The ATP Montevideo was a men's tennis tournament played in Montevideo, Uruguay. The event was part of the ATP Tour in 1994 and 1995. The tournament returned in 1998 as a Challenger event. It was played in late October/early November on outdoor clay courts.

Year	Champions	Runners-up	Score
1994	Alberto Berasategui	Francisco Clavet	6–4, 6–0
1995	Bohdan Ulihrach	Alberto Berasategui	6–2, 6–3

Year	Champions	Runners-up	Score
1994	Marcelo Filippini Luiz Mattar	Sergio Casal Emilio Sánchez	7–6, 6–4
1995	Sergio Casal Emilio Sánchez	Jiří Novák David Rikl	2–6, 7–6, 7–6

Year	Champion	Runner-up	Score
1998	Eduardo Medica	Christian Ruud	6–4, 6–4
1999	Karim Alami	Galo Blanco	6–3, 6–1
2000	Guillermo Coria	José Acasuso	6–3, 6–7(9), 6–2
2001	David Nalbandian	Fernando González	6–2, 3–6, 6–3

Year	Champion	Runner-up	Score
1998	Francisco Cabello Agustín Calleri	Paulo Taicher Cristiano Testa	6–4, 6–4
1999	Pablo Albano Martín García	Diego del Río Daniel Orsanic	6–2, 6–3
2000	Lucas Arnold Ker Gastón Etlis	Joan Balcells Germán Puentes	6–4, 6–4
2001	Diego del Río Martín Vassallo Argüello	Gastón Etlis Mariano Hood	W/O

• Results (all)
• Uruguay open