Hampered by knee, 2018 champ Osaka loses to Switzerland's Bencic
NEW YORK - Naomi Osaka's achy left knee didn't let her serve without pain, so she didn't practice that key part of her game leading into the U.S. Open. The knee also prevented her…
NEW YORK - Naomi Osaka's achy left knee didn't let her serve without pain, so she didn't practice that key part of her game leading into the U.S. Open. The knee also prevented her…