
Hugo Grenier defeated Johannes Haerteis 6-3 6-4 in the Ismaning CH qualifying round 1 on hard. The upset overturned the form book — Johannes Haerteis came in leading the head-to-head 1–0, defending last year's quarter-final. Hugo Grenier claimed a first win over Johannes Haerteis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-02-12 | Switzerland F2 | R32 | carpet | Johannes Haerteis | 4-6 6-3 7-6(4) |
Averages over each player's completed matches in the selected window (199 vs 145). ATP, WTA & Challenger.
Grenier H.: 5 days rest · 1 match, 30 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About