Christoph Negritu defeated Gijs Brouwer 6-2 7-6 in the Germany F1 round of 16 on carpet. The result followed the form book — Christoph Negritu came in ranked #601, leading the head-to-head 1–0. Christoph Negritu extended the head-to-head to 2–0.
Negritu C. took it in straight sets.
Carpet: Negritu C. leads 1–0 · Clay: Negritu C. leads 1–0
Christoph Negritu beat Gijs Brouwer 6-2 7-6(6). Umpiry, "Christoph Negritu vs Gijs Brouwer — Germany F1 Round of 16", https://umpiry.com/match/2018-01-08/brouwer-vs-negritu-germany-f1-r16?utm_source=cite (as of 8 January 2018).