Team Movistar's Nairo Quintana soloes to victory in stage 20 of Tour de France 2013; Team Sky Pro Cycling's Chris Froome remains overall leader of Tour de France before tomorrow's final stage - a nocturnal ride from Versailles to Paris Champs-Élysées.

Rui Costa (Movistar) has won his second stage of this year’s Tour de France and the third of his career. The Portuguese rider surged away from Pierre Rolland (Europcar) and soloed home to win Stage 19, a mountainous, 204.5-km ride from Bourg d’Oisans to Le Grand-Bornand, in 5:59:01. Andreas Kloeden (RadioShack-Leopard) finished second at 0:48, and his teammate Jan Bakelants finished third at 1:44. Chris Froome (Sky) remains the maillot jaune.

Team Movistar's Rui Costa soloes to second stage victory in Tour de France 2013; Team Sky Pro Cycling's Chris Froome hangs on to overall Tour de France lead.

Christophe Riblon rides to victory in Tour de France queen stage to l'Alpe d'Huez ahead of Tejay van Garderen; Chris Froome remains overall leader of Tour de France.

Chris Froome (Sky) has won Stage 17 of the Tour de France 2013. The Briton eked out a victory on the 32-km mountain time trial course from Embrun to Chorges, pipping Alberto Contador (Saxo Bank-Tinkoff) to win in 51:33. Contador was 0:09 slower than Froome, and Joaquim Rodriguez (Katusha) took third at 0:10. Froome slightly extended his overall lead.

Chris Froome rides to time trial victory and extends his overall Tour de France 2013.

Portugal's Rui Costa (Team Movistar) breaks away and soloes to victory in stage 16 of Tour de France 2013; Team Sky's Chris Froome maintains overall 2013 Tour de France lead.

How jaded have we become?

Clearly dismayed by repeated questions about doping, the team of Tour de France leader Chris Froome earlier today volunteered to open up to independent scrutiny all of its training secrets to try to prove "beyond reasonable doubt" that the Briton and his teammates are riding clean.

Chris Froome (Sky) has won on Mont Ventoux. The Sky man surged away from Nairo Quintana (Movistar) with 1.2 km left to win Stage 15, a 242-km ride from Givors to Mont Ventoux, in 5:48:45. Quintana finished second at 0:29, and Mikel Nieve (Euskaltel-Euskadi) finished third at 1:29. Froome has extended his overall lead in the Tour de France.