Juan Martin Del Potro of Argentina in action against Novak Djokovic of Serbia during the men's singles match of the Rio 2016 Olympic Games Tennis events at the Olympic Tennis Centre in the Olympic Park in Rio de Janeiro, Brazil, 07 August 2016. The wounds are still fresh, but you know, you've got to deal with it. This is it for now, stay tuned for the 3rd day report on Rio Olympics.
Del Potro took the lead for good, Djokovic missing a backhand and now del Potro led 3-2.
The players shared a lengthy embrace at the net after match point, Djokovic broke down, Del Potro could barely believe the enormity of what he had done and the spirit of the Olympic Games was there for all to see.
The Gold Coaster regained her composure to prevail 6-3, 6-2, becoming the only Australian tennis player to record a win on day two.
Del Potro, ecstatic with the victory, sympathised with Djokovic.
It was a raucous atmosphere in the last match of the night on center court, where Argentine fans chanted for del Potro and Brazilians would try to drown out their rivals with cheers for Djokovic.
The 27-year-old, who has dropped to 141st in the world after nearly two years out with wrist problems, did not face a single break point on his serve and hammered 29 forehand winners past a helpless Djokovic.
Serena Williams opened defence of her Olympic singles gold medal with a patchy-at-times 6-4 6-2 victory over Australia's Daria Gavrilova yesterday, gesturing or yelling at herself as she often does when not all goes her way.
"Amazing, incredible match for me".
The defeat caps off a horror two months for the once all-conquering Djokovic, who was bundled out in the third round of Wimbledon by world No.41 Sam Querrey.
In the first big surprise of the Olympic tennis tournament, Venus and Serena Williams were upset 6-3, 6-4, in doubles on Sunday by the Czech team of Barbora Strycova and Lucie Safarova.
The 141st ranked tennis player from Argentina went on to defeat world No. 1 Novak Djokovic in a first-round upset at the Rio Olympics on Sunday.
Del Potro eventually ran out of steam when he and Maximo Gonzalez lost their men's doubles second round tie to Rafael Nadal and Marc Lopez.
Djokovic, who completed the career Grand Slam at the French Open in June, admitted the loss was tough to take.
This defeat capped a couple of miserable days for older sibling Venus, who was dumped out of the singles draw in the first round by Belgium's Kirsten Flipkens. His day certainly got better after that.
"We played bad", Serena said, "and it showed in the results".
Andy and Jamie Murray lost 7-6 (8-6) 7-6 (16-14) to home favourites Thomaz Bellucci and Andre Sa.