Marina Bay Street Circuit
Race weekend will see the main event beginning at 13:00 BST on race day.
Live updates streamed on radio channels and BBC Sport.
Opening Round Summary
Aston Martin's two-time champion set the pace in front of Monegasque driver and Red Bull's Max Verstappen during FP1 for the street circuit event.
McLaren's championship contenders Australian rookie and British talent concluded the session in P5 and P6.
Piastri was over two tenths speedier than Norris.
The experienced Spaniard was a slim margin in front of the Ferrari driver and a clear gap quicker than the Red Bull star.
Ferrari's seven-time champion was just outside the top three.
Team Strategies
It is not expected that the Silverstone-based team will be in the mix for P1.
However, the squad are confident of a better weekend on a tight circuit that is more suited to their chassis, which performs better when high levels of downforce are called for.
Double world title winner Fernando is also renowned as a Singapore specialist, and often shines on the night race venue.
However he was almost certainly operating with reduced weight or a higher engine mode than his competitors, or both, to achieve that pace.
Session Details
Fellow driver Canadian racer was 1.918secs off the pace in the lower order.
Stroll had difficulties with his cockpit early in the session and was also testing test items.
FP1 in Marina Bay is not reflective of conditions under lights as it is held in afternoon sun in the daytime, while grid-deciding session and the grand prix are staged under floodlights.
Championship Standings
Piastri has an advantage over his teammate by a solid margin with seven races to go heading into the weekend in the Lion City.
The Woking-based team are in position to clinch the constructors' championship on race day.
Sole scenario they can not tie it up in this race is if the Silver Arrows beat them by 31 points or Ferrari achieve that by a similar margin.
Rival Teams
The energy drink brand's team are hopeful of a good performance after Verstappen's victories in Italy and Azerbaijan ahead of this Grand Prix.
They were relieved when precipitation occurring prior to running stopped by the moment the machines went out on a circuit that had stayed clear.
Team consultant the Austrian stated before the session that they wanted a clear session to get underway on fine-tuning their set-up for the event.