The former Roland Garros semifinalist is not feeling 100 percent fit after losing in Lyon on Wednesday.
The German was in fine form until the accident.
Milos Raonic and Heather Watson model New Balance's French Open fashions.
The 23-year-old is currently rehab but appears to be a longshot to play in Paris.
The Russian reached the Toronto final in 2009.
Mats Wilander doesn't see the 34-year French men's drought ending anytime soon.
See what happens when string becomes a movement.