Isner lost 6-4, 6-7 (5), 7-6 (5) to Sam Querrey in the first round of Cincinnati on Monday.

Isner lost 7-6 (5), 7-6 (1) to Karen Khachanov in the third round of Toronto on Thursday.

Isner lost 6-4, 7-6 (6) to Noah Rubin in the second round of Washington on Thursday.

Isner won 5-7, 6-3, 6-4 over Ryan Harrison in the final of Atlanta on Sunday.

Isner lost 7-6 (6), 6-7 (5), 6-7 (9), 6-4, 26-24 to Kevin Anderson in the semifinals of Wimbledon on Friday.