Konstantin Don Gruber defeated Fabio Colangelo 3-6 6-3 6-3 in the Italy F10 round of 16 on clay. The result followed the form book — Konstantin Don Gruber came in leading the head-to-head 1–0. Konstantin Don Gruber extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2005-10-03 | Italy F33 | QF | hard | Konstantin Don Gruber | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.