| 4 | | 12th Annual Bud Light Wintertime Open | C | 17-Feb to 18-Feb-1990 | $250 |
| 4 | | March Monthly | C | 03-Mar-1990 | $100 |
| 7 | | Kleinman Klassic | C | 10-Mar to 11-Mar-1990 | $63 |
| 4 | | Fantasy Fling | C | 24-Mar to 25-Mar-1990 | $122 |
| 4 | | Master's Cup | C | 21-Apr to 22-Apr-1990 | $158 |
| 6 | | 7th Aquatic Park Classic | C | 29-Apr to 30-Apr-1990 | $45 |
| 10 | | Spring Fling '90 | C | 06-May to 07-May-1990 | $52 |
| 13 | | U.S. Open Flying Disc Championships | C | 25-Jun to 26-Jun-1990 | |
| 17 | | La Mirada Open | C | 23-Aug to 26-Aug-1990 | $62 |
| 26 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | $169 |
| 7 | | Gold Pan Open | C | 20-Oct to 21-Oct-1990 | $55 |
