Complex sentence: He competed on the Challenge Tour from 2005 to 2009 and his best finishes were third place in the Costa Rica Open in 2005, fourth in the Guatemala Open in 2007 and the Argentine Open 2008.
Split into simpler sentences: He competed on the Challenge Tour from 2003 to 2009 and best finnished was the third place in the Costa Rica Open in 2005. Them he was fourd in the Guatemala Open in 2007 and the Argentine Open 2008.