Overview

• Tiafoe retired at 6-4, 3-1 after a lower back issue hampered his serve following treatment at 4-5 in the opening set.
• The match marked the third career meeting between the pair and their first since Tiafoe’s three-set victory in last year’s Cincinnati semifinal.
• Rune carried momentum into the contest with straight-set wins over Roman Safiullin and Alex Michelsen in earlier rounds.
• He will face either fourth seed Taylor Fritz or qualifier Terence Atmane for a place in the Cincinnati semifinals.
• Top seed Jannik Sinner is set to meet qualifier Adrian Mannarino in the final Round of 16 match, holding a 3-0 head-to-head lead.