Christopher Kas defeated Matteo Colla 7-5 5-7 6-4 in the Italy F11 round of 16 on hard. The upset overturned the form book — Matteo Colla came in leading the head-to-head 2–1. Christopher Kas narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-05-12 | Italy F7 | R16 | clay | Matteo Colla | 6-1 7-6(7) |
| 2002-05-27 | Italy 3 1 | QF | clay | Christopher Kas | 7-6(6) 3-0 |
| 2001-08-20 | Italy 4 4 | SF | clay | Matteo Colla | 6-1 2-6 7-5 |