Michele Vianello defeated Domagoj Biljesko 2-6 6-4 10-6 in the M25 Skopje 1 qualifying round of 32 on clay. The upset overturned the form book — Domagoj Biljesko came in leading the head-to-head 1–0. Michele Vianello claimed a first win over Domagoj Biljesko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-06-01 | M15 Sarajevo 1 | Q16 | clay | Domagoj Biljesko | 6-3 6-4 |
Averages over each player's completed matches in the selected window (10 vs 83). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About