Lenny Hampel defeated Geronimo Espin Busleiman 6-3 6-4 in the Italy F3 round of 32 on clay. The upset overturned the form book — Geronimo Espin Busleiman came in leading the head-to-head 1–0. Lenny Hampel claimed a first win over Geronimo Espin Busleiman in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-19 | Italy F4 | QF | clay | Geronimo Espin Busleiman | 7-5 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.