With Tony Parker on the bench, the 22-year old guard, who was drafted by the San Antonio Spurs, drained a jumper at the buzzer to lift France over Greece 71-69.
The win keeps France on pace with Turkey as the two only undefeated Eurobasket teams at 6-0.
With France up 69-66. Vasileios Spanoulis hit a three-pointer to tie up the game with just 8 seconds remaining setting up De Colo’s game-winner.
Previous to the buzzer-beater, De Colo scored on two free throws and a layup. The 6-5 guard scored the final six points for France.
The question now is whether either team wanted to win the game at all, as the victor is likely to face the talented-but-underperforming Spain in the quarterfinals.
Alain Koffi led France with 14 points, all of which came in the first half as France built a seven-point margin at halftime 41-34. Tony Parker scored 12 points, Ali Traore and Yannick Bokolo each added 10 points.
For Hellas, Spanoulis led all scorers with 16 points, coming from four three-pointers and four free-throws. Sofoklis Schortsianitis added 12 points, and Ioannis Bourousis added 8 points and 10 rebounds.
More Eurobasket: In the first match of the day, Russia snuck by F.Y.R. of Macedonia by the same score 71-69, earning a berth into the quarterfinals. Russia was led by center Timofey Mozgov’s game-high 25 points and 11 rebounds and swingman Anton Ponkrashov’s 10 points, 6 rebounds, and 7 assists.