Guillaume Marx defeated Gianluca Luddi 7-5 6-3 in the Italy F12 semi-final on clay. The upset overturned the form book — Gianluca Luddi came in leading the head-to-head 1–0. Guillaume Marx claimed a first win over Gianluca Luddi in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-06-07 | Italy F11 | QF | clay | Gianluca Luddi | 6-2 6-1 |