| 3 | 0.00 | Berserkeley Pairs | C | 20-Jan to 21-Jan-1990 | $50 |
| 2 | | Aquatic Winter Tune Up | C | 10-Feb to 11-Feb-1990 | $92 |
| 6 | | 12th Annual Bud Light Wintertime Open | A | 17-Feb to 18-Feb-1990 | $100 |
| 12 | | Fantasy Fling | C | 24-Mar to 25-Mar-1990 | $36 |
| 6 | | Tadmore Open | C | 14-Apr-1990 | $10 |
| 11 | | Master's Cup | A | 21-Apr to 22-Apr-1990 | $60 |
| 1 | | 7th Aquatic Park Classic | C | 29-Apr to 30-Apr-1990 | $200 |
| 13 | | Spring Fling '90 | C | 06-May to 07-May-1990 | $35 |
| 5 | | U.S. Open Flying Disc Championships | C | 25-Jun to 26-Jun-1990 | |
| 2 | | 12th New Horizons Open | C | 04-Aug to 05-Aug-1990 | $57 |
| 39 | | La Mirada Open | A | 23-Aug to 26-Aug-1990 | |
| 1 | | 2nd Annual Crane Creek Open | C | 02-Sep to 03-Sep-1990 | $200 |
| 38 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | $120 |
