Juan Martin del Potro came back from two sets down and saved two match points to beat sixth seed Dominic Thiem in the US Tennis Open.
The 24th seed, cheered on by a large Argentine contingent on the Grandstand court, won 1‑6 2‑6 6‑1 7‑6 (7‑1) 6‑4.
Despite feeling ill and requiring treatment, he came through in three hours and 35 minutes to set up a quarter‑final against Roger Federer.
The quarters will be played this Friday.
Source: BBC
