Mattias Siimar defeated Vladimir Ivanov 6-4 3-6 6-2 in the M15 Parnu 1 semi-final on clay. The upset overturned the form book — Vladimir Ivanov came in leading the head-to-head 2–0. Mattias Siimar claimed a first win over Vladimir Ivanov in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-10-31 | Estonia F3 | R32 | hard | Vladimir Ivanov | 6-0 6-4 |
| 2015-11-09 | Estonia F4 | R16 | hard | Vladimir Ivanov | 6-4 6-7(5) 6-2 |
Averages over each player's completed matches in the selected window (1 vs 1). 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. Small sample — read as indicative. About