Jan Lennard Struff defeated Matthias Kolbe 6-2 5-7 6-3 in the Germany F2 round of 32 on hard. The result followed the form book — Jan Lennard Struff came in leading the head-to-head 2–0. Jan Lennard Struff extended the head-to-head to 3–0.
Struff J. came through in three sets.
Jan Lennard Struff beat Matthias Kolbe 6-2 5-7 6-3. Umpiry, "Jan Lennard Struff vs Matthias Kolbe — Germany F2 Round of 32", https://umpiry.com/match/2011-01-17/kolbe-vs-struff-germany-f2-r32?utm_source=cite (as of 17 January 2011).