while Djokovic called time on his
season after retiring injured from his Wimbledon quarter-final against Tomas
Joining them in Abu Dhabi will be Dominic Thiem, Milos
Raonic and Pablo Carreno Busta.