| 32nd U.S. Senior Open Championship ® - Round 4 Best Rounds of the Day | |
| Updated 6:06 p.m. EDT | |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur | |
| Pos | Player | Ctry | Total | Hole | Today | 1 | 2 | 3 | 4 | Total |
| T23 | NICOLETTE, Mike | ![]() | -2 | F | -4 | 73 | 69 | 73 | 67 | 282 |
| T29 | EGER, David | ![]() | -1 | F | -3 | 71 | 70 | 74 | 68 | 283 |
| T9 | PATE, Steve | ![]() | -7 | F | -3 | 68 | 71 | 70 | 68 | 277 |
| T4 | IRWIN, Hale | ![]() | -10 | F | -3 | 69 | 71 | 66 | 68 | 274 |
| T42 | TWAY, Bob | ![]() | +2 | F | -2 | 73 | 71 | 73 | 69 | 286 |
| 41 | HANEFELD, Kirk | ![]() | +1 | F | -2 | 71 | 70 | 75 | 69 | 285 |
| T23 | RUTLEDGE, Jim | ![]() | -2 | F | -2 | 73 | 71 | 69 | 69 | 282 |
| T17 | COCHRAN, Russ | ![]() | -3 | F | -2 | 70 | 69 | 73 | 69 | 281 |
| T9 | HUSTON, John | ![]() | -7 | F | -2 | 69 | 69 | 70 | 69 | 277 |
| T7 | PAVIN, Corey | ![]() | -8 | F | -2 | 68 | 69 | 70 | 69 | 276 |
| 3 | CALCAVECCHIA, Mark | ![]() | -11 | F | -2 | 68 | 67 | 69 | 69 | 273 |
| T29 | NIELSEN, Lonnie | ![]() | -1 | F | -1 | 70 | 74 | 69 | 70 | 283 |
| T23 | LEHMAN, Tom | ![]() | -2 | F | -1 | 73 | 69 | 70 | 70 | 282 |
| T17 | BRYANT, Brad | ![]() | -3 | F | -1 | 74 | 69 | 68 | 70 | 281 |
| T15 | SIMPSON, Scott | ![]() | -4 | F | -1 | 70 | 70 | 70 | 70 | 280 |
| T13 | GREEN, Damon | ![]() | -6 | F | -1 | 67 | 71 | 70 | 70 | 278 |
| T9 | PRICE, Nick | ![]() | -7 | F | -1 | 70 | 69 | 68 | 70 | 277 |
| T9 | LANGER, Bernhard | ![]() | -7 | F | -1 | 70 | 69 | 68 | 70 | 277 |
| T7 | ALLEN, Michael | ![]() | -8 | F | -1 | 66 | 69 | 71 | 70 | 276 |
| T4 | SINDELAR, Joey | ![]() | -10 | F | -1 | 69 | 66 | 69 | 70 | 274 |
| T55 | WILK, Vic | ![]() | +6 | F | E | 71 | 72 | 76 | 71 | 290 |
| T37 | WEIBRING, D.A. | ![]() | E | F | E | 74 | 68 | 71 | 71 | 284 |
| T23 | WIEBE, Mark | ![]() | -2 | F | E | 67 | 71 | 73 | 71 | 282 |
| T23 | HOGBERG, Mikael | ![]() | -2 | F | E | 73 | 70 | 68 | 71 | 282 |
| T17 | FORSMAN, Dan | ![]() | -3 | F | E | 70 | 71 | 69 | 71 | 281 |
| T13 | HAAS, Jay | ![]() | -6 | F | E | 70 | 69 | 68 | 71 | 278 |
| 6 | SENIOR, Peter | ![]() | -9 | F | E | 69 | 67 | 68 | 71 | 275 |
| 1 | BROWNE, Olin | ![]() | -15 | F | E | 64 | 69 | 65 | 71 | 269 |
