The NCAA tournament was expanded to a 64-team format in 1985. This page provides a report of all the winning percentages for each seed matchup in the 37 tournaments since that time.

Matchup | Win % |
---|---|

- | - |

#1 over #2 | 37/67 (55.2%) |

#1 over #3 | 22/36 (61.1%) |

#1 over #4 | 48/66 (72.7%) |

#1 over #5 | 41/50 (82.0%) |

#1 over #6 | 9/12 (75.0%) |

#1 over #7 | 6/7 (85.7%) |

#1 over #8 | 59/75 (78.7%) |

#1 over #9 | 70/76 (92.1%) |

#1 over #10 | 6/7 (85.7%) |

#1 over #11 | 5/9 (55.6%) |

#1 over #12 | 20/20 (100.0%) |

#1 over #13 | 4/4 (100.0%) |

#1 over #14 | N/A |

#1 over #15 | N/A |

#1 over #16 | 147/148 (99.3%) |

Total |
495/619 (80.0%) |

Matchup | Win % |
---|---|

#2 over #1 | 30/67 (44.8%) |

- | - |

#2 over #3 | 35/57 (61.4%) |

#2 over #4 | 4/8 (50.0%) |

#2 over #5 | 1/6 (16.7%) |

#2 over #6 | 24/31 (77.4%) |

#2 over #7 | 59/85 (69.4%) |

#2 over #8 | 2/8 (25.0%) |

#2 over #9 | 0/1 (0.0%) |

#2 over #10 | 34/53 (64.2%) |

#2 over #11 | 16/19 (84.2%) |

#2 over #12 | 2/2 (100.0%) |

#2 over #13 | N/A |

#2 over #14 | N/A |

#2 over #15 | 138/148 (93.2%) |

#2 over #16 | N/A |

Total |
348/491 (70.9%) |

Matchup | Win % |
---|---|

#3 over #1 | 14/36 (38.9%) |

#3 over #2 | 22/57 (38.6%) |

- | - |

#3 over #4 | 4/7 (57.1%) |

#3 over #5 | 2/3 (66.7%) |

#3 over #6 | 46/75 (61.3%) |

#3 over #7 | 9/15 (60.0%) |

#3 over #8 | 2/2 (100.0%) |

#3 over #9 | 2/2 (100.0%) |

#3 over #10 | 9/13 (69.2%) |

#3 over #11 | 33/53 (62.3%) |

#3 over #12 | N/A |

#3 over #13 | N/A |

#3 over #14 | 126/148 (85.1%) |

#3 over #15 | 2/3 (66.7%) |

#3 over #16 | N/A |

Total |
272/416 (65.4%) |

Matchup | Win % |
---|---|

#4 over #1 | 18/66 (27.3%) |

#4 over #2 | 4/8 (50.0%) |

#4 over #3 | 3/7 (42.9%) |

- | - |

#4 over #5 | 43/77 (55.8%) |

#4 over #6 | 2/4 (50.0%) |

#4 over #7 | 2/5 (40.0%) |

#4 over #8 | 4/10 (40.0%) |

#4 over #9 | 2/3 (66.7%) |

#4 over #10 | 2/2 (100.0%) |

#4 over #11 | N/A |

#4 over #12 | 28/41 (68.3%) |

#4 over #13 | 117/148 (79.1%) |

#4 over #14 | N/A |

#4 over #15 | N/A |

#4 over #16 | N/A |

Total |
226/373 (60.6%) |

Matchup | Win % |
---|---|

#5 over #1 | 9/50 (18.0%) |

#5 over #2 | 5/6 (83.3%) |

#5 over #3 | 1/3 (33.3%) |

#5 over #4 | 34/77 (44.2%) |

- | - |

#5 over #6 | 1/1 (100.0%) |

#5 over #7 | N/A |

#5 over #8 | 1/3 (33.3%) |

#5 over #9 | 1/3 (33.3%) |

#5 over #10 | 1/1 (100.0%) |

#5 over #11 | N/A |

#5 over #12 | 95/148 (64.2%) |

#5 over #13 | 16/19 (84.2%) |

