Town have gone 12 games without a win in all competitions and are now bottom of League One. Here are our player ratings from the County Ground...
1. Jonathan Mitchell
A very bad day at the office. Questionable positioning for Twine's free-kick, which he got a hand to but couldn't keep out, and then went walkabouts for Pitman's winner, although probably should have saved it anyway... 3.5 Photo: Pete Norton
2. Peter Kioso
Involved in the build-up to Watson's goal and that was not the only time he threatened in the final third, though his decision-making was oddly indifferent. Swindon hardly ever threatened down his side... 6
3. Lloyd Jones
The Swindon player made the most of little contact but he didn't need to be so tight and risk giving away a foul in first-half stoppage-time. Twine made sure he paid the ultimate price... 5
