| U.S. Senior Open - Player Scorecard |
| Updated 9:22 p.m. EDT |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur |
| John Cook | ![]() |
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| Hole | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | Out | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | In | Total |
| Yards | 353 | 425 | 171 | 440 | 600 | 193 | 440 | 435 | 530 | 3587 | 457 | 556 | 419 | 166 | 480 | 520 | 465 | 211 | 455 | 3729 | 7316 |
| Par | 4 | 4 | 3 | 4 | 5 | 3 | 4 | 4 | 5 | 36 | 4 | 5 | 4 | 3 | 4 | 5 | 4 | 3 | 4 | 36 | 72 |
| Round 1 | 5 | 3 | 5 | 4 | 5 | 3 | 4 | 4 | 4 | 37 | 4 | 5 | 4 | 2 | 5 | 5 | 4 | 3 | 4 | 36 | 73 |
| Round 2 | 4 | 4 | 2 | 4 | 5 | 3 | 3 | 4 | 4 | 33 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 3 | 5 | 36 | 69 |
| Round 3 | 3 | 5 | 3 | 4 | 4 | 4 | 4 | 4 | 6 | 37 | 6 | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 35 | 72 |
| Round 4 | 5 | 4 | 3 | 4 | 5 | 3 | 4 | 3 | 4 | 35 | 3 | 4 | 5 | 3 | 5 | 4 | 4 | 3 | 5 | 36 | 71 |
| -- Statistical Summary -- | |||||
| Round 1 | Round 2 | Round 3 | Round 4 | Overall | |
| Score | +1 73 | -3 69 | 0 72 | -1 71 | -3 285 |
| Average Drive | 290.5 | 279.0 | 288.0 | 264.5 | 280.5 |
| Fairways Hit Percentage | 10/14 71% | 10/14 71% | 8/14 57% | 12/14 86% | 40/56 71% |
| Greens in Regulation Percentage | 15/18 83% | 14/18 78% | 11/18 61% | 12/18 67% | 52/72 72% |
| Putts Per Round Putts Per Hole | 34/18 1.89 | 28/18 1.56 | 28/18 1.56 | 30/18 1.67 | 120/72 1.67 |
| Eagles | 0 | 0 | 0 | 0 | 0 |
| Birdies | 3 | 5 | 5 | 5 | 18 |
| Pars | 12 | 11 | 9 | 9 | 41 |
| Bogeys | 2 | 2 | 3 | 4 | 11 |
| Double Bogeys | 1 | 0 | 1 | 0 | 2 |
| Other | 0 | 0 | 0 | 0 | 0 |
| Par 3's | +1 | Even | +1 | Even | +2 |
| Par 4's | +1 | Even | +1 | +2 | +4 |
| Par 5's | -1 | -3 | -2 | -3 | -9 |