Andrea Fiorentini defeated Marlon Vankan 6-3 3-6 6-0 in the M15 Slovenska Bistrica 1 quarter-final on clay. The upset overturned the form book — Marlon Vankan came in ranked #620, leading the head-to-head 1–0. Andrea Fiorentini claimed a first win over Marlon Vankan in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-09-25 | M25 Zlatibor 1 | R32 | clay | Marlon Vankan | 6-3 4-6 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.