Jumbo-Visma's Slovenian rider Primoz Roglic celebrates on the podium after winning the 20th stage to take the lead of the Giro d'Italia. AFP
Jumbo-Visma's Slovenian rider Primoz Roglic celebrates on the podium after winning the 20th stage to take the lead of the Giro d'Italia. AFP

Roglic poised to win Giro as Thomas falters in decisive time trial