The winning Delaware Play 4 numbers for May 20, 2018 were: night 9-9-1-8.
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 |
|---|---|---|---|---|
| May 20, 2018 | Night | 9-9-1-8 | 27 | 9 |
| May 19, 2018 | Night | 0-2-2-0 | 4 | 4 |
| May 19, 2018 | Day | 2-1-5-9 | 17 | 8 |
| May 18, 2018 | Night | 8-9-4-4 | 25 | 7 |
| May 18, 2018 | Day | 9-2-4-3 | 18 | 9 |
| May 17, 2018 | Night | 3-0-6-9 | 18 | 9 |
| May 17, 2018 | Day | 6-1-1-9 | 17 | 8 |
| May 16, 2018 | Night | 0-7-6-8 | 21 | 3 |
| May 16, 2018 | Day | 7-1-2-2 | 12 | 3 |
| May 15, 2018 | Night | 1-5-9-5 | 20 | 2 |
| May 15, 2018 | Day | 8-0-4-7 | 19 | 1 |
| May 14, 2018 | Night | 0-7-1-3 | 11 | 2 |
| May 14, 2018 | Day | 1-5-4-3 | 13 | 4 |