| 31st U.S. Senior Open Championship - Player Scorecard | |
| Updated 4:17 p.m. PDT | |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur | |
| John Jacobs | ![]() |
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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 | 403 | 508 | 415 | 392 | 190 | 480 | 420 | 443 | 205 | 3456 | 400 | 545 | 455 | 170 | 370 | 413 | 375 | 212 | 470 | 3410 | 6866 |
| Par | 4 | 5 | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 35 | 4 | 5 | 4 | 3 | 4 | 4 | 4 | 3 | 4 | 35 | 70 |
| Round 1 | 5 | 6 | 5 | 4 | 3 | 4 | 5 | 4 | 3 | 39 | 3 | 6 | 5 | 3 | 4 | 4 | 4 | 4 | 5 | 38 | 77 |
| Round 2 | 4 | 6 | 4 | 4 | 4 | 5 | 4 | 6 | 4 | 41 | 4 | 4 | 5 | 3 | 3 | 4 | 4 | 2 | 4 | 33 | 74 |
| Round 3 | |||||||||||||||||||||
| Round 4 | |||||||||||||||||||||
| -- Statistical Summary -- | |||||
| Round 1 | Round 2 | Round 3 | Round 4 | Overall | |
| Score | +7 77 | +4 74 | NaN | ||
| Average Drive | 257.0 | 207.5 | 232.3 | ||
| Fairways Hit Percentage | 7/14 50% | 8/14 57% | 0/0 NaN% | 0/0 NaN% | 15/28 54% |
| Greens in Regulation Percentage | 6/18 33% | 7/18 39% | 0/0 NaN% | 0/0 NaN% | 13/36 36% |
| Putts Per Round Putts Per Hole | 30/18 1.67 | 28/18 1.56 | 0/0 NaN | 0/0 NaN | 58/36 1.61 |
| Eagles | 0 | 0 | 0 | 0 | 0 |
| Birdies | 1 | 3 | 0 | 0 | 4 |
| Pars | 9 | 9 | 0 | 0 | 18 |
| Bogeys | 8 | 5 | 0 | 0 | 13 |
| Double Bogeys | 0 | 1 | 0 | 0 | 1 |
| Other | 0 | 0 | 0 | 0 | 0 |
| Par 3's | +1 | +1 | Even | Even | +2 |
| Par 4's | +4 | +3 | Even | Even | +7 |
| Par 5's | +2 | Even | Even | Even | +2 |