| Code | Site | Code | Site | Code | Site | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| OFG | Fun and Games DBC | OZ9 | D15 STaC | OA1 | Amarillo Regional | ||||||
| OB2 | Bella Vista Regional | OB1 | Branson West Regional | OX2 | D15 GNT | ||||||
| OX1 | D15 NAP | OK1 | Kansas City Regional | OL1 | Lawrence Regional | ||||||
| OM2 | Midwest City Regional | OM1 | Mulvane Regional | OO1 | Oklahoma City Regional | ||||||
| OO2 | Overland Park Regional | OS1 | Springfield Regional | OT2 | Topeka Regional | ||||||
| OT1 | Tulsa Regional | OW3 | Wichita Regional | OK0 | Kansas City Nationals |