Jan Lennard Struff defeated Gilles Muller 7-6 6-7 7-6 in the Germany F4 round of 32 on carpet. The upset overturned the form book — Gilles Muller came in leading the head-to-head 1–0. Jan Lennard Struff claimed a first win over Gilles Muller in two meetings, levelling the head-to-head at 1–1.
Struff J. came through in three sets.
Jan Lennard Struff beat Gilles Muller 7-6(5) 6-7(3) 7-6(6). Umpiry, "Jan Lennard Struff vs Gilles Muller — Germany F4 Round of 32", https://umpiry.com/match/2010-02-01/muller-vs-struff-germany-f4-r32?utm_source=cite (as of 1 February 2010).