100 Matches and Counting for Roger Federer at US Open, But is There Cause for Concern for The Swiss?

Federer's 3-6, 6-2, 6-3, 6-4 second-round win over 99th-ranked Damir Dzumhur suggests it could be a struggle for the 20-time grand slam winner to get to an appetizing rematch with men's favorite Novak Djokovic in the US Open 2019 semifinals.

from Top Sports News- News18.com https://ift.tt/2ZAYwil