| 33rd U.S. SENIOR OPEN CHAMPIONSHIP ® - Round 4 Best Rounds of the Day | |
| Updated 6:12 p.m. EDT | |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur | |
| Pos | Player | Ctry | Total | Hole | Today | 1 | 2 | 3 | 4 | Total |
| T33 | RUTLEDGE, Jim | ![]() | +3 | F | -4 | 72 | 72 | 73 | 66 | 283 |
| T33 | LANE, Barry | ![]() | +3 | F | -4 | 70 | 74 | 73 | 66 | 283 |
| T17 | KIM, Jong-Duck | ![]() | E | F | -4 | 73 | 71 | 70 | 66 | 280 |
| T6 | COOK, John | ![]() | -6 | F | -4 | 69 | 72 | 67 | 66 | 274 |
| 1 | CHAPMAN, Roger | ![]() | -10 | F | -4 | 68 | 68 | 68 | 66 | 270 |
| T2 | FUNK, Fred | ![]() | -8 | F | -3 | 67 | 71 | 67 | 67 | 272 |
| T36 | BYRUM, Tom | ![]() | +4 | F | -2 | 70 | 74 | 72 | 68 | 284 |
| T22 | BLAKE, Jay Don | ![]() | +1 | F | -2 | 73 | 65 | 75 | 68 | 281 |
| T22 | EDWARDS, Joel | ![]() | +1 | F | -2 | 72 | 71 | 70 | 68 | 281 |
| T17 | GREEN, Damon | ![]() | E | F | -2 | 68 | 72 | 72 | 68 | 280 |
| T9 | SENIOR, Peter | ![]() | -3 | F | -2 | 71 | 72 | 66 | 68 | 277 |
| 8 | WIEBE, Mark | ![]() | -5 | F | -2 | 69 | 68 | 70 | 68 | 275 |
| T2 | LEHMAN, Tom | ![]() | -8 | F | -2 | 70 | 66 | 68 | 68 | 272 |
| T2 | PAVIN, Corey | ![]() | -8 | F | -2 | 67 | 69 | 68 | 68 | 272 |
| T28 | THOMPSON, Robert | ![]() | +2 | F | -1 | 70 | 72 | 71 | 69 | 282 |
| T22 | MUROTA, Kiyoshi | ![]() | +1 | F | -1 | 71 | 70 | 71 | 69 | 281 |
| T22 | WATSON, Tom | ![]() | +1 | F | -1 | 70 | 72 | 70 | 69 | 281 |
| T22 | HALLBERG, Gary | ![]() | +1 | F | -1 | 70 | 74 | 68 | 69 | 281 |
| T12 | KITE, Tom | ![]() | -2 | F | -1 | 65 | 70 | 74 | 69 | 278 |
| T36 | ROBERTS, Loren | ![]() | +4 | F | E | 71 | 69 | 74 | 70 | 284 |
| T28 | BRYANT, Brad | ![]() | +2 | F | E | 70 | 68 | 74 | 70 | 282 |
| T17 | FOWLER, Peter | ![]() | E | F | E | 70 | 74 | 66 | 70 | 280 |
| T6 | HUSTON, John | ![]() | -6 | F | E | 69 | 67 | 68 | 70 | 274 |
| T57 | CHANCEY, Jim | ![]() | +11 | F | +1 | 73 | 69 | 78 | 71 | 291 |
| T47 | HOGBERG, Mikael | ![]() | +6 | F | +1 | 67 | 75 | 73 | 71 | 286 |
| T36 | ARMOUR III, Tommy | ![]() | +4 | F | +1 | 69 | 69 | 75 | 71 | 284 |
| T36 | EGER, David | ![]() | +4 | F | +1 | 69 | 70 | 74 | 71 | 284 |
| T36 | BROWNE, Olin | ![]() | +4 | F | +1 | 69 | 74 | 70 | 71 | 284 |
| T33 | ALLEN, Michael | ![]() | +3 | F | +1 | 74 | 70 | 68 | 71 | 283 |
| T28 | SLUMAN, Jeff | ![]() | +2 | F | +1 | 67 | 71 | 73 | 71 | 282 |
| T22 | TRIPLETT, Kirk | ![]() | +1 | F | +1 | 69 | 69 | 72 | 71 | 281 |
