Gergely Kisgyorgy defeated Alberto Banus Sado 6-0 6-1 in the Hungary F3 qualifying round on clay. The upset overturned the form book — Alberto Banus Sado came in leading the head-to-head 2–0. Gergely Kisgyorgy claimed a first win over Alberto Banus Sado in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-25 | Yugoslavia F3 | QF | clay | Alberto Banus Sado | 6-4 6-7 7-6 |
| 1997-07-12 | Hungary Masters 2 | SF | clay | Alberto Banus Sado | 6-1 4-6 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.