| 1 | | 12th Annual Bud Light Wintertime Open | A | 17-Feb to 18-Feb-1990 | $900 |
| 19 | | Riverview Open | C | 24-Feb to 25-Feb-1990 | |
| 6 | | March Monthly | C | 03-Mar-1990 | $57 |
| 22 | | Fantasy Fling | C | 24-Mar to 25-Mar-1990 | |
| 11 | | Master's Cup | A | 21-Apr to 22-Apr-1990 | $60 |
| 3 | | Japan Open 1990 | A | 18-May to 20-May-1990 | $1,322 |
| 7 | | Highland Springs 9th Annual Country Open | C | 09-Jun to 10-Jun-1990 | |
| 6 | | U.S. Open Flying Disc Championships | C | 25-Jun to 26-Jun-1990 | |
| 3 | | La Mirada Open | A | 23-Aug to 26-Aug-1990 | $396 |
| 17 | | 1990 PDGA Professional Disc Golf World Championships | M | 09-Oct to 13-Oct-1990 | $197 |
| 4 | | Gold Pan Open | C | 20-Oct to 21-Oct-1990 | $100 |
