Juan Martin Del Potro Finally Makes Semi's Breakthrough in San Jose

Juan Martin del Potro (ARG) (#498) finally makes a semifinal breakthrough this week in San Jose.  He loses though to Fernando Verdasco.  This was his path to the semi-finals -

SF - lost to Fernando Verdasco (ESP) (#9) 46 46
QF - Lleyton Hewitt (AUS) (#70) 62 63
2R - Lukas Lacko (SVK) (#113) 61 76(1)
1R - Teymuraz Gabashvili (RUS) (#76) 63 62