Jan Lennard Struff defeated Diego Schwartzman 6-3 7-6 in the ARG vs GER round robin on hard. The upset overturned the form book — Diego Schwartzman came in leading the head-to-head 1–0. Jan Lennard Struff claimed a first win over Diego Schwartzman in two meetings, levelling the head-to-head at 1–1.
Struff J. took it in straight sets.
Struff J. and Schwartzman D. faced 10 of the same opponents in the last 12 months. Struff J. went 6–6 (50%) against them, Schwartzman D. 7–4 (64%). Results against comparable opponents are close (1 : 3 better-results split).
Hard: Struff J. leads 1–0 · Clay: Schwartzman D. leads 1–0
Jan Lennard Struff beat Diego Schwartzman 6-3 7-6. Umpiry, "Jan Lennard Struff vs Diego Schwartzman — ARG vs GER Round Robin", https://umpiry.com/match/2019-11-20/schwartzman-vs-struff-arg-vs-ger-rr?utm_source=cite (as of 20 November 2019).