Jan Weinzierl defeated Alan Mackin 6-1 6-4 in the Croatia 1 2 qualifying round on clay. The upset overturned the form book — Alan Mackin came in leading the head-to-head 1–0. Jan Weinzierl claimed a first win over Alan Mackin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-03-07 | Croatia 1 4 | QF | clay | Alan Mackin | 6-3 7-5 |
Averages over each player's completed matches in the selected window (1 vs 10). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About