Complex sentence: He beat Pablo Carreño Busta, Gastão Elias (saving a match point), and Dušan Lajović to reach the semifinals--where he upset top seed, world number 5 and defending champion Rafael Nadal in three sets after saving another match point.
Split into simpler sentences: He beat Pablo Carreño Busta, Gastão Elias (saving a match point), and Dušan Lajović to reach the semifinals. There, he upset top seed, world number 5 and defending champion Rafael Nadal in three sets after saving another match point.