Katie Boulter retires injured from Lyon Open last-16 match

Katie Boulter has risen from 149th in the world at the beginning of the year to 136th

British number four Katie Boulter has retired from the Lyon Open while trailing her last-16 match against Hungary's Anna Bondar 6-3 0-0.

However, she struggled late in the first set against Bondar, losing her final two service games.

After a medical timeout, she retired with what appeared a left-leg injury.