Juan Monaco 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. Juan Monaco claimed a first win over Stefan Koubek in two meetings, levelling the head-to-head at 1–1.
Monaco J. took it in straight sets.
Monaco J. and Koubek S. faced 1 of the same opponent in the last 12 months. Monaco J. went 0–1 (0%) against them, Koubek S. 0–1 (0%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Juan Monaco beat Stefan Koubek 6-2 6-2. Umpiry, "Juan Monaco vs Stefan Koubek — Hamburg Qualifying Round of 16", https://umpiry.com/match/2007-05-13/koubek-vs-monaco-hamburg-q16?utm_source=cite (as of 13 May 2007).