Jiri Lehecka defeated Frances Tiafoe 6-4 in the Stuttgart quarter-final on grass. The upset overturned the form book — Frances Tiafoe came in ranked #8, leading the head-to-head 2–1. That levelled the head-to-head at 2–2.
Lehecka J. won the match.
Lehecka J. and Tiafoe F. faced 2 of the same opponents in the last 12 months. Lehecka J. went 1–1 (50%) against them, Tiafoe F. 0–2 (0%).
Only 2 common opponents — too few for any conclusion. Shown without assessment.
Grass: level 1–1 · Hard: level 1–1
Jiri Lehecka beat Frances Tiafoe 6-4. Umpiry, "Jiri Lehecka vs Frances Tiafoe — Stuttgart Quarter-final", https://umpiry.com/match/2026-06-12/lehecka-vs-tiafoe-stuttgart-qf?utm_source=cite (as of 12 June 2026).