Toughest Courses (Season)
| Ranking | Course | Tournament | Avg. Score | Avg (over / under) | Par | Yardage | Eagles | Birdies | Par | Bogeys | Double Bogeys | Other |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Accordia Golf Narashino CC | ZOZO CHAMPIONSHIP | 70.484 | +.484 | 70 | 7041 | 15 | 945 | 3626 | 878 | 878 | 14 |
| 2 | Silverado Resort and Spa North | Fortinet Championship | 71.038 | -.962 | 72 | 7123 | 37 | 1688 | 5184 | 1104 | 1104 | 13 |
| 3 | TPC Summerlin | Shriners Children's Open | 68.926 | -2.074 | 71 | 7255 | 43 | 1905 | 4818 | 870 | 870 | 20 |
| 4 | Country Club of Jackson | Sanderson Farms Championship | 69.871 | -2.130 | 72 | 7461 | 47 | 1846 | 4788 | 872 | 872 | 6 |
| 5 | The Summit Club | THE CJ CUP @ SUMMIT | 68.435 | -3.566 | 72 | 7431 | 71 | 1627 | 3310 | 529 | 529 | 9 |