| 31st U.S. Senior Open Championship - Round 4 Full Leaderboard | |
| Updated 4:17 p.m. PDT | |
| * = Denotes 10th Tee Start; (a) = Denotes Amateur | |
| Pos | Player | Ctry | Total | Hole | Today | 1 | 2 | 3 | 4 | Total |
| 1 | LANGER, Bernhard | ![]() | -8 | F | -3 | 69 | 68 | 68 | 67 | 272 |
| 2 | COUPLES, Fred | ![]() | -5 | F | E | 70 | 70 | 65 | 70 | 275 |
| T3 | COOK, John | ![]() | -2 | F | -3 | 71 | 68 | 72 | 67 | 278 |
| T3 | BROWNE, Olin | ![]() | -2 | F | -5 | 73 | 70 | 70 | 65 | 278 |
| 5 | WATSON, Tom | ![]() | +1 | F | -4 | 70 | 70 | 75 | 66 | 281 |
| T6 | ALLEN, Michael | ![]() | +2 | F | +1 | 69 | 71 | 71 | 71 | 282 |
| T6 | SENIOR, Peter | ![]() | +2 | F | +1 | 73 | 70 | 68 | 71 | 282 |
| T8 | KITE, Tom | ![]() | +3 | F | +3 | 72 | 69 | 69 | 73 | 283 |
| T8 | LU, Chien Soon | ![]() | +3 | F | +3 | 71 | 71 | 68 | 73 | 283 |
| T8 | MIZE, Larry | ![]() | +3 | F | -2 | 74 | 69 | 72 | 68 | 283 |
| 11 | ARMOUR III, Tommy | ![]() | +4 | F | +3 | 71 | 68 | 72 | 73 | 284 |
| T12 | SIMPSON, Scott | ![]() | +5 | F | +3 | 70 | 71 | 71 | 73 | 285 |
| T12 | MORSE, John | ![]() | +5 | F | +1 | 72 | 74 | 68 | 71 | 285 |
| T12 | LEWIS, J. L. | ![]() | +5 | F | E | 72 | 70 | 73 | 70 | 285 |
| T12 | LEHMAN, Tom | ![]() | +5 | F | -1 | 69 | 75 | 72 | 69 | 285 |
| T12 | FORSMAN, Dan | ![]() | +5 | F | -3 | 78 | 71 | 69 | 67 | 285 |
| 17 | ROTH, J. R. | ![]() | +6 | F | +2 | 73 | 66 | 75 | 72 | 286 |
| T18 | WIEBE, Mark | ![]() | +7 | F | E | 73 | 72 | 72 | 70 | 287 |
| T18 | SINDELAR, Joey | ![]() | +7 | F | -2 | 74 | 71 | 74 | 68 | 287 |
| T20 | ROBERTS, Loren | ![]() | +8 | F | +6 | 68 | 72 | 72 | 76 | 288 |
| T20 | HAAS, Jay | ![]() | +8 | F | +4 | 70 | 73 | 71 | 74 | 288 |
| T20 | OZAKI, Joe | ![]() | +8 | F | +3 | 69 | 73 | 73 | 73 | 288 |
| T20 | PAVIN, Corey | ![]() | +8 | F | -2 | 72 | 75 | 73 | 68 | 288 |
| T24 | CALCAVECCHIA, Mark | ![]() | +9 | F | +5 | 69 | 73 | 72 | 75 | 289 |
| T24 | FERGUS, Keith | ![]() | +9 | F | +4 | 71 | 73 | 71 | 74 | 289 |
| T24 | HART, Jeff | ![]() | +9 | F | +2 | 73 | 72 | 72 | 72 | 289 |
| T24 | SLUMAN, Jeff | ![]() | +9 | F | E | 73 | 74 | 72 | 70 | 289 |
| T28 | REID, Mike | ![]() | +10 | F | +4 | 74 | 70 | 72 | 74 | 290 |
| T28 | ROMERO, Eduardo | ![]() | +10 | F | +3 | 71 | 72 | 74 | 73 | 290 |
| T28 | COCHRAN, Russ | ![]() | +10 | F | +2 | 75 | 69 | 74 | 72 | 290 |
| T28 | SPITTLE, Rod | ![]() | +10 | F | E | 75 | 74 | 71 | 70 | 290 |
| T32 | SANCHEZ, Javier | ![]() | +11 | F | +5 | 71 | 71 | 74 | 75 | 291 |
