| 27 | | B G Open | C | 31-Mar to 01-Apr-1990 | |
| 33 | | Tournament of Champions | A | 07-Apr to 08-Apr-1990 | |
| 2 | | Frisbee Fling-a-Thing | C | 28-Apr-1990 | $85 |
| 18 | | 1990 Pepsi Rocket City Super Tournament | A | 19-May to 20-May-1990 | $76 |
| 44 | | 1990 Edgewood Electric Open | A | 02-Jun to 03-Jun-1990 | |
| 9 | | 6th Circus City Open | C | 09-Jun to 10-Jun-1990 | $100 |
| 10 | | Checkered Flag Disc Golf Tournament | C | 16-Jun to 17-Jun-1990 | $15 |
| 5 | 170.00 | 3 Rivers Open | C | 07-Jul to 08-Jul-1990 | $90 |
| 29 | | Mid-America Open | A | 14-Jul to 15-Jul-1990 | |
| 14 | 185.00 | 1990 Ohio State Championships | C | 04-Aug to 05-Aug-1990 | |
| 13 | | Circular Skies Over Athens | C | 18-Aug to 19-Aug-1990 | $65 |
| 16 | | S & H Open | C | 15-Sep to 16-Sep-1990 | $47 |
| 2 | | Fort Fall 54 | C | 22-Sep-1990 | $117 |
| 3 | | Peru Fall Series | C | 23-Sep-1990 | $100 |
| 15 | | Indiana Fall Finale | C | 30-Sep-1990 | |
| 71 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | |
