Gregory Zavialoff defeated Eduardo Nicolas 6-0 6-1 in the Spain 5 4 round of 16 on clay. The upset overturned the form book — Eduardo Nicolas came in leading the head-to-head 2–0. Gregory Zavialoff claimed a first win over Eduardo Nicolas in three meetings, narrowing the head-to-head to 2–1.
Zavialoff G. took it in straight sets.
Gregory Zavialoff beat Eduardo Nicolas 6-0 6-1. Umpiry, "Gregory Zavialoff vs Eduardo Nicolas — Spain 5 4 Round of 16", https://umpiry.com/match/2001-05-07/nicolas-vs-zavialoff-spain-5-4-r16?utm_source=cite (as of 7 May 2001).