Geraint Thomas retains Tour of the Algarve yellow jersey

Geraint Thomas won the Commonwealth Games road race in August 2014

Team Sky's Geraint Thomas has retained the yellow jersey after securing a fourth-placed finish in stage four of the Tour of the Algarve.

Thomas, 28, crossed the line nine seconds behind Australian team mate, Richie Porte, after the 218km ride.

Etixx-QuickStep's Michal Kwiatkowski finished second, meaning the Welshman now has a 27-second lead over his rival at the top of the standings.

Sunday's 184.9km final stage will take place between Almodovar and Vilamoura.

Stage Four result:

1. Richie Porte (AUS/Team Sky) 5h55m34s

2. Michal Kwiatkowski (POL/Etixx-QuickStep) +3secs

3. Ion Izaguirre (ESP/Movistar) +6secs

4. Geraint Thomas (GBR/TeamSky) +9secs

5. Michael Woods (CAN/Optum p/b Kelly Benefit Strategies), +13secs

Overall standings:

1. Geraint Thomas (GBR/Team Sky), 15h30m33s

2. Michal Kwiatkowski (POL/Etixx-QuickStep)+27secs

3. Tiago Machado (POR/Katusha) +1min 11secs

4. Richie Porte (AUS/Team Sky) +1min 14secs

5. Luis León Sánchez (ESP/Astana) +1min 18secs