Guillaume Marx defeated Matteo Colla 4-6 6-4 6-4 in the Italy 2 4 round of 16 on clay. The result followed the form book — Guillaume Marx came in leading the head-to-head 3–1. Guillaume Marx extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2001-06-11 | Italy F7 | QF | clay | Matteo Colla | 6-4 6-0 |
| 2001-05-07 | Italy F2 | SF | clay | Guillaume Marx | 6-2 7-5 |
| 1999-07-12 | France F7 | SF | clay | Guillaume Marx | 6-3 6-0 |
| 1999-05-31 | Italy F10 | QF | clay | Guillaume Marx | 6-4 6-2 |