| 100% | XXX | 3 | Opening day pitcher |
| 100% | ACE | 3 | Opening day pitcher |
| 93% | ACE | 3 | Opening day pitcher, probably |
| 93% | ACE | 3 | Opening day pitcher, usually |
| 93% | ACE | 3 | Opening Day pitcher, typically |
| 93% | ACE | 3 | Opening Day pitcher, often |
| 73% | ACE | 3 | Opening-day pitcher, typically |
| 73% | ACES | 4 | Opening-day pitchers, usually |
| 62% | XMAS | 4 | Opening day? |
| 61% | ATEAM | 5 | Opening day squad |
| 58% | XMAS | 4 | Grand opening day? |
| 57% | THU | 3 | Opening day of the Masters: Abbr. |
| 55% | THU | 3 | Opening day of a golf major: Abbr. |
| 52% | SEASON | 6 | Period from opening day to the playoffs |
| 52% | MLB | 3 | Org. whose Opening Day is this week |
| 51% | PORES | 5 | Openings at a day spa? |
| 50% | OUTING | 6 | Pitcher's day on the mound |
| 50% | CEREMONIALSTART | 15 | Race day opening event |
| 47% | CANALS | 6 | Where locks are opened all day |
| 44% | LASCALA | 7 | Its season opens on Saint Ambrose's Day |
| 44% | FAUCI | 5 | Health official throwing out the first pitch at the Washington Nationals' opening day |
| 43% | SUNLIGHT | 8 | What an open curtain lets in during the day |
| 38% | WORLDSTALLESTSKYSCRAPER | 23 | The subject of this puzzle, on 5/1/31, the day it opened |
| 37% | OSOLEMIO | 8 | Song whose opening lyric translates to "What a beautiful thing is a sunny day" |
| 36% | ROOTS | 5 | 1976 best seller that opens "four days upriver from the coast of The Gambia" |
| 34% | TAFT | 4 | First president to throw a ceremonial opening-day pitch |
| 34% | BASEHIT | 7 | Item that will ruin the pitcher's day when he's perfect heading into the ninth |
| 34% | LOUISCK | 7 | Comedian who said "Every day starts, my eyes open and I reload the program of misery" |
| 33% | BATS | 4 | Faces the pitcher |
| 33% | ATBAT | 5 | Facing the pitcher |