It was a game Arsene Wenger will feel Arsenal could have lost and yet ultimately should have won.
The Londoners dominated for long periods and yet fell behind. Having clawed themselves back in front, they then conspired to concede a late equaliser.
They now get a second stab at it, this time on home turf. Worryingly for Arsenal fans, it’s the very same turf on which Swansea secured a comprehensive Premier League victory back in December.
If Arsenal are to progress to a meeting with Brighton in the next round, they will need to learn several lessons from their initial meeting with the Swans.
Read on to discover just how the Gunners need to improve.