Vincent Jaensch Mueller defeated Jannis Kahlke 3-6 6-1 6-4 in the Germany F2 qualifying round of 64 on carpet. The upset overturned the form book — Jannis Kahlke came in leading the head-to-head 1–0. Vincent Jaensch Mueller claimed a first win over Jannis Kahlke in two meetings, levelling the head-to-head at 1–1.
Jaensch Mueller V. came through in three sets.
Vincent Jaensch Mueller beat Jannis Kahlke 3-6 6-1 6-4. Umpiry, "Vincent Jaensch Mueller vs Jannis Kahlke — Germany F2 Qualifying Round of 64", https://umpiry.com/match/2016-01-18/kahlke-vs-mueller-germany-f2-q64?utm_source=cite (as of 18 January 2016).