After surviving an epic third round match against Fernando Verdasco, second seed Kei Nishikori returned to take on Argentine Federerico Delbonis for a spot in the quarter-finals - watch the full replay.
Federico Delbonis v Kei Nishikori
Replay
Miami
2017R4R4
After surviving an epic third round match against Fernando Verdasco, second seed Kei Nishikori returned to take on Argentine Federerico Delbonis for a spot in the quarter-finals - watch the full replay.
