The winning New York Win 4 numbers for October 21, 1988 were: evening 0-6-2-0.
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 21, 1988 | Evening | 0-6-2-0 | 8 | 8 |
| Oct 20, 1988 | Evening | 8-7-4-8 | 27 | 9 |
| Oct 19, 1988 | Evening | 8-3-8-7 | 26 | 8 |
| Oct 18, 1988 | Evening | 4-8-0-7 | 19 | 1 |
| Oct 17, 1988 | Evening | 9-5-9-3 | 26 | 8 |
| Oct 16, 1988 | Evening | 5-7-0-0 | 12 | 3 |
| Oct 15, 1988 | Evening | 1-1-5-8 | 15 | 6 |