The San Francisco Giants 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 San Francisco Giants 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 |
| April (123) | 69 | 52 | 0.570 | | Atlanta Braves (2) | 1 | 1 | 0.500 |
| May (4) | 4 | 0 | 1.000 | | Baltimore Orioles (2) | 2 | 0 | 1.000 |
| | | Boston Beaneaters (8) | 4 | 4 | 0.500 |
| Score Related Opening Day Splits | | Boston Bees (3) | 2 | 1 | 0.667 |
| | | Boston Braves (13) | 8 | 4 | 0.667 |
| Type (Games) | Won | Lost | WP | | Boston Doves (1) | 1 | 0 | 1.000 |
| Shutouts (18) | 10 | 8 | 0.556 | | Brooklyn Bridegrooms (1) | 0 | 1 | 0.000 |
| 1-Run Games (35) | 22 | 13 | 0.629 | | Brooklyn Dodgers (10) | 6 | 4 | 0.600 |
| Blowouts (31) | 21 | 10 | 0.677 | | Brooklyn Robins (5) | 2 | 3 | 0.400 |
| | | Brooklyn Superbas (6) | 3 | 3 | 0.500 |
| | | Chicago Cubs (4) | 2 | 2 | 0.500 |
| | | Chicago White Stockings (1) | 1 | 0 | 1.000 |
| | | Florida Marlins (2) | 2 | 0 | 1.000 |
| | | Houston Astros (5) | 2 | 3 | 0.400 |
| | | Houston Colt .45s (1) | 1 | 0 | 1.000 |
| | | Los Angeles Dodgers (7) | 3 | 4 | 0.429 |
| | | Milwaukee Braves (2) | 2 | 0 | 1.000 |
| | | Milwaukee Brewers (2) | 2 | 0 | 1.000 |
| | | New York Mets (1) | 1 | 0 | 1.000 |
| | | Philadelphia Phillies (22) | 11 | 11 | 0.500 |
| | | Pittsburgh Pirates (5) | 2 | 3 | 0.400 |
| | | San Diego Padres (20) | 13 | 7 | 0.650 |
| | | St. Louis Cardinals (2) | 1 | 1 | 0.500 |
| | | Washington Senators (2) | 1 | 0 | 1.000 |
During their Opening Day history, the San Francisco Giants scored the most runs (16) on
April 14, 1915 versus the
Brooklyn Robins. The most runs scored against
them during an Opening Day game was
16 and it was played on
April 5, 1983 versus the
San Diego Padres.