Yannick Mertens defeated Maxime Authom 7-5 6-4 in the Bulgaria F4 semi-final on clay. The upset overturned the form book — Maxime Authom came in leading the head-to-head 2–0. Yannick Mertens claimed a first win over Maxime Authom in three meetings, narrowing the head-to-head to 2–1.
Mertens Y. took it in straight sets.
Yannick Mertens beat Maxime Authom 7-5 6-4. Umpiry, "Yannick Mertens vs Maxime Authom — Bulgaria F4 Semi-final", https://umpiry.com/match/2008-05-26/authom-vs-mertens-bulgaria-f4-sf?utm_source=cite (as of 26 May 2008).