| T32 | TWAY, Bob | ![]() | +11 | F | +3 | 73 | 75 | 70 | 73 | 291 |
| T32 | RUTLEDGE, Jim | ![]() | +11 | F | +1 | 73 | 74 | 73 | 71 | 291 |
| T32 | JACKSON, Tim (a) | ![]() | +11 | F | E | 68 | 79 | 74 | 70 | 291 |
| T32 | PURTZER, Tom | ![]() | +11 | F | E | 72 | 75 | 74 | 70 | 291 |
| T32 | WATANABE, Tsukasa | ![]() | +11 | F | -2 | 75 | 75 | 73 | 68 | 291 |
| T38 | DOYLE, Allen | ![]() | +12 | F | +4 | 72 | 76 | 70 | 74 | 292 |
| T38 | SUTTON, Hal | ![]() | +12 | F | -1 | 73 | 77 | 73 | 69 | 292 |
| T40 | POOLEY, Don | ![]() | +13 | F | +3 | 72 | 73 | 75 | 73 | 293 |
| T40 | HALLBERG, Gary | ![]() | +13 | F | +2 | 73 | 77 | 71 | 72 | 293 |
| T40 | GILDER, Bob | ![]() | +13 | F | +1 | 75 | 74 | 73 | 71 | 293 |
| T43 | FUNK, Fred | ![]() | +14 | F | +6 | 76 | 70 | 72 | 76 | 294 |
| T43 | ROY, Jim | ![]() | +14 | F | +5 | 76 | 73 | 70 | 75 | 294 |
| T43 | JOHNSON, Mark | ![]() | +14 | F | +3 | 75 | 72 | 74 | 73 | 294 |
| T43 | TRITTLER, Paul | ![]() | +14 | F | +1 | 77 | 73 | 73 | 71 | 294 |
| T43 | GOODES, Mike | ![]() | +14 | F | +1 | 73 | 75 | 75 | 71 | 294 |
| T48 | FLEISHER, Bruce | ![]() | +15 | F | +4 | 77 | 69 | 75 | 74 | 295 |
| T48 | STADLER, Craig | ![]() | +15 | F | +3 | 74 | 75 | 73 | 73 | 295 |
| T48 | THOMSEN, Jeff | ![]() | +15 | F | +3 | 75 | 73 | 74 | 73 | 295 |
| T51 | CHANCEY, Jim | ![]() | +16 | F | +4 | 73 | 75 | 74 | 74 | 296 |
| T51 | PARKER , Rich | ![]() | +16 | F | +1 | 72 | 77 | 76 | 71 | 296 |
| T53 | VAUGHAN, Bruce | ![]() | +17 | F | +8 | 66 | 82 | 71 | 78 | 297 |
| T53 | MORGAN, Gil | ![]() | +17 | F | +5 | 76 | 74 | 72 | 75 | 297 |
| T53 | HATALSKY, Morris | ![]() | +17 | F | +4 | 77 | 72 | 74 | 74 | 297 |
| T53 | WATSON, Denis | ![]() | +17 | F | +2 | 79 | 71 | 75 | 72 | 297 |
| T53 | BRITTON, Bill | ![]() | +17 | F | E | 76 | 73 | 78 | 70 | 297 |
| T58 | JONES, Gene | ![]() | +18 | F | +3 | 78 | 71 | 76 | 73 | 298 |
| T58 | MASON, James | ![]() | +18 | F | +3 | 75 | 72 | 78 | 73 | 298 |
| T60 | NUCKOLLS, Rod | ![]() | +19 | F | +6 | 73 | 77 | 73 | 76 | 299 |
| T60 | LAWRENCE, Mike | ![]() | +19 | F | +3 | 77 | 73 | 76 | 73 | 299 |
| 62 | FROST, David | ![]() | +20 | F | +10 | 76 | 72 | 72 | 80 | 300 |
| T63 | FIEDLER, Jon | ![]() | +21 | F | +4 | 75 | 74 | 78 | 74 | 301 |
| T63 | MARSH, Graham | ![]() | +21 | F | +3 | 74 | 76 | 78 | 73 | 301 |
| T65 | WEST, Ralph | ![]() | +23 | F | +10 | 71 | 75 | 77 | 80 | 303 |
| T65 | SAUTTER, Bill | ![]() | +23 | F | +5 | 73 | 77 | 78 | 75 | 303 |