| 57 | FERGUS, Keith | ![]() | +8 | F | +1 | 74 | 69 | 77 | 72 | 292 |
| T50 | BRITTON, Bill | ![]() | +4 | F | +1 | 70 | 74 | 72 | 72 | 288 |
| T42 | SCHULZ, Ted | ![]() | +2 | F | +1 | 69 | 74 | 71 | 72 | 286 |
| T29 | MIZE, Larry | ![]() | -1 | F | +1 | 71 | 70 | 70 | 72 | 283 |
| T23 | LOWERY, Steve | ![]() | -2 | F | +1 | 73 | 70 | 67 | 72 | 282 |
| T17 | MUROTA, Kiyoshi | ![]() | -3 | F | +1 | 68 | 69 | 72 | 72 | 281 |
| 2 | O'MEARA, Mark | ![]() | -12 | F | +1 | 66 | 68 | 66 | 72 | 272 |
| 54 | ARMOUR III, Tommy | ![]() | +5 | F | +2 | 68 | 75 | 73 | 73 | 289 |
| T48 | MCNULTY, Mark | ![]() | +3 | F | +2 | 72 | 69 | 73 | 73 | 287 |
| T48 | HART, Jeff | ![]() | +3 | F | +2 | 73 | 71 | 70 | 73 | 287 |
| T42 | LU, Chien-Soon | ![]() | +2 | F | +2 | 70 | 72 | 71 | 73 | 286 |
| T42 | HALLBERG, Gary | ![]() | +2 | F | +2 | 70 | 73 | 70 | 73 | 286 |
| T42 | JENKINS, Tom | ![]() | +2 | F | +2 | 72 | 71 | 70 | 73 | 286 |
| T37 | NELSON, Larry | ![]() | E | F | +2 | 69 | 69 | 73 | 73 | 284 |
| T29 | KITE, Tom | ![]() | -1 | F | +2 | 72 | 67 | 71 | 73 | 283 |
| T17 | ROBERTS, Loren | ![]() | -3 | F | +2 | 71 | 69 | 68 | 73 | 281 |
| T55 | GILDER, Bob | ![]() | +6 | F | +3 | 72 | 72 | 72 | 74 | 290 |
| T50 | CARTER, Jim | ![]() | +4 | F | +3 | 74 | 69 | 71 | 74 | 288 |
| T37 | THORPE, Jim | ![]() | E | F | +3 | 68 | 74 | 68 | 74 | 284 |
| T37 | BLACKMAR, Phil | ![]() | E | F | +3 | 73 | 69 | 68 | 74 | 284 |
| T29 | WOOD, Willie | ![]() | -1 | F | +3 | 70 | 70 | 69 | 74 | 283 |
| T15 | ROTH, Jeff | ![]() | -4 | F | +3 | 72 | 66 | 68 | 74 | 280 |
| 58 | WILLIAMS, Chris | ![]() | +10 | F | +4 | 70 | 72 | 77 | 75 | 294 |
| T50 | FUNK, Fred | ![]() | +4 | F | +4 | 71 | 71 | 71 | 75 | 288 |
| T50 | JACKSON, Tim | ![]() | +4 | F | +4 | 72 | 72 | 69 | 75 | 288 |
| T42 | YUHARA, Nobumitsu | ![]() | +2 | F | +4 | 72 | 68 | 71 | 75 | 286 |
| T29 | DODDS, Trevor | ![]() | -1 | F | +4 | 68 | 69 | 71 | 75 | 283 |
| T29 | JONES, Steve | ![]() | -1 | F | +5 | 67 | 71 | 69 | 76 | 283 |
| T29 | SUTTON, Hal | ![]() | -1 | F | +5 | 74 | 67 | 66 | 76 | 283 |
| 59 | BROOKS, Mark | ![]() | +11 | F | +6 | 70 | 72 | 76 | 77 | 295 |
| T17 | SLUMAN, Jeff | ![]() | -3 | F | +6 | 68 | 71 | 65 | 77 | 281 |
| 60 | ENDRES, Chris | ![]() | +15 | F | +9 | 72 | 72 | 75 | 80 | 299 |