Holger Rune faced a setback during his semifinal match against Ugo Humbert at the 2025 Stockholm Open.
Leading 6-4, 2-2, Rune was forced to retire after sustaining an injury to his left leg.
This unexpected development ended his run in the tournament and allowed Humbert to advance to the final.
https://www.sportskeeda.com/tennis/news-rafael-nadal-ben-shelton-boris-becker-send-best-wishes-holger-rune-undergoes-surgery-devastating-injury