The winning Connecticut Play4 numbers for May 21, 2020 were: day 0-9-6-1; night 0-1-0-4.
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).
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 21, 2020 | Night | 0-1-0-4 | 5 | 5 |
| May 21, 2020 | Day | 0-9-6-1 | 16 | 7 |
| May 20, 2020 | Night | 2-2-0-4 | 8 | 8 |
| May 20, 2020 | Day | 9-7-0-0 | 16 | 7 |
| May 19, 2020 | Night | 1-2-9-4 | 16 | 7 |
| May 19, 2020 | Day | 2-3-7-9 | 21 | 3 |
| May 18, 2020 | Night | 4-5-5-3 | 17 | 8 |
| May 18, 2020 | Day | 5-1-8-8 | 22 | 4 |
| May 17, 2020 | Night | 4-1-4-9 | 18 | 9 |
| May 17, 2020 | Day | 3-6-0-6 | 15 | 6 |
| May 16, 2020 | Night | 9-7-7-4 | 27 | 9 |
| May 16, 2020 | Day | 9-6-1-5 | 21 | 3 |
| May 15, 2020 | Night | 3-8-0-4 | 15 | 6 |
| May 15, 2020 | Day | 9-5-0-1 | 15 | 6 |