Defending champion Stan Wawrinka withdrew from next week’s Tokyo event due to a back injury, the tournament announced today.
The World No. 3 Wawrinka has already clinched a berth in the season-ending finals in London.
The tournament also lost Juan Martin del Potro. Two-time champion Kei Nishikori will be the top seed at the event. Gael Monfils, Marin Cilic and Tomas Berdych are also in the field.
You Might Like:
Kim Clijsters Withdraws From US Open Title Defense
Andy Murray Withdraws From The Olympic Singles
Stan Wawrinka Withdraws From Rotterdam Due To A Knee Injury
Stan Wawrinka Withdraws From Metz Due To A Right Ankle Sprain
Rafael Nadal Withdraws from Paris Masters