Federico Iannaccone defeated Alexander Weis 6-1 6-4 in the Vicenza CH qualifying round 1 on clay. The upset overturned the form book — Alexander Weis came in ranked #564, leading the head-to-head 4–1. Federico Iannaccone narrowed the head-to-head to 4–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-09-30 | M25 Santa Margherita di Pula 9 | R32 | clay | Alexander Weis | 6-3 6-4 |
| 2025-07-26 | M15 Segrate 1 | QF | clay | Alexander Weis | 7-6(3) 6-3 |
| 2024-11-15 | M15 San Gregorio di Catania 2 | QF | clay | Federico Iannaccone | 6-3 3-0 |
| 2022-10-20 | M25 Santa Margherita di Pula 11 | QF | clay | Alexander Weis | 4-6 6-1 6-1 |
| 2021-06-22 | M15 Bergamo 1 | Q16 | clay | Alexander Weis | 6-2 6-4 |
Averages over each player's completed matches in the selected window (146 vs 135). ATP, WTA & Challenger.
Weis A.: 9 days rest · 3 matches (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About