The second day at the US Open did not disappoint. Many top players were pushed to their limits but managed to fight through tough opponents to escape first-round upsets.
These are the Top 5 photos from New York.
The world No. 21-ranked Canadian had a strong first-round opponent in Thiago Monteiro and had to survive an almost four-hour battle. Auger-Aliassime would close out a grueling 6-3, 6-7( 7), 7-6 (6), 7-6 (6) win to set up a meeting with Andy Murray.