Tim Sandkaulen defeated Domagoj Biljesko 3-6 6-1 6-2 in the M15 Heraklion 9 round of 32 on hard. The upset overturned the form book — Domagoj Biljesko came in leading the head-to-head 1–0. Tim Sandkaulen claimed a first win over Domagoj Biljesko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2015-03-23 | Croatia F6 | Q64 | clay | Domagoj Biljesko | 6-3 6-4 |
Averages over each player's completed matches in the selected window (41 vs 63). 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