The Blues had already secured qualification for the knockout stages, but a victory over our Austrian opponents would still have a huge bearing on our fate in the quarter-finals.
City came into the tie in pole position in Group D, three points ahead of Barcelona with the European champions the only side capable of catching us at the summit.
A win would put us in the driver’s seat ahead of that final group showdown in Catalonia, but St Polten weren’t at the Joie Stadium to simply make up the numbers.
CITY v UNITED | GET YOUR ETIHAD DERBY TICKETS
In Vienna, City had been pushed to our limit by the hosts, with second half goals from Aoba Fujino and Mary Fowler needed to overturn a 2-1 deficit.
City came into the tie full of confidence after an impressive 4-0 win against Leicester at the weekend, but would have to do the business at the Joie Stadium without top scorer Khadija ‘Bunny’ Shaw.
Academy graduate Lily Murphy was brought in to replace the Jamaican for her first City start having signed professional terms last week.
Could City make it five wins from five in the Champions League group stages? Find out with a CITY+ subscription...
CITY+
CITY+ is available via an annual subscription of £34.99 a year, saving you £24 on our monthly offering.
Choose monthly and pay £4.99 a month with the option to cancel anytime.
Official Cityzens and Season Ticket Members can subscribe annually for £30 a year, a saving of £29.