Torsten Popp defeated Artem Sitak 6-2 6-3 in the Germany F2 qualifying round on hard. The upset overturned the form book — Artem Sitak came in leading the head-to-head 1–0. Torsten Popp claimed a first win over Artem Sitak in two meetings, levelling the head-to-head at 1–1.
Popp T. took it in straight sets.
Torsten Popp beat Artem Sitak 6-2 6-3. Umpiry, "Torsten Popp vs Artem Sitak — Germany F2 Qualifying Round", https://umpiry.com/match/2006-01-09/popp-vs-sitak-germany-f2-qf?utm_source=cite (as of 9 January 2006).