| 67 | GRACE, John (a) | ![]() | +25 | F | +6 | 74 | 75 | 80 | 76 | 305 |
| 68 | HUDSON, Steven (a) | ![]() | +27 | F | +11 | 73 | 75 | 78 | 81 | 307 |
| 69 | NIGER, Bob | ![]() | +30 | F | +15 | 77 | 73 | 75 | 85 | 310 |
![]() | Failed to Qualify | |||||||||
| EAKS, R. W. | ![]() | Cut | 74 | 77 | 151 | |||||
| JACOBS, John | ![]() | Cut | 77 | 74 | 151 | |||||
| BOYNS, Casey (a) | ![]() | Cut | 73 | 78 | 151 | |||||
| HOUSER, Mark | ![]() | Cut | 76 | 75 | 151 | |||||
| HULBERT, Mike | ![]() | Cut | 75 | 76 | 151 | |||||
| PTACEK, Ron | ![]() | Cut | 72 | 79 | 151 | |||||
| IRWIN, Hale | ![]() | Cut | 73 | 78 | 151 | |||||
| BEAN, Andy | ![]() | Cut | 76 | 75 | 151 | |||||
| ADAMS, John | ![]() | Cut | 76 | 76 | 152 | |||||
| O'MEARA, Mark | ![]() | Cut | 75 | 77 | 152 | |||||
| BYRUM, Curt | ![]() | Cut | 79 | 73 | 152 | |||||
| VLOSICH, Ron | ![]() | Cut | 75 | 77 | 152 | |||||
| EICHELBERGER, Dave | ![]() | Cut | 78 | 74 | 152 | |||||
| JOHNSON, Jerry | ![]() | Cut | 81 | 72 | 153 | |||||
| FORD, Bob | ![]() | Cut | 79 | 74 | 153 | |||||
| BLACKMAR, Phil | ![]() | Cut | 76 | 77 | 153 | |||||
| LANGE, Chris (a) | ![]() | Cut | 75 | 78 | 153 | |||||
| LEWALLEN, Rick | ![]() | Cut | 80 | 73 | 153 | |||||
| BRANNEN, Tommy | ![]() | Cut | 76 | 77 | 153 | |||||
| FREEMAN, Robin | ![]() | Cut | 77 | 77 | 154 | |||||
| COURVILLE, Jerry | ![]() | Cut | 77 | 77 | 154 | |||||
| ADAMS, Mitch | ![]() | Cut | 77 | 77 | 154 | |||||
| JENKINS, Tom | ![]() | Cut | 78 | 77 | 155 | |||||
| OGRIN, David | ![]() | Cut | 79 | 76 | 155 | |||||
| PARUN, Tim | ![]() | Cut | 81 | 74 | 155 | |||||
| DODDS, Trevor | ![]() | Cut | 78 | 77 | 155 | |||||
| COPELAND, Will | ![]() | Cut | 78 | 78 | 156 | |||||
| DOUGLASS, Dale | ![]() | Cut | 78 | 78 | 156 | |||||
| DONALD, Mike | ![]() | Cut | 76 | 80 | 156 | |||||
| LACY, Ken (a) | ![]() | Cut | 77 | 79 | 156 | |||||
| LAVERTY, Pat (a) | ![]() | Cut | 75 | 81 | 156 | |||||
| BRYANT, Brad | ![]() | Cut | 79 | 78 | 157 | |||||
| KRAUSE, Steve | ![]() | Cut | 78 | 79 | 157 | |||||
| BELL, Dave | ![]() | Cut | 82 | 75 | 157 | |||||
| CRENSHAW, Ben | ![]() | Cut | 76 | 81 | 157 | |||||
| HART, Stacey | ![]() | Cut | 79 | 78 | 157 | |||||
| RALPH, Glenn | ![]() | Cut | 81 | 76 | 157 | |||||
| BOOKER, Mike (a) | ![]() | Cut | 76 | 81 | 157 | |||||
| KLIER, Kevin (a) | ![]() | Cut | 82 | 76 | 158 | |||||
| TERASA, Eddie | ![]() | Cut | 81 | 77 | 158 | |||||
| BRANDES, Tom (a) | ![]() | Cut | 82 | 76 | 158 | |||||
| MARUCCI, Buddy (a) | ![]() | Cut | 76 | 82 | 158 | |||||
