Denis Istomin defeated Evgeny Korolev 6-3 4-6 6-2 0-6 6-3 in the KAZ vs UZB round robin on clay. The upset overturned the form book — Evgeny Korolev came in leading the head-to-head 2–0. Denis Istomin claimed a first win over Evgeny Korolev in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-09-21 | Metz | R16 | hard | Evgeny Korolev | 3-6 7-5 7-6 |
| 2006-10-09 | Moscow | R32 | hard | Evgeny Korolev | 7-6 6-7 6-3 |
Averages over each player's completed matches in the selected window (200 vs 16). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About