Reading have played Aberdare Athletic 10 times in competitive football, winning 4, drawing 2 and losing 4, first meeting on 17 Dec 1921 and most recently on 10 Apr 1926. Every meeting is listed below.
| Date | Season | Competition | Venue | Opponent | Score | Scorers | Att |
|---|---|---|---|---|---|---|---|
| 17 Dec 1921 | 1921–22 | Third Division South | A | Aberdare Athletic | 1–0 | ||
| 24 Dec 1921 | 1921–22 | Third Division South | H | Aberdare Athletic | 0–1 | ||
| 28 Apr 1923 | 1922–23 | Third Division South | H | Aberdare Athletic | 1–0 | ||
| 5 May 1923 | 1922–23 | Third Division South | A | Aberdare Athletic | 0–0 | ||
| 6 Oct 1923 | 1923–24 | Third Division South | A | Aberdare Athletic | 0–1 | ||
| 13 Oct 1923 | 1923–24 | Third Division South | H | Aberdare Athletic | 0–1 | ||
| 13 Sep 1924 | 1924–25 | Third Division South | A | Aberdare Athletic | 0–3 | ||
| 17 Jan 1925 | 1924–25 | Third Division South | H | Aberdare Athletic | 2–0 | ||
| 24 Mar 1926 | 1925–26 | Third Division South | H | Aberdare Athletic | 2–1 | ||
| 10 Apr 1926 | 1925–26 | Third Division South | A | Aberdare Athletic | 2–2 |