| 31st U.S. Senior Open Championship - Round 4 Eagles and Aces | |
| Updated 4:17 p.m. PDT | |
| (a) = Denotes Amateur | |
| Player | Ctry | Round | Hole | Eagle or Ace |
| WATANABE, Tsukasa | ![]() | 4 | 1 | Eagle 2 ![]() |
| SANCHEZ, Javier | ![]() | 3 | 4 | Eagle 2 ![]() |
| LEWIS, J. L. | ![]() | 3 | 11 | Eagle 3 ![]() |
| HAAS, Jay | ![]() | 3 | 2 | Eagle 3 ![]() |
| CALCAVECCHIA, Mark | ![]() | 3 | 10 | Eagle 2 ![]() |
| HART, Jeff | ![]() | 3 | 18 | Eagle 2 ![]() |
| MASON, James | ![]() | 2 | 2 | Eagle 3 ![]() |
| MARUCCI, Buddy (a) | ![]() | 2 | 2 | Eagle 3 ![]() |
| NIGER, Bob | ![]() | 2 | 2 | Eagle 3 ![]() |
| LANGER, Bernhard | ![]() | 2 | 11 | Eagle 3 ![]() |
| BEAN, Andy | ![]() | 2 | 2 | Eagle 3 ![]() |
| KITE, Tom | ![]() | 1 | 7 | Eagle 2 ![]() |
| WEST, Ralph | ![]() | 1 | 2 | Eagle 3 ![]() |