Since 1987 and AU baseball's first NCAA postseason appearance, the Spartans have gone on to play in 22 NCAA Division III regionals, winning six to move on to the NCAA Division III World Series. All-Time, AU has a 47-46 record in NCAA tournament games.
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| YEAR |
NCAA LOCATION
(Record) |
AU SCORE
 |
OPPONENT SCORE
 |
| 1987 |
MIDEAST REGIONAL |
AU - 1 |
North Park - 2 |
|
3-2 |
AU - 5 |
Ohio Wesleyan - 2 |
|
|
AU - 5 |
Wooster - 3 |
|
|
AU - 6 |
Marietta - 0 |
|
|
AU - 4 |
North Central - 5 |
|
|
|
|
| 1989 |
MIDEAST REGIONAL |
AU - 6 |
Illinois Wesleyan - 7 |
|
0-2 |
AU - 4 |
Wooster - 10 |
|
|
|
|
| 1990 |
MIDEAST REGIONAL |
AU - 6 |
Marietta - 5 |
|
4-0 |
AU - 4 |
Wooster - 3 |
|
|
AU - 9 |
North Park -7 |
|
|
AU - 15 |
Marietta - 5 |
|
|
|
|
| 1990 |
Div. III WORLD SERIES |
AU - 7 |
Montclair State - 6 |
|
3-2 - 2nd place |
AU - 8 |
North Carolina Wesleyan - 7 |
|
|
AU - 0 |
Eastern Connecticut State - 4 |
|
|
AU - 12 |
North Carolina Wesleyan - 9 |
|
|
AU - 1 |
Eastern Connecticut State - 8 |
|
|
|
|
| 1991 |
CENTRAL REGIONAL |
AU - 3 |
William Penn - 5 |
|
1-2 |
AU - 9 |
North Central - 6 |
|
|
AU - 3 |
Benedictine - 6 |
|
|
|
|
| 1992 |
CENTRAL REGIONAL |
AU - 4 |
Simpson - 1 |
|
4-1 |
AU - 1 |
William Penn - 22 |
|
|
AU - 9 |
Washington Univ. - 3 |
|
|
AU - 7 |
William Penn - 2 |
|
|
AU - 3 |
William Penn - 2 |
|
|
|
|
| 1992 |
Div. III WORLD SERIES |
AU - 1 |
Ithaca - 8 |
|
0-2 - 7th place |
AU - 4 |
Marietta - 5 |
|
|
|
|
| 1993 |
CENTRAL REGIONAL |
AU - 1 |
Upper Iowa - 5 |
|
2-2 |
AU - 8 |
Benedictine - 2 |
|
|
AU - 5 |
Upper Iowa - 3 |
|
|
AU - 4 |
Carthage - 5 |
|
|
|
|
| 1994 |
CENTRAL REGIONAL |
AU - 5 |
Carthage - 9 |
|
0-2 |
AU - 2 |
North Central - 4 |
|
|
|
|
| 1995 |
CENTRAL REGIONAL |
AU - 6 |
Upper Iowa - 2 |
|
2-2 |
AU - 9 |
Carthage - 5 |
|
|
AU - 7 |
Carthage - 8 |
|
|
AU - 4 |
Carthage - 7 |
|
|
|
|
| 1996 |
CENTRAL REGIONAL |
AU - 3 |
Carthage - 2 |
|
1-2 |
AU - 2 |
Upper Iowa -8 |
|
|
AU - 4 |
MacMurray - 7 |
|
|
|
|
| 1997 |
CENTRAL REGIONAL |
AU - 7 |
MacMurray - 10 |
|
3-2 |
AU - 22 |
Wartburg - 11 |
|
|
AU - 9 |
MacMurray - 4 |
|
|
AU - 12 |
Carthage - 6 |
|
|
AU - 10 |
Carthage - 15 (10 inn.) |
|
|
|
|
| 1998 |
CENTRAL REGIONAL |
