Evgeny Korolev defeated Stefan Koubek 6-2 6-2 in the Hamburg qualifying round of 16 on clay. The upset overturned the form book — Stefan Koubek came in leading the head-to-head 1–0. Evgeny Korolev claimed a first win over Stefan Koubek in two meetings, levelling the head-to-head at 1–1.
Korolev E. took it in straight sets.
Korolev E. and Koubek S. faced 1 of the same opponent in the last 12 months. Korolev E. went 0–1 (0%) against them, Koubek S. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Clay: Korolev E. leads 1–0 · Hard: Koubek S. leads 1–0
Evgeny Korolev beat Stefan Koubek 6-2 6-2. Umpiry, "Evgeny Korolev vs Stefan Koubek — Hamburg Qualifying Round of 16", https://umpiry.com/match/2009-07-19/korolev-vs-koubek-hamburg-q16?utm_source=cite (as of 19 July 2009).