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
4/17vs BrooklynL  7-9 0-1
4/18vs BrooklynW  6-1 1-1
4/21at BrooklynW  2-1 2-1
4/22at BrooklynW  7-2 3-1
4/23vs Bos. BeaneatersL  0-2 3-2
4/24vs Bos. BeaneatersW  5-4 4-2
4/25vs Bos. BeaneatersW  8-7 5-2
4/27vs Bos. BeaneatersW  10-7 6-2
4/28vs Phil. PhilliesW  12-7 7-2
4/29vs Phil. PhilliesW  9-5 8-2
4/30at Phil. PhilliesL  2-10 8-3
5/1at Phil. PhilliesW  11-3 9-3
5/2at Bos. BeaneatersL  2-5 9-4
5/6at BrooklynW  20-2 10-4
5/7vs Phil. PhilliesW  8-4 11-4
5/8vs Phil. PhilliesW  7-3 12-4
5/9vs Phil. PhilliesW  10-3 13-4
5/11vs BrooklynW  9-1 14-4
5/12vs CincinnatiL  1-4 14-5
5/13vs CincinnatiW  5-2 15-5
5/14vs CincinnatiL  0-3 15-6
5/15vs CincinnatiL  4-5 15-7
5/16vs PittsburgW  7-3 16-7
5/18vs PittsburgL  2-3 16-8
5/19vs PittsburgW  4-3 17-8
5/20vs PittsburgW  2-0 18-8
5/21vs StL CardinalsW  9-4 19-8
5/22vs StL CardinalsW  8-1 20-8
5/23vs StL CardinalsL  3-4 20-9
5/25vs StL CardinalsW  13-4 21-9
5/26vs Chi. CubsW  4-3 22-9
5/27vs Chi. CubsW  5-4 23-9
5/28vs Chi. CubsL  1-7 23-10
5/29vs Bos. BeaneatersW  3-0 24-10
5/30vs Bos. BeaneatersL  2-9 24-11
5/30vs Bos. BeaneatersW  2-0 25-11
6/1at PittsburgW  10-2 26-11
6/2at PittsburgL  0-7 26-12
6/3at PittsburgL  0-5 26-13
6/4at Chi. CubsW  9-1 27-13
6/5at Chi. CubsW  5-2 28-13
6/6at Chi. CubsW  7-4 29-13
6/7at Chi. CubsW  9-4 30-13
6/9at StL CardinalsW  11-2 31-13
6/10at StL CardinalsW  1-0 32-13
6/11at CincinnatiW  2-0 33-13
6/13at CincinnatiW  4-0 34-13
6/14at CincinnatiL  6-7 34-14
6/16at Phil. PhilliesL  1-2 34-15
6/17at Phil. PhilliesW  7-4 35-15
6/18vs Chi. CubsL  0-1 35-16
6/22vs Chi. CubsW  5-4 36-16
6/22vs Chi. CubsL  6-10 36-17
6/25vs CincinnatiL  0-5 36-18
6/25vs CincinnatiL  2-11 36-19
6/26vs PittsburgW  8-2 37-19
6/27vs PittsburgL  2-4 37-20
6/30vs StL CardinalsL  2-4 37-21
7/1vs StL CardinalsW  5-2 38-21
7/4at Chi. CubsL  9-16 38-22
7/5at Chi. CubsW  7-1 39-22
7/6at Chi. CubsW  5-1 40-22
7/7at StL CardinalsL  3-4 40-23
7/8at StL CardinalsW  10-5 41-23
7/9at StL CardinalsW  4-2 42-23
7/10at StL CardinalsL  3-4 42-24
7/11at CincinnatiW  8-6 43-24
7/12at CincinnatiW  7-5 44-24
7/13at CincinnatiL  4-5 44-25
7/14at CincinnatiW  10-3 45-25
7/15at PittsburgW  6-3 46-25
7/16at PittsburgL  4-16 46-26
7/17at PittsburgL  5-6 46-27
7/18at PittsburgL  2-3 46-28
7/21at BrooklynL  1-4 46-29
7/22at Phil. PhilliesL  2-3 46-30
7/23at Phil. PhilliesW  5-1 47-30
7/24at Phil. PhilliesL  0-3 47-31
7/25at Phil. PhilliesL  4-5 47-32
7/27vs Bos. BeaneatersL  9-11 47-33
7/28vs Bos. BeaneatersL  3-5 47-34
7/29vs Bos. BeaneatersW  5-2 48-34
7/30at BrooklynL  4-6 48-35
7/31at Bos. BeaneatersL  1-4 48-36
8/1at Bos. BeaneatersW  4-1 49-36
8/1at Bos. BeaneatersW  5-2 50-36
8/3at Bos. BeaneatersW  4-1 51-36
8/7vs Phil. PhilliesW  7-5 52-36
8/7vs Phil. PhilliesW  6-2 53-36
8/8vs BrooklynW  6-1 54-36
8/8vs BrooklynW  4-3 55-36
8/10at BrooklynW  3-1 56-36
8/11at BrooklynL  1-2 56-37
8/12vs StL CardinalsW  14-4 57-37
8/13vs StL CardinalsW  6-2 58-37
8/13vs StL CardinalsW  9-7 59-37
8/14vs StL CardinalsW  12-1 60-37
8/15vs CincinnatiL  3-8 60-38
8/17vs CincinnatiW  7-4 61-38
8/17vs CincinnatiL  5-9 61-39
8/18vs CincinnatiL  0-7 61-40
8/20vs PittsburgW  13-7 62-40
8/20vs PittsburgL  1-4 62-41
8/21vs PittsburgL  0-3 62-42
8/21vs PittsburgW  9-5 63-42
8/22vs Chi. CubsL  3-8 63-43
8/24vs Chi. CubsL  3-7 63-44
8/24vs Chi. CubsW  8-1 64-44
8/26at Bos. BeaneatersL  5-6 64-45
8/26at Bos. BeaneatersW  3-2 65-45
8/27at Bos. BeaneatersL  1-3 65-46
8/27at Bos. BeaneatersW  7-1 66-46
8/28at Bos. BeaneatersW  12-6 67-46
8/31vs Phil. PhilliesW  4-1 68-46
8/31vs Phil. PhilliesW  9-2 69-46
9/1vs Phil. PhilliesW  7-3 70-46
9/2vs BrooklynL  1-4 70-47
9/3at BrooklynW  6-0 71-47
9/4vs BrooklynW  7-6 72-47
9/4vs BrooklynL  2-7 72-48
9/5at BrooklynW  3-1 73-48
9/7vs BrooklynL  0-3 73-49
9/7at BrooklynW  6-4 74-49
9/10at Phil. PhilliesW  5-3 75-49
9/10at Phil. PhilliesW  3-1 76-49
9/12at StL CardinalsW  4-3 77-49
9/13at StL CardinalsL  1-2 77-50
9/14at StL CardinalsW  8-2 78-50
9/14at StL CardinalsW  5-0 79-50
9/15at CincinnatiL  0-8 79-51
9/16at CincinnatiL  6-7 79-52
9/18at CincinnatiW  7-5 80-52
9/19at Chi. CubsL  0-3 80-53
9/20at Chi. CubsW  6-2 81-53
9/21at Chi. CubsW  8-3 82-53
9/22at Chi. CubsL  1-6 82-54
9/23at PittsburgL  7-15 82-55
9/24at PittsburgW  7-2 83-55
9/26at PittsburgW  4-1 84-55