Umberto Giovannini defeated Leonardo Taddia 4-6 6-4 11-9 in the M25+H Bacau 1 q64 on clay. The upset overturned the form book — Leonardo Taddia came in leading the head-to-head 1–0, but Umberto Giovannini had been the form player, winning 2 of their last 4 on clay. Umberto Giovannini claimed a first win over Leonardo Taddia in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-04-30 | M25 Santa Margherita di Pula 5 | Q32 | clay | Leonardo Taddia | 3-6 7-5 10-6 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.