Sao Paulo, Brazil (Sports Network) - Two-time defending champion Nicolas Almagro was a hard-fought second-round winner Thursday at the clay-court Brasil Open.
The second-seeded world No. 11 Almagro fired 18 aces in holding off Chilean qualifier Paul Capdeville 6-4, 6-7 (3-7), 6-2 on Day 4 in Sao Paulo.
The three-time Brasil Open champ Almagro beat Italian Filippo Volandri in last year's finale here and also captured this event in Costa do Sauipe in 2008 and 2011.
A trio of upsets came when Italian Simone Bolelli took out third-seeded Argentine Juan Monaco 7-5, 6-2, Volandri upended fifth-seeded Brazilian Thomaz Bellucci 6-3, 6-2 and Argentine Carlos Berlocq doused eighth-seeded Spaniard Albert Ramos 7-6 (9-7), 6-4. Bellucci was a Brasil Open runner-up in 2009.
The 2013 Brasil Open titlist will earn $82,300.