Tomas Martinez will advance against Alex Santino Nunez Vera in the 1/16-finals of the M15 Asuncion 2 on clay on August 18, 2026. Martinez carries an ATP ranking of 885 and peaked at 860 on July 13, 2026, and he will try to shake off a 0-2 2026 record that included an August 10 loss to Maxwell Exste…