| T12 | CALCAVECCHIA, Mark | ![]() | -2 | F | +1 | 68 | 70 | 69 | 71 | 278 |
| T9 | TEN BROECK, Lance | ![]() | -3 | F | +1 | 66 | 68 | 72 | 71 | 277 |
| T47 | OLDCORN, Andrew | ![]() | +6 | F | +2 | 70 | 69 | 75 | 72 | 286 |
| T36 | FORSMAN, Dan | ![]() | +4 | F | +2 | 69 | 71 | 72 | 72 | 284 |
| T28 | LU, Chien-Soon | ![]() | +2 | F | +2 | 69 | 68 | 73 | 72 | 282 |
| T28 | SPITTLE, Rod | ![]() | +2 | F | +2 | 70 | 69 | 71 | 72 | 282 |
| T17 | JACOBSEN, Peter | ![]() | E | F | +2 | 70 | 70 | 68 | 72 | 280 |
| T9 | HAAS, Jay | ![]() | -3 | F | +2 | 69 | 68 | 68 | 72 | 277 |
| T2 | LANGER, Bernhard | ![]() | -8 | F | +2 | 66 | 70 | 64 | 72 | 272 |
| T53 | BEAN, Andy | ![]() | +9 | F | +3 | 70 | 73 | 73 | 73 | 289 |
| T51 | SCHULZ, Ted | ![]() | +8 | F | +3 | 70 | 73 | 72 | 73 | 288 |
| T51 | TWAY, Bob | ![]() | +8 | F | +3 | 72 | 71 | 72 | 73 | 288 |
| T44 | JONES, Steve | ![]() | +5 | F | +3 | 69 | 72 | 71 | 73 | 285 |
| T17 | LOWERY, Steve | ![]() | E | F | +3 | 70 | 68 | 69 | 73 | 280 |
| T12 | COUPLES, Fred | ![]() | -2 | F | +3 | 72 | 68 | 65 | 73 | 278 |
| T60 | KNAPP, Sean | ![]() | +12 | F | +4 | 70 | 72 | 76 | 74 | 292 |
| T47 | PATE, Jerry | ![]() | +6 | F | +4 | 69 | 75 | 68 | 74 | 286 |
| T44 | FAXON, Brad | ![]() | +5 | F | +4 | 69 | 71 | 71 | 74 | 285 |
| T36 | SINDELAR, Joey | ![]() | +4 | F | +4 | 70 | 72 | 68 | 74 | 284 |
| T36 | GOODES, Mike | ![]() | +4 | F | +4 | 71 | 73 | 66 | 74 | 284 |
| T15 | MAST, Dick | ![]() | -1 | F | +4 | 68 | 68 | 69 | 74 | 279 |
| 63 | MIZE, Larry | ![]() | +13 | F | +5 | 71 | 72 | 75 | 75 | 293 |
| T60 | BROOKS, Mark | ![]() | +12 | F | +5 | 72 | 71 | 74 | 75 | 292 |
| T53 | HANZEL, Doug | ![]() | +9 | F | +5 | 71 | 72 | 71 | 75 | 289 |
| T47 | MAGEE, Andrew | ![]() | +6 | F | +5 | 74 | 70 | 67 | 75 | 286 |
| T44 | LEWALLEN, Rick | ![]() | +5 | F | +5 | 70 | 68 | 72 | 75 | 285 |
| T15 | PERNICE JR., Tom | ![]() | -1 | F | +5 | 67 | 71 | 66 | 75 | 279 |
| 56 | CHEN, T.C. | ![]() | +10 | F | +6 | 71 | 72 | 71 | 76 | 290 |
| T53 | ALLEM, Fulton | ![]() | +9 | F | +6 | 68 | 75 | 70 | 76 | 289 |
| 64 | GILDER, Bob | ![]() | +15 | F | +7 | 72 | 72 | 74 | 77 | 295 |
| T60 | REID, Mike | ![]() | +12 | F | +7 | 71 | 72 | 72 | 77 | 292 |
| 65 | EICHELBERGER, Dave | ![]() | +20 | F | +8 | 70 | 74 | 78 | 78 | 300 |
| T57 | WOLSTENHOLME, Gary | ![]() | +11 | F | +8 | 70 | 70 | 73 | 78 | 291 |
| T57 | ZOELLER, Fuzzy | ![]() | +11 | F | +8 | 70 | 74 | 69 | 78 | 291 |