Christian Dillschneider defeated Alan Mackin 6-2 6-4 in the Italy 3 1 round of 16 on clay. The upset overturned the form book — Alan Mackin came in leading the head-to-head 1–0. Christian Dillschneider claimed a first win over Alan Mackin in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-18 | Italy 3 4 | QF | clay | Alan Mackin | 6-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.