The Oakland Athletics Opening Day history is based upon
the first game played at home during the regular season
and includes (if applicable) the entire franchise history.
How many Oakland Athletics Opening Day games were
played in April? Have they ever played an Opening Day
game in March? Have they even been shutout at home on
Opening Day? We hope you enjoy using the charts below to
review other similar Opening Day splits:
| Monthly Opening Day Splits | | Team vs Team Opening Day Splits |
| | | |
| Month (Games) | Won | Lost | WP | | Opponent (Games) | Won | Lost | WP |
| March (1) | 0 | 1 | 0.000 | | Anaheim Angels (1) | 0 | 1 | 0.000 |
| April (105) | 53 | 52 | 0.505 | | Baltimore Orioles (2) | 0 | 2 | 0.000 |
| May (3) | 0 | 3 | 0.000 | | Boston Americans (3) | 2 | 1 | 0.667 |
| | | Boston Red Sox (19) | 8 | 11 | 0.421 |
| Score Related Opening Day Splits | | California Angels (3) | 2 | 1 | 0.667 |
| | | Chicago White Sox (6) | 2 | 4 | 0.333 |
| Type (Games) | Won | Lost | WP | | Cleveland Indians (7) | 2 | 5 | 0.286 |
| Shutouts (11) | 7 | 4 | 0.636 | | Detroit Tigers (5) | 3 | 2 | 0.600 |
| 1-Run Games (31) | 20 | 11 | 0.645 | | Kansas City Royals (1) | 1 | 0 | 1.000 |
| Blowouts (34) | 11 | 23 | 0.324 | | Milwaukee Brewers (2) | 2 | 0 | 1.000 |
| | | Minnesota Twins (10) | 6 | 4 | 0.600 |
| | | New York Highlanders (4) | 3 | 1 | 0.750 |
| | | New York Yankees (14) | 6 | 8 | 0.429 |
| | | Seattle Mariners (6) | 5 | 1 | 0.833 |
| | | Texas Rangers (4) | 2 | 2 | 0.500 |
| | | Toronto Blue Jays (3) | 0 | 3 | 0.000 |
| | | Washington Senators (19) | 9 | 10 | 0.474 |
During their Opening Day history, the Oakland Athletics scored the most runs (16) on
April 17, 1981 versus the
Seattle Mariners. The most runs scored against
them during an Opening Day game was
15 and it was played on
April 20, 1922 versus the
Boston Red Sox.