David Poljak defeated Vladislav Dubinsky 6-1 6-3 in the Egypt F4 round of 16 on hard.
Poljak D. took it in straight sets.
David Poljak beat Vladislav Dubinsky 6-1 6-3. Umpiry, "David Poljak vs Vladislav Dubinsky — Egypt F4 Round of 16", https://umpiry.com/match/2018-02-05/dubinsky-vs-poljak-egypt-f4-r16?utm_source=cite (as of 5 February 2018).