The first World Series was played as an arrangement between the owners of Boston and Pittsburgh clubs rather than a formal arrangement between the two leagues.

1903 Regular Season Results

Date    OpponentResultScoreRecord
4/17at Phil. PhilliesW  8-3 1-0
4/18at Phil. PhilliesL  4-8 1-1
4/20vs Phil. PhilliesW  4-3 2-1
4/20vs Phil. PhilliesL  7-10 2-2
4/21vs Phil. PhilliesW  3-1 3-2
4/22vs Phil. PhilliesW  2-1 4-2
4/23at NY GiantsW  2-0 5-2
4/24at NY GiantsL  4-5 5-3
4/25at NY GiantsL  7-8 5-4
4/27at NY GiantsL  7-10 5-5
4/28at BrooklynW  4-2 6-5
4/29at BrooklynL  0-2 6-6
4/30at BrooklynW  10-2 7-6
5/1at BrooklynL  5-9 7-7
5/2vs NY GiantsW  5-2 8-7
5/7at BrooklynL  1-12 8-8
5/8at BrooklynW  8-1 9-8
5/9at BrooklynL  6-7 9-9
5/12vs StL CardinalsL  6-7 9-10
5/13vs StL CardinalsW  9-5 10-10
5/14vs StL CardinalsW  3-2 11-10
5/15vs StL CardinalsW  10-0 12-10
5/16vs Chi. CubsL  1-6 12-11
5/18vs Chi. CubsL  2-4 12-12
5/20vs Chi. CubsL  0-2 12-13
5/21vs CincinnatiW  3-0 13-13
5/22vs CincinnatiL  4-8 13-14
5/23vs CincinnatiW  8-2 14-14
5/25vs CincinnatiL  2-3 14-15
5/26vs PittsburgL  4-10 14-16
5/27vs PittsburgW  7-1 15-16
5/28vs PittsburgL  6-7 15-17
5/29at NY GiantsL  0-3 15-18
5/30at NY GiantsW  9-2 16-18
5/30at NY GiantsL  0-2 16-19
6/2at CincinnatiL  1-4 16-20
6/3at CincinnatiW  6-0 17-20
6/4at PittsburgL  0-5 17-21
6/5at PittsburgL  0-9 17-22
6/6at PittsburgL  0-4 17-23
6/8at Chi. CubsL  6-8 17-24
6/9at Chi. CubsL  1-4 17-25
6/10at Chi. CubsL  3-7 17-26
6/11at StL CardinalsW  8-6 18-26
6/12at StL CardinalsL  3-12 18-27
6/13at StL CardinalsL  3-4 18-28
6/14at StL CardinalsW  5-1 19-28
6/17vs BrooklynW  3-2 20-28
6/17vs BrooklynL  6-14 20-29
6/18vs PittsburgL  2-7 20-30
6/19vs PittsburgL  2-12 20-31
6/20vs PittsburgL  4-8 20-32
6/23vs StL CardinalsL  0-3 20-33
6/25vs StL CardinalsL  0-1 20-34
6/25vs StL CardinalsL  3-5 20-35
6/26vs Chi. CubsW  5-4 21-35
6/27vs Chi. CubsW  8-7 22-35
6/27vs Chi. CubsW  7-1 23-35
6/30vs CincinnatiW  7-4 24-35
7/2vs CincinnatiL  0-2 24-36
7/4at StL CardinalsW  5-1 25-36
7/4at StL CardinalsL  5-8 25-37
7/5at StL CardinalsW  9-5 26-37
7/7at CincinnatiW  5-3 27-37
7/8at CincinnatiL  6-8 27-38
7/9at CincinnatiL  3-11 27-39
7/9at CincinnatiL  3-5 27-40
7/10at CincinnatiL  5-6 27-41
7/11at PittsburgL  2-10 27-42
7/13at PittsburgW  8-3 28-42
7/15at Chi. CubsL  4-9 28-43
7/16at Chi. CubsW  4-2 29-43
7/18at Chi. CubsL  2-3 29-44
7/18at Chi. CubsW  5-4 30-44
7/22vs BrooklynW  5-2 31-44
7/24vs BrooklynL  3-7 31-45
7/25vs BrooklynW  4-3 32-45
7/25vs BrooklynW  13-10 33-45
7/27at NY GiantsW  11-9 34-45
7/28at NY GiantsW  5-3 35-45
7/29at NY GiantsL  2-5 35-46
7/31vs NY GiantsW  4-1 36-46
8/1vs NY GiantsL  1-4 36-47
8/1vs NY GiantsL  2-5 36-48
8/3vs NY GiantsL  1-4 36-49
8/7vs BrooklynL  4-6 36-50
8/7vs BrooklynW  6-3 37-50
8/8at Phil. PhilliesW  5-4 38-50
8/12vs Chi. CubsL  4-7 38-51
8/12vs Chi. CubsW  11-10 39-51
8/13vs Chi. CubsL  3-7 39-52
8/14vs Chi. CubsL  3-6 39-53
8/15vs PittsburgL  1-5 39-54
8/15vs PittsburgW  8-5 40-54
8/17vs PittsburgW  8-4 41-54
8/18vs PittsburgL  0-3 41-55
8/19vs CincinnatiL  0-6 41-56
8/19vs CincinnatiW  4-3 42-56
8/21vs CincinnatiL  4-7 42-57
8/21vs CincinnatiW  10-2 43-57
8/22vs StL CardinalsW  6-1 44-57
8/24vs StL CardinalsL  4-6 44-58
8/26vs NY GiantsW  6-5 45-58
8/26vs NY GiantsL  2-3 45-59
8/27vs NY GiantsW  3-1 46-59
8/27vs NY GiantsL  1-7 46-60
8/28vs NY GiantsL  6-12 46-61
8/31at BrooklynL  4-14 46-62
9/1at BrooklynL  3-8 46-63
9/1at BrooklynL  0-5 46-64
9/2at Phil. PhilliesW  3-1 47-64
9/2at Phil. PhilliesL  2-3 47-65
9/3at Phil. PhilliesL  1-4 47-66
9/3at Phil. PhilliesW  2-0 48-66
9/4at Phil. PhilliesL  4-6 48-67
9/4at Phil. PhilliesL  0-9 48-68
9/6vs Phil. PhilliesW  3-2 49-68
9/7vs Phil. PhilliesL  4-8 49-69
9/7vs Phil. PhilliesW  5-3 50-69
9/8vs Phil. PhilliesW  2-0 51-69
9/8vs Phil. PhilliesL  3-6 51-70
9/9at BrooklynW  1-0 52-70
9/9at BrooklynL  1-4 52-71
9/12at CincinnatiL  5-8 52-72
9/13at CincinnatiL  0-11 52-73
9/14at CincinnatiL  4-11 52-74
9/15at PittsburgL  4-7 52-75
9/15at PittsburgW  3-1 53-75
9/16at PittsburgL  6-13 53-76
9/18at PittsburgL  6-7 53-77
9/18at PittsburgL  5-6 53-78
9/19at StL CardinalsW  5-1 54-78
9/20at StL CardinalsW  7-3 55-78
9/20at StL CardinalsW  8-3 56-78
9/22at StL CardinalsW  10-1 57-78
9/24at Chi. CubsL  4-7 57-79
9/26at Chi. CubsW  4-3 58-79
9/27at Chi. CubsL  3-10 58-80