Sebastian Baez vs Grigor Dimitrov — R128 — Cincinnati Open

The break points sorted this one out. Baez converted three of six while Dimitrov, at 50 percent behind his first ball, took only three of nine and coughed up seven double faults, four in the deciding set. The turn came from a break down. Baez broke back in game 7 for 3-4, then again in game 9 for 5-4, and won the match having taken 72 of 151 points — fewer than the man across the net. Dimitrov, the 35-year-old Bulgarian wild card the bet365 market made a 59 percent favorite, leaves Cincinnati in his opening match at ATP No. 137, down from No. 47 to start the season; Baez, 8-5 on hard courts this year, needed 1 hour, 47 minutes.