| 2021-05-09 | WiganvSwindonLeague One · England | 3–4 | League One · England |
| 2021-05-01 | SwindonvIpswichLeague One · England | 1–2 | League One · England |
| 2021-04-24 | Milton Keynes DonsvSwindonLeague One · England | 5–0 | League One · England |
| 2021-04-20 | SwindonvPortsmouthLeague One · England | 3–1 | League One · England |
| 2021-04-17 | AFC WimbledonvSwindonLeague One · England | 4–1 | League One · England |
| 2021-04-13 | RochdalevSwindonLeague One · England | 2–1 | League One · England |
| 2021-04-10 | SwindonvPeterboroLeague One · England | 0–3 | League One · England |
| 2021-04-05 | BurtonvSwindonLeague One · England | 2–1 | League One · England |
| 2021-04-02 | SwindonvBlackpoolLeague One · England | 0–2 | League One · England |
| 2021-03-23 | Bristol RvsvSwindonLeague One · England | 0–1 | League One · England |
| 2021-03-20 | Fleetwood TownvSwindonLeague One · England | 0–2 | League One · England |
| 2021-03-13 | SwindonvGillinghamLeague One · England | 1–3 | League One · England |
| 2021-03-09 | SwindonvOxfordLeague One · England | 1–2 | League One · England |
| 2021-03-06 | AccringtonvSwindonLeague One · England | 2–1 | League One · England |
| 2021-03-02 | SunderlandvSwindonLeague One · England | 1–0 | League One · England |
| 2021-02-27 | SwindonvNorthamptonLeague One · England | 2–1 | League One · England |
| 2021-02-23 | LincolnvSwindonLeague One · England | 2–2 | League One · England |
| 2021-02-20 | SwindonvCreweLeague One · England | 2–1 | League One · England |
| 2021-02-09 | PortsmouthvSwindonLeague One · England | 2–0 | League One · England |
| 2021-02-06 | SwindonvShrewsburyLeague One · England | 0–1 | League One · England |
| 2021-02-02 | SwindonvWiganLeague One · England | 1–0 | League One · England |
| 2021-01-30 | HullvSwindonLeague One · England | 1–0 | League One · England |
| 2021-01-26 | SwindonvPlymouthLeague One · England | 0–2 | League One · England |
| 2021-01-23 | CharltonvSwindonLeague One · England | 2–2 | League One · England |
| 2021-01-16 | SwindonvDoncasterLeague One · England | 1–2 | League One · England |
| 2021-01-09 | IpswichvSwindonLeague One · England | 2–3 | League One · England |