The winning Delaware Play 4 numbers for July 20, 1997 were: night 5-4-1-3.
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 |
|---|---|---|---|---|
| Jul 20, 1997 | Night | 5-4-1-3 | 13 | 4 |
| Jul 19, 1997 | Night | 2-1-3-3 | 9 | 9 |
| Jul 19, 1997 | Day | 4-9-2-3 | 18 | 9 |
| Jul 18, 1997 | Night | 2-6-5-7 | 20 | 2 |
| Jul 18, 1997 | Day | 2-1-4-3 | 10 | 1 |
| Jul 17, 1997 | Night | 9-9-6-7 | 31 | 4 |
| Jul 17, 1997 | Day | 5-9-5-3 | 22 | 4 |
| Jul 16, 1997 | Night | 4-2-2-1 | 9 | 9 |
| Jul 16, 1997 | Day | 0-2-7-8 | 17 | 8 |
| Jul 15, 1997 | Night | 9-2-7-7 | 25 | 7 |
| Jul 15, 1997 | Day | 0-9-4-5 | 18 | 9 |
| Jul 14, 1997 | Night | 9-6-0-5 | 20 | 2 |
| Jul 14, 1997 | Day | 2-4-9-3 | 18 | 9 |