| 33rd U.S. SENIOR OPEN CHAMPIONSHIP ® - Round 4 International Leaderboard | |
| Updated 6:12 p.m. EDT | |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur | |
| Pos | Player | Ctry | Total | Hole | Today | 1 | 2 | 3 | 4 | Total |
| 1 | CHAPMAN, Roger | ![]() | -10 | F | -4 | 68 | 68 | 68 | 66 | 270 |
| T2 | LANGER, Bernhard | ![]() | -8 | F | +2 | 66 | 70 | 64 | 72 | 272 |
| T9 | SENIOR, Peter | ![]() | -3 | F | -2 | 71 | 72 | 66 | 68 | 277 |
| T17 | KIM, Jong-Duck | ![]() | E | F | -4 | 73 | 71 | 70 | 66 | 280 |
| T17 | FOWLER, Peter | ![]() | E | F | E | 70 | 74 | 66 | 70 | 280 |
| T22 | MUROTA, Kiyoshi | ![]() | +1 | F | -1 | 71 | 70 | 71 | 69 | 281 |
| T28 | LU, Chien-Soon | ![]() | +2 | F | +2 | 69 | 68 | 73 | 72 | 282 |
| T28 | SPITTLE, Rod | ![]() | +2 | F | +2 | 70 | 69 | 71 | 72 | 282 |
| T33 | RUTLEDGE, Jim | ![]() | +3 | F | -4 | 72 | 72 | 73 | 66 | 283 |
| T33 | LANE, Barry | ![]() | +3 | F | -4 | 70 | 74 | 73 | 66 | 283 |
| T47 | HOGBERG, Mikael | ![]() | +6 | F | +1 | 67 | 75 | 73 | 71 | 286 |
| T47 | OLDCORN, Andrew | ![]() | +6 | F | +2 | 70 | 69 | 75 | 72 | 286 |
| T53 | ALLEM, Fulton | ![]() | +9 | F | +6 | 68 | 75 | 70 | 76 | 289 |
| 56 | CHEN, T.C. | ![]() | +10 | F | +6 | 71 | 72 | 71 | 76 | 290 |
| T57 | WOLSTENHOLME, Gary | ![]() | +11 | F | +8 | 70 | 70 | 73 | 78 | 291 |