| MILLER, Lindy | ![]() | Cut | 83 | 75 | 158 | |||||
| PAUL, Michael | ![]() | Cut | 83 | 75 | 158 | |||||
| KLEIN, Jeff | ![]() | Cut | 80 | 78 | 158 | |||||
| BRYANT, Tom | ![]() | Cut | 79 | 79 | 158 | |||||
| VACCARO, John (a) | ![]() | Cut | 80 | 79 | 159 | |||||
| THOMPSON, Pat (a) | ![]() | Cut | 74 | 85 | 159 | |||||
| ZOELLER, Fuzzy | ![]() | Cut | 76 | 83 | 159 | |||||
| HERZAN, Thomas | ![]() | Cut | 81 | 78 | 159 | |||||
| MATTHEWS, Tim | ![]() | Cut | 76 | 83 | 159 | |||||
| MAUST, Dirk (a) | ![]() | Cut | 81 | 78 | 159 | |||||
| WADKINS, Bobby | ![]() | Cut | 79 | 80 | 159 | |||||
| RIFKIN, Martin (a) | ![]() | Cut | 84 | 76 | 160 | |||||
| DOLAN, Kim | ![]() | Cut | 79 | 81 | 160 | |||||
| PALLADINO, Ken (a) | ![]() | Cut | 77 | 83 | 160 | |||||
| TALLON, Dale | ![]() | Cut | 81 | 81 | 162 | |||||
| SOWINSKI, Gary | ![]() | Cut | 84 | 78 | 162 | |||||
| HARRIS, Doug | ![]() | Cut | 81 | 81 | 162 | |||||
| GILES, Vinny (a) | ![]() | Cut | 81 | 81 | 162 | |||||
| DIFFLEY, Mike | ![]() | Cut | 83 | 80 | 163 | |||||
| WALTON, Tim | ![]() | Cut | 76 | 87 | 163 | |||||
| NICKEAS, Mark (a) | ![]() | Cut | 83 | 81 | 164 | |||||
| CLEAVER, Tom | ![]() | Cut | 83 | 81 | 164 | |||||
| NORMAN, Jay | ![]() | Cut | 82 | 83 | 165 | |||||
| PAESANI, John | ![]() | Cut | 81 | 84 | 165 | |||||
| STORMONT, Jim (a) | ![]() | Cut | 84 | 81 | 165 | |||||
| STUBBLEFIELD, Larry | ![]() | Cut | 86 | 79 | 165 | |||||
| MASSEY, Dave (a) | ![]() | Cut | 82 | 84 | 166 | |||||
| MCCLURE, Gary | ![]() | Cut | 78 | 88 | 166 | |||||
| WILLIAMS, Pete (a) | ![]() | Cut | 81 | 85 | 166 | |||||
| BIEBER, Dan (a) | ![]() | Cut | 83 | 84 | 167 | |||||
| DIESU, Pat | ![]() | Cut | 91 | 76 | 167 | |||||
| MORAN, Steve (a) | ![]() | Cut | 85 | 82 | 167 | |||||
| SULLIVAN, Scott (a) | ![]() | Cut | 87 | 81 | 168 | |||||
| TEN BROECK, Rick (a) | ![]() | Cut | 86 | 83 | 169 | |||||
| NORTON, Tom (a) | ![]() | Cut | 80 | 90 | 170 | |||||
| MAHLBERG, Scott | ![]() | Cut | 82 | 89 | 171 | |||||
| ROBINSON, Tommy (a) | ![]() | Cut | 83 | 89 | 172 | |||||
| WEAVER, Ned | ![]() | Cut | 84 | 88 | 172 | |||||
| BATTISTA, Mark (a) | ![]() | Cut | 91 | 81 | 172 | |||||
| LINDEBLAD, Gary | ![]() | Cut | 89 | 85 | 174 | |||||
| FERGUSON, James (a) | ![]() | Cut | 90 | 88 | 178 | |||||
| WD | SMITH, South | ![]() | - | |||||||
| WD | LEVI, Wayne | ![]() | 80 | 80 | ||||||
| WD | JACOBSEN, Peter | ![]() | 74 | 74 | ||||||
| WD | WEIBRING, D. A. | ![]() | 77 | 77 | ||||||