Roger Federer: Why French Open star may have concerning issue with Oscar Otte

ROGER FEDERER will enter unknown territory when he takes on Oscar Otte at the French Open this afternoon - and he could have a big problem.

from Daily Express :: Tennis Feed https://www.express.co.uk/sport/tennis/1133420/Roger-Federer-French-Open-Oscar-Otte-Malek-Jaziri
via Express