Oliver Marach defeated Orest Tereshchuk 6-4 6-3 in the St. Petersburg round of 32 on hard. The result followed the form book — Oliver Marach came in leading the head-to-head 1–0. Oliver Marach extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-05-01 | Turkey 1 Masters 3 | R32 | clay | Oliver Marach | 5-7 6-4 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.