#5 over #14 | N/A |

#5 over #15 | N/A |

#5 over #16 | N/A |

Total |
165/313 (52.7%) |

Matchup | Win % |
---|---|

#6 over #1 | 3/12 (25.0%) |

#6 over #2 | 7/31 (22.6%) |

#6 over #3 | 29/75 (38.7%) |

#6 over #4 | 2/4 (50.0%) |

#6 over #5 | 0/1 (0.0%) |

- | - |

#6 over #7 | 5/8 (62.5%) |

#6 over #8 | 0/1 (0.0%) |

#6 over #9 | N/A |

#6 over #10 | 4/6 (66.7%) |

#6 over #11 | 91/148 (61.5%) |

#6 over #12 | N/A |

#6 over #13 | N/A |

#6 over #14 | 14/16 (87.5%) |

#6 over #15 | N/A |

#6 over #16 | N/A |

Total |
155/302 (51.3%) |

Matchup | Win % |
---|---|

#7 over #1 | 1/7 (14.3%) |

#7 over #2 | 26/85 (30.6%) |

#7 over #3 | 6/15 (40.0%) |

#7 over #4 | 3/5 (60.0%) |

#7 over #5 | N/A |

#7 over #6 | 3/8 (37.5%) |

- | - |

#7 over #8 | 1/2 (50.0%) |

#7 over #9 | N/A |

#7 over #10 | 90/148 (60.8%) |

#7 over #11 | 0/4 (0.0%) |

#7 over #12 | N/A |

#7 over #13 | N/A |

#7 over #14 | 1/1 (100.0%) |

#7 over #15 | 2/5 (40.0%) |

#7 over #16 | N/A |

Total |
133/280 (47.5%) |

Matchup | Win % |
---|---|

#8 over #1 | 16/75 (21.3%) |

#8 over #2 | 6/8 (75.0%) |

#8 over #3 | 0/2 (0.0%) |

#8 over #4 | 6/10 (60.0%) |

#8 over #5 | 2/3 (66.7%) |

#8 over #6 | 1/1 (100.0%) |

#8 over #7 | 1/2 (50.0%) |

- | - |

#8 over #9 | 72/148 (48.6%) |

#8 over #10 | N/A |

#8 over #11 | 1/1 (100.0%) |

#8 over #12 | 0/2 (0.0%) |

#8 over #13 | 1/1 (100.0%) |

#8 over #14 | N/A |

#8 over #15 | 1/1 (100.0%) |

#8 over #16 | N/A |

Total |
107/254 (42.1%) |

Matchup | Win % |
---|---|

#9 over #1 | 6/76 (7.9%) |

#9 over #2 | 1/1 (100.0%) |

#9 over #3 | 0/2 (0.0%) |

#9 over #4 | 1/3 (33.3%) |

#9 over #5 | 2/3 (66.7%) |

#9 over #6 | N/A |

#9 over #7 | N/A |

#9 over #8 | 76/148 (51.4%) |

- | - |

#9 over #10 | N/A |

#9 over #11 | 0/1 (0.0%) |

#9 over #12 | N/A |

#9 over #13 | 1/1 (100.0%) |

#9 over #14 | N/A |

#9 over #15 | N/A |

#9 over #16 | 1/1 (100.0%) |

Total |
88/236 (37.3%) |

Matchup | Win % |
---|---|

#10 over #1 | 1/7 (14.3%) |

#10 over #2 | 19/53 (35.8%) |

#10 over #3 | 4/13 (30.8%) |

#10 over #4 | 0/2 (0.0%) |

#10 over #5 | 0/1 (0.0%) |

#10 over #6 | 2/6 (33.3%) |

#10 over #7 | 58/148 (39.2%) |

#10 over #8 | N/A |

#10 over #9 | N/A |

- | - |

#10 over #11 | 2/4 (50.0%) |

#10 over #12 | N/A |

#10 over #13 | N/A |

#10 over #14 | 1/1 (100.0%) |

#10 over #15 | 5/5 (100.0%) |

#10 over #16 | N/A |

Total |
92/240 (38.3%) |

Matchup | Win % |
---|---|

#11 over #1 | 4/9 (44.4%) |

#11 over #2 | 3/19 (15.8%) |

#11 over #3 | 20/53 (37.7%) |

#11 over #4 | N/A |

#11 over #5 | N/A |

#11 over #6 | 57/148 (38.5%) |

#11 over #7 | 4/4 (100.0%) |

#11 over #8 | 0/1 (0.0%) |

#11 over #9 | 1/1 (100.0%) |

#11 over #10 | 2/4 (50.0%) |

- | - |

#11 over #12 | N/A |

#11 over #13 | N/A |

#11 over #14 | 6/6 (100.0%) |

#11 over #15 | N/A |

#11 over #16 | N/A |

Total |
97/245 (39.6%) |

Matchup | Win % |
---|---|

#12 over #1 | 0/20 (0.0%) |

#12 over #2 | 0/2 (0.0%) |

#12 over #3 | N/A |

#12 over #4 | 13/41 (31.7%) |

#12 over #5 | 53/148 (35.8%) |

#12 over #6 | N/A |

#12 over #7 | N/A |

#12 over #8 | 2/2 (100.0%) |

#12 over #9 | N/A |

#12 over #10 | N/A |

#12 over #11 | N/A |

- | - |

#12 over #13 | 9/12 (75.0%) |

#12 over #14 | N/A |

#12 over #15 | N/A |

#12 over #16 | N/A |

Total |
77/225 (34.2%) |

Matchup | Win % |
---|---|

#13 over #1 | 0/4 (0.0%) |

#13 over #2 | N/A |

#13 over #3 | N/A |

#13 over #4 | 31/148 (20.9%) |

#13 over #5 | 3/19 (15.8%) |

#13 over #6 | N/A |

#13 over #7 | N/A |

#13 over #8 | 0/1 (0.0%) |

#13 over #9 | 0/1 (0.0%) |

#13 over #10 | N/A |

#13 over #11 | N/A |

#13 over #12 | 3/12 (25.0%) |

- | - |

#13 over #14 | N/A |

#13 over #15 | N/A |

#13 over #16 | N/A |

Total |
37/185 (20.0%) |

Matchup | Win % |
---|---|

#14 over #1 | N/A |

#14 over #2 | N/A |

#14 over #3 | 22/148 (14.9%) |

#14 over #4 | N/A |

#14 over #5 | N/A |

#14 over #6 | 2/16 (12.5%) |

#14 over #7 | 0/1 (0.0%) |

#14 over #8 | N/A |

#14 over #9 | N/A |

#14 over #10 | 0/1 (0.0%) |

#14 over #11 | 0/6 (0.0%) |

#14 over #12 | N/A |

#14 over #13 | N/A |

- | - |

#14 over #15 | N/A |

#14 over #16 | N/A |

Total |
24/172 (14.0%) |

Matchup | Win % |
---|---|

#15 over #1 | N/A |

#15 over #2 | 10/148 (6.8%) |

#15 over #3 | 1/3 (33.3%) |

#15 over #4 | N/A |

#15 over #5 | N/A |

#15 over #6 | N/A |

#15 over #7 | 3/5 (60.0%) |

#15 over #8 | 0/1 (0.0%) |

#15 over #9 | N/A |

#15 over #10 | 0/5 (0.0%) |

#15 over #11 | N/A |

#15 over #12 | N/A |

#15 over #13 | N/A |

#15 over #14 | N/A |

- | - |

#15 over #16 | N/A |

Total |
14/162 (8.6%) |

Matchup | Win % |
---|---|

#16 over #1 | 1/148 (0.7%) |

#16 over #2 | N/A |

#16 over #3 | N/A |

#16 over #4 | N/A |

#16 over #5 | N/A |

#16 over #6 | N/A |

#16 over #7 | N/A |

#16 over #8 | N/A |

#16 over #9 | 0/1 (0.0%) |

#16 over #10 | N/A |

#16 over #11 | N/A |

#16 over #12 | N/A |

#16 over #13 | N/A |

#16 over #14 | N/A |

#16 over #15 | N/A |

- | - |

Total |
1/149 (0.7%) |