Troyes won promotion to Ligue 1 by successfully defending a first-leg lead in their relegation playoff with Lorient.
Leading 2-1 thanks to an injury-time winner from 40-year-old midfielder Benjamin Nivet in Thursday's first meeting, the second-tier side stood firm to secure a goalless draw at Stade du Moustoir and ensure they will swap divisions with their hosts next season.
It could have been a different outcome had a bullet header from Lorient's Cameroon international forward Benjamin Moukandjo...
Benjamin Nivet lashed home a dramatic last-minute winner as Ligue 2 Troyes seized the upper hand in the first leg of their playoff clash with Lorient.
The 40-year-old beat visiting keeper Benjamin Lecomte with a powerful 25-yard drive to secure a 2-1 win ahead of the return game in Lorient on Sunday.
Troyes had struck first in the 37th minute with Stephane Darbion prodding home after Nivet's initial effort had been parried by Lecomte.
But the Ligue 1 side piled on the pressure after the break and...
Strasbourg and Amiens were promoted to Ligue 1 on Friday following an incredibly tight race in the French second division.
Six clubs entered the final day of the Ligue 2 season with a chance at winning the title, but Strasbourg came out on top with a 2-0 with over Bourg en Bresse Peronnas, edging Amiens and Troyes by a single point.
The promotion is Strasbourg's fourth in six years after they were sent to the fifth tier following bankruptcy issues in 2011. They last played in the top flight in 2008.