Karl Friberg defeated Quang Duong 6-1 6-1 in the M15 Naples 3 qualifying round of 32 on clay.
Friberg K. took it in straight sets.
Karl Friberg beat Quang Duong 6-1 6-1. Umpiry, "Karl Friberg vs Quang Duong — M15 Naples 3 Qualifying Round of 32", https://umpiry.com/match/2022-02-21/duong-vs-friberg-m15-naples-3-q32?utm_source=cite (as of 21 February 2022).