Artemon Apostu Efremov defeated Milen Velev 6-3 6-1 in the Bulgaria 3 semi-final on clay.
Apostu Efremov A. took it in straight sets.
Artemon Apostu Efremov beat Milen Velev 6-3 6-1. Umpiry, "Artemon Apostu Efremov vs Milen Velev — Bulgaria 3 Semi-final", https://umpiry.com/match/2001-04-23/efremov-vs-velev-bulgaria-3-sf?utm_source=cite (as of 23 April 2001).