Rebecca Peterson defeated Maria Joao Koehler 6-4 6-0 in the POR vs SWE round robin on hard.
Peterson R. took it in straight sets.
Rebecca Peterson beat Maria Joao Koehler 6-4 6-0. Umpiry, "Rebecca Peterson vs Maria Joao Koehler — POR vs SWE Round Robin", https://umpiry.com/match/2018-02-10/koehler-vs-peterson-por-vs-swe-rr?utm_source=cite (as of 10 February 2018).