Overview

• Rune had enlisted eight-time Grand Slam champion Andre Agassi for a three-day training block and secured his mentorship at the Citi Open ahead of the US Open swing
• He posted on social media that his back locked up during practice, leaving him unfit to face Alexander Muller in the round of 32
• Rune praised Agassi’s “very, very wise” insights on his return game and strategic focus to stabilize his season after frequent coaching changes
• Former US Open champion Andy Roddick lauded Agassi’s voluntary role, noting his feedback carries extra weight since he “doesn’t need the job”
• The withdrawal raises questions about Rune’s readiness as he shifts his focus to recovery and preparation for the summer hard-court tour