The winning Delaware Play 4 numbers for October 20, 1990 were: night 6-0-7-6.
Sum is the digits added together (5+5+0 = 10). Root sum keeps adding until one digit is left (10 → 1+0 = 1) — many regular players track it in their notebooks. Odd/Even marks each digit O or E (5-5-0 = OOE). High/Low marks 0–4 as L and 5–9 as H (5-5-0 = HHL).
| Date | Draw | Numbers | Sum | Root |
|---|---|---|---|---|
| Oct 20, 1990 | Night | 6-0-7-6 | 19 | 1 |
| Oct 19, 1990 | Night | 7-5-3-2 | 17 | 8 |
| Oct 18, 1990 | Night | 8-7-8-7 | 30 | 3 |
| Oct 17, 1990 | Night | 0-0-6-6 | 12 | 3 |
| Oct 16, 1990 | Night | 4-2-0-4 | 10 | 1 |
| Oct 15, 1990 | Night | 2-9-5-2 | 18 | 9 |
| Oct 14, 1990 | Night | 1-2-0-7 | 10 | 1 |