Alexander Volkov defeated Dimitri Poliakov 7-5 6-3 in the Moscow round of 16 on hard. The result followed the form book — Alexander Volkov came in defending last year's round of 32.
Volkov A. took it in straight sets.
Alexander Volkov beat Dimitri Poliakov 7-5 6-3. Umpiry, "Alexander Volkov vs Dimitri Poliakov — Moscow Round of 16", https://umpiry.com/match/1991-11-04/poliakov-vs-volkov-moscow-r16?utm_source=cite (as of 4 November 1991).