Bastian Knittel defeated Yann Marti 6-2 6-2 in the Germany F1 semi-final on carpet. The upset overturned the form book — Yann Marti came in leading the head-to-head 1–0. Bastian Knittel claimed a first win over Yann Marti in two meetings, levelling the head-to-head at 1–1.
Knittel B. took it in straight sets.
Carpet: Knittel B. leads 1–0 · Hard: Marti Y. leads 1–0
Bastian Knittel beat Yann Marti 6-2 6-2. Umpiry, "Bastian Knittel vs Yann Marti — Germany F1 Semi-final", https://umpiry.com/match/2014-01-06/knittel-vs-marti-germany-f1-sf?utm_source=cite (as of 6 January 2014).