53 Wins, 42 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 12/30/86 | Lost | Royal 42 | Kittitas 46 | Non-league | 1.924 |
| 12/19/87 | Won | Royal 46 | Connell 42 | League | 1.148 |
| 01/15/88 | Won | Royal 49 | Prosser 47 | League | 2.997 |
| 01/23/88 | Won | Royal 54 | Connell 40 | League | 1.148 |
| 01/30/88 | Won | Royal 52 | Grandview 50 | League | 5.368 |
| 02/10/89 | Lost | Royal 52 | Columbia (Burbank) 61 | League | 8.362 |
| 12/02/89 | Lost | Royal 36 | Othello 37 | Non-league | 6.533 |
| 12/05/89 | Lost | Royal 40 | Quincy 49 | Non-league | 0.761 |
| 12/09/89 | Won | Royal 58 | White Swan 45 | League | 9.890 |
| 12/19/89 | Lost | Royal 49 | River View 51 | Non-league | 4.777 |
| 02/05/91 | Lost | Royal 35 | Sunnyside Christian 50 | League | 0.583 |
| 02/22/91 | Lost | Royal 63 | Glenwood 71 | Playoff | 0.290 |
| 12/14/91 | Won | Royal 65 | DeSales 49 | Non-league | 5.453 |
| 02/29/92 | Lost | Royal 69 | Klickitat 72 | Playoff | 10.677 |
| 12/05/92 | Lost | Royal 43 | Columbia (Burbank) 48 | Non-league | 9.618 |
| 02/05/93 | Lost | Royal 44 | Kittitas 47 | League | 11.234 |
| 02/06/93 | Won | Royal 51 | Sunnyside Christian 48 | League | 11.769 |
| 02/27/93 | Won | Royal 65 | Sunnyside Christian 57 | Playoff | 11.769 |
| 03/03/93 | Won | Royal 54 | Toutle Lake 52 | Playoff | 5.218 |
| 03/05/93 | Won | Royal 62 | Liberty Bell 51 | Playoff | 0.324 |
| 12/07/93 | Won | Royal 50 | Sunnyside Christian 49 | Non-league | 11.265 |
| 01/22/94 | Lost | Royal 45 | Kiona-Benton 49 | League | 0.945 |
| 02/11/94 | Lost | Royal 38 | Zillah 41 | League | 4.855 |
| 12/10/94 | Lost | Royal 40 | Sunnyside Christian 46 | Non-league | 0.947 |
| 12/16/94 | Lost | Royal 31 | Naches Valley 36 | Non-league | 3.963 |
| 12/30/94 | Lost | Royal 39 | Cashmere 45 | Non-league | 6.857 |
| 01/03/95 | Lost | Royal 54 | Sunnyside Christian 75 | Non-league | 0.947 |
| 01/10/95 | Won | Royal 59 | Connell 52 | League | 2.798 |
| 01/13/95 | Won | Royal 50 | White Swan 46 | Non-league | 3.522 |
| 02/10/95 | Won | Royal 53 | Zillah 46 | League | 1.899 |
| 02/23/95 | Won | Royal 53 | Connell 50 | Playoff | 2.798 |
| 11/30/95 | Lost | Royal 56 | Quincy 59 | Non-league | 7.850 |
| 01/12/96 | Lost | Royal 37 | River View 45 | League | 6.861 |
| 02/03/96 | Lost | Royal 37 | River View 44 | League | 6.861 |
| 02/09/96 | Lost | Royal 56 | Zillah 57 | Non-league | 0.375 |
| 02/28/96 | Won | Royal 62 | King's 49 | Playoff | 4.819 |
| 03/01/96 | Won | Royal 55 | Seattle Christian 46 | Playoff | 5.840 |
| 12/14/96 | Lost | Royal 45 | Naches Valley 47 | Non-league | 8.881 |
| 01/03/97 | Won | Royal 46 | Dayton 36 | League | 8.358 |
| 02/21/97 | Lost | Royal 43 | Highland 45 | Playoff | 1.489 |
| 12/09/97 | Won | Royal 57 | Columbia (Burbank) 42 | Non-league | 5.088 |
| 01/10/98 | Won | Royal 67 | Kittitas 50 | League | 7.379 |
| 02/07/98 | Lost | Royal 50 | Highland 70 | League | 1.683 |
| 02/19/98 | Won | Royal 68 | Dayton 66 | Playoff | 22.638 |
| 12/08/98 | Won | Royal 58 | Cashmere 43 | Non-league | 3.407 |
| 12/12/98 | Won | Royal 69 | Dayton 61 | Non-league | 5.718 |
| 01/09/99 | Won | Royal 64 | Kittitas 63 | League | 4.024 |
| 01/29/99 | Won | Royal 56 | Kittitas 43 | League | 4.024 |
| 02/06/99 | Lost | Royal 48 | Highland 57 | League | 0.863 |
| 02/20/99 | Lost | Royal 61 | Columbia (Burbank) 63 | Playoff | 8.420 |
| 12/18/99 | Lost | Royal 48 | Quincy 66 | Non-league | 0.271 |
| 01/07/00 | Lost | Royal 51 | Granger 60 | Non-league | 4.370 |
| 02/05/00 | Won | Royal 56 | Columbia (Burbank) 50 | League | 7.368 |
| 02/11/00 | Won | Royal 53 | Warden 43 | League | 10.399 |
| 12/28/00 | Lost | Royal 37 | Mabton 47 | Non-league | 24.666 |
| 01/03/01 | Lost | Royal 33 | Toppenish 54 | Non-league | 5.770 |
| 01/05/01 | Lost | Royal 