American world number four Jessica Pegula reaches the semifinals of the Berlin Open after defeating compatriot Madison Keys in straight sets. Both outlets report that Pegula wins 7-6 (7/5), 7-6 (10/8) in sweltering conditions in Berlin. The match is closely contested, with the first set tied at 6-6 and decided by a tiebreak. Sources say each player breaks serve once in the opening set, and Pegula takes the tiebreak to go up by winning the set. In the second set, Keys fights back after Pegula builds an early advantage, and the set again ends in a tiebreak. Pegula ultimately prevails in the second tiebreak to secure her place in the semifinals. Both reports also note the significance of the matchup beyond rankings, describing Pegula and Keys as close friends and podcast co-hosts, and mention it is their first meeting since Pegula ended Keys’ title defense at the Australian Open in January.