this is how the process was summarised by a professional writer
Earlier Thursday, former No. 1 Juan Carlos Ferrero defeated Czech replacement Lukas Dlouhy 6-3, 6-3 and still failed to reach the quarterfinals.
Ferrero was second in his round-robin group to Nicolas Devilder of France, who beat the Spaniard on Wednesday and advanced to his first ATP quarterfinals against Diego Hartfield of Argentina. Devilder had lost to Nicolas Lapentti of Ecuador, who withdrew because of an injury and was replaced by Dlouhy.
i don't think it makes more sense than our mtf explanations, but he tried