Brazil: Recife - Singles - Main
1/16-finals Belyaev I. Guidolin R. 2:0 (6:4, 6:1) details 04.04.2011
Argentina: Buenos Aires 2 - Singles - Main
1/8-finals Silva J. Guidolin R. 2:1 (6:4, 6:7, 6:2) details 24.11.2010
1/16-finals Guidolin R. Schwartzman D. 2:1 (3:6, 6:2, 6:3) details 22.11.2010
Colombia: Bogota 3 - Singles - Main
1/8-finals Salamanca C. Guidolin R. 2:1 (6:4, 4:6, 6:3) details 23.09.2010
1/16-finals Hartfield D. Guidolin R. 0:1 RET. (2:6) details 21.09.2010
Brazil: Belo Horizonte - Singles - Main
Semi-finals Guidolin R. Silva D. R. 1:2 (6:4, 6:7, 6:7) details 18.09.2010
Quarter-finals Silva J. Guidolin R. 1:2 (7:6, 5:7, 4:6) details 17.09.2010
1/8-finals Guidolin R. Aguilar J. 2:1 (7:6, 3:6, 7:6) details 15.09.2010
1/16-finals Galdon P. Guidolin R. 0:2 (6:7, 3:6) details 13.09.2010
Brazil: Blumenau - Singles - Main
1/8-finals Massu N. Guidolin R. 2:0 (7:5, 6:4) details 16.04.2010
1/16-finals Clezar G. Guidolin R. 0:2 (3:6, 2:6) details 12.04.2010
Brazil: Brasilia - Singles - Main
1/16-finals Chela J. I. Guidolin R. 2:0 (6:2, 6:0) details 11.08.2009
Brazil: Belo Horizonte - Singles - Main
1/16-finals Guidolin R. Miele A. 0:2 (4:6, 2:6) details 28.07.2009
Brazil: Blumenau - Singles - Main
1/16-finals Silva D. R. Guidolin R. 2:0 (7:5, 6:4) details 12.05.2009