Iga Swiatek defeated Petia Arshinkova 6-0 6-4 in the BUL vs POL round robin on hard.
Swiatek I. took it in straight sets.
Iga Swiatek beat Petia Arshinkova 6-0 6-4. Umpiry, "Iga Swiatek vs Petia Arshinkova — BUL vs POL Round Robin", https://umpiry.com/match/2018-02-10/arshinkova-vs-swiatek-bul-vs-pol-rr?utm_source=cite (as of 10 February 2018).