The winning Washington DC DC-3 numbers for June 7, 1988 were: single 4-3-6.
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 |
|---|---|---|---|---|
| Jun 7, 1988 | Single | 4-3-6 | 13 | 4 |
| Jun 6, 1988 | Single | 0-5-4 | 9 | 9 |
| Jun 4, 1988 | Single | 7-7-0 | 14 | 5 |
| Jun 1, 1988 | Single | 7-2-1 | 10 | 1 |