The 2000 Gelsor Open Romania was a men's tennis tournament played on outdoor clay courts at the Arenele BNR in Bucharest in Romania and was part of the International Series of the 2000 ATP Tour.

It was the eighth and final edition of the tournament and was held from 11 September through 17 September 2000.

Unseeded Joan Balcells won the singles title.

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: Joan Balcells defeated Markus Hantschk 6–4, 3–6, 7–6(7–1) Alberto Martín / Eyal Ran defeated Devin Bowen / Mariano Hood 7–6(7–4), 6–1