AU - 7 |
Carthage - 3 |
|
3-0 |
AU - 13 |
North Central - 7 |
|
|
AU - 13 |
North Central - 5 |
|
|
|
|
| 1998 |
Div. III WORLD SERIES |
AU - 7 |
Cal Lutheran - 6 |
|
2-2 - 3rd place |
AU - 6 |
North Carolina Wesleyan - 4 |
|
|
AU - 3 |
Eastern Connecticut State - 4 |
|
|
AU - 5 |
Montclair State - 6 |
|
|
|
|
| 1999 |
CENTRAL REGIONAL |
AU - 8 |
Augustana - 2 |
|
4-0 |
AU - 8 |
Simpson - 4 |
|
|
AU - 6 |
Carthage - 4 |
|
|
AU - 5 |
Carthage - 4 |
|
|
|
|
| 1999 |
Div. III WORLD SERIES |
AU - 1 |
William Paterson - 7 |
|
0-2 - 7th place |
AU - 2 |
Marietta - 5 |
|
|
|
|
| 2000 |
CENTRAL REGIONAL |
AU - 7 |
Wartburg - 8 |
|
0-2 |
AU - 2 |
Carthage - 11 |
|
|
|
|
| 2002 |
CENTRAL REGIONAL |
AU - 0 |
Monmouth - 4 |
|
1-2 |
AU - 10 |
Wartburg - 2 |
|
|
AU - 1 |
Monmouth - 2 |
|
|
|
|
| 2004 |
CENTRAL REGIONAL |
AU - 14 |
Illinois Wesleyan - 7 |
|
4-0 |
AU - 16 |
McMurry - 4 |
|
|
AU - 7 |
Simpson - |
|
|
AU - 21 |
Carthage - |
|
|
|
|
| 2004 |
Div. III WORLD SERIES |
AU - 2 |
SUNY-Brockport - 5 |
|
2-2 - 3rd place |
AU - 7 |
Manchester - 6 |
|
|
AU - 7 |
Rowan - 4 |
|
|
AU - 6 |
George Fox - 12 |
|
|
|
|
| 2005 |
CENTRAL REGIONAL |
AU - 2 |
Ripon - 6 |
|
0-2 |
AU - 9 |
Washington Univ. - 12 |
|
|
|
|
| 2006 |
CENTRAL REGIONAL |
AU - 9 |
Washington Univ. - 3 |
|
5-1 |
AU - 3 |
Millsaps - 11 |
|
|
AU - 5 |
Carthage - 4 |
|
|
AU - 11 |
Mt. St. Joseph10 - |
|
|
AU - 8 |
Millsaps - 6 |
|
|
AU - 12 |
Millsaps - 11 |
|
|
|
|
| 2006 |
Div. III WORLD SERIES |
AU - 2 |
Montclair State - 7 |
|
0-2 - 7th place |
AU - 3 |
Univ. of Wis.-Stevens Point - 12 |
|
|
|
|
| 2010 |
MIDWEST REGIONAL |
AU - 1 |
Univ. of Wis.-Whitewater - 6 |
|
0-2 |
AU - 5 |
Carthage - 10 |
|
|
|
|
| 2011 |
MIDWEST REGIONAL |
AU - 2 |
Univ. of Wis.-Stevens Point - 3 |
|
0-2 |
AU - 3 |
St. Thomas - 8 |
|
|
|
|
| 2012 |
MIDWEST REGIONAL |
AU - 2 |
Univ. of Wis.-Lacrosse - 1 |
|
2-2 |
AU - 4 |
St. Scholastica - 8 |
|
|
AU - 11 |
St. Norbert - 5 |
|
|
AU - 5 |
Univ. of Wis.-Whitewater - 6 |
|
|
|
|
| 2018 |
CENTRAL REGIONAL |
AU - 5 |
Univ. of Texas - Tyler - 8 |
|
0-2 |
AU - 10 |
Monmouth College - 11 |
|
|
|
|
| 2019 |
ST. LOUIS REGIONAL |
AU - 1 |
Coe College - 10 |
|
1-2 |
AU - 3 |
Cornell College - 2 |
|
|
AU - 9 |
Washington Univ - 10 (11 inn.) |