| U.S. Senior Open - Player Scorecard |
| Updated 9:22 p.m. EDT |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur |
| Scott Mahlberg | ![]() |
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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 | 4 | 4 | 3 | 5 | 6 | 3 | 4 | 3 | 5 | 37 | 5 | 5 | 4 | 3 | 4 | 6 | 4 | 2 | 4 | 37 | 74 |
| Round 2 | 3 | 3 | 4 | 5 | 4 | 3 | 4 | 4 | 4 | 34 | 6 | 5 | 5 | 3 | 5 | 6 | 5 | 4 | 4 | 43 | 77 |
| Round 3 | |||||||||||||||||||||
| Round 4 | |||||||||||||||||||||
| -- Statistical Summary -- | |||||
| Round 1 | Round 2 | Round 3 | Round 4 | Overall | |
| Score | +2 74 | +5 77 | NaN | ||
| Average Drive | 290.0 | 306.0 | 298.0 | ||
| Fairways Hit Percentage | 7/14 50% | 8/14 57% | 0/0 NaN% | 0/0 NaN% | 15/28 54% |
| Greens in Regulation Percentage | 10/18 56% | 9/18 50% | 0/0 NaN% | 0/0 NaN% | 19/36 53% |
| Putts Per Round Putts Per Hole | 28/18 1.56 | 33/18 1.83 | 0/0 NaN | 0/0 NaN | 61/36 1.69 |
| Eagles | 0 | 0 | 0 | 0 | 0 |
| Birdies | 2 | 4 | 0 | 0 | 6 |
| Pars | 12 | 6 | 0 | 0 | 18 |
| Bogeys | 4 | 7 | 0 | 0 | 11 |
| Double Bogeys | 0 | 1 | 0 | 0 | 1 |
| Other | 0 | 0 | 0 | 0 | 0 |
| Par 3's | -1 | +2 | Even | Even | +1 |
| Par 4's | +1 | +4 | Even | Even | +5 |
| Par 5's | +2 | -1 | Even | Even | +1 |