Stefan Seifert defeated Niels Desein 6-1 6-4 in the Belgium F4 semi-final on hard. The upset overturned the form book — Niels Desein came in leading the head-to-head 1–0, but Stefan Seifert had been the form player, winning 3 of their last 5 on hard. Stefan Seifert claimed a first win over Niels Desein in two meetings, levelling the head-to-head at 1–1.
Seifert S. took it in straight sets.
Hard: Seifert S. leads 1–0 · Clay: Desein N. leads 1–0
Stefan Seifert beat Niels Desein 6-1 6-4. Umpiry, "Stefan Seifert vs Niels Desein — Belgium F4 Semi-final", https://umpiry.com/match/2011-07-18/desein-vs-seifert-belgium-f4-sf?utm_source=cite (as of 18 July 2011).