Stan Wawrinka, at 39 years old, has made history by becoming the oldest semifinalist in Stockholm tournament history after defeating top seed Andrey Rublev in a thrilling match that ended 7-6, 7-6. Wawrinka's victory is notable as it marks his first Top 10 win in over a year and showcases his resilience, having saved set points during the match. In addition to Wawrinka's success, other notable results include Karen Khachanov advancing in Almaty and Paula Badosa reaching the semifinals in Ningbo. Wawrinka expressed his joy at competing at this level, emphasizing the positive energy he feels on court. The tournament has seen several upsets, including Frances Tiafoe's early exit. As Wawrinka prepares for his next match, he continues to defy age and expectations in the ATP circuit.