Nicholas David Ionel defeated Vasil Kirkov 6-3 6-3 in the M15 Heraklion 3 semi-final on hard. The upset overturned the form book — Vasil Kirkov came in leading the head-to-head 1–0. Nicholas David Ionel claimed a first win over Vasil Kirkov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2020-03-04 | M15 Heraklion 4 | R32 | hard | Vasil Kirkov | 7-5 6-3 |
Averages over each player's completed matches in the selected window (200 vs 72). 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