| 31st U.S. Senior Open Championship - Player Scorecard | |
| Updated 4:17 p.m. PDT | |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur | |
| Mark Calcavecchia | ![]() |
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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 | 3 | 5 | 4 | 5 | 3 | 4 | 4 | 5 | 3 | 36 | 4 | 4 | 4 | 3 | 4 | 4 | 4 | 3 | 3 | 33 | 69 |
| Round 2 | 4 | 4 | 3 | 4 | 5 | 4 | 3 | 4 | 3 | 34 | 5 | 5 | 5 | 3 | 4 | 5 | 5 | 3 | 4 | 39 | 73 |
| Round 3 | 4 | 4 | 5 | 5 | 3 | 3 | 4 | 4 | 4 | 36 | 2 | 5 | 4 | 3 | 4 | 5 | 5 | 3 | 5 | 36 | 72 |
| Round 4 | 4 | 4 | 4 | 3 | 5 | 5 | 4 | 4 | 3 | 36 | 4 | 5 | 4 | 3 | 5 | 5 | 4 | 5 | 4 | 39 | 75 |
| -- Statistical Summary -- | |||||
| Round 1 | Round 2 | Round 3 | Round 4 | Overall | |
| Score | -1 69 | +3 73 | +2 72 | +5 75 | +9 289 |
| Average Drive | 285.5 | 285.5 | 284.5 | 280.0 | 283.9 |
| Fairways Hit Percentage | 6/14 43% | 8/14 57% | 9/14 64% | 9/14 64% | 32/56 57% |
| Greens in Regulation Percentage | 13/18 72% | 10/18 56% | 11/18 61% | 10/18 56% | 44/72 61% |
| Putts Per Round Putts Per Hole | 31/18 1.72 | 30/18 1.67 | 30/18 1.67 | 30/18 1.67 | 121/72 1.68 |
| Eagles | 0 | 0 | 1 | 0 | 1 |
| Birdies | 3 | 3 | 2 | 2 | 10 |
| Pars | 13 | 10 | 9 | 11 | 43 |
| Bogeys | 2 | 4 | 6 | 3 | 15 |
| Double Bogeys | 0 | 1 | 0 | 2 | 3 |
| Other | 0 | 0 | 0 | 0 | 0 |
| Par 3's | Even | +2 | +1 | +4 | +7 |
| Par 4's | Even | +2 | +2 | +2 | +6 |
| Par 5's | -1 | -1 | -1 | -1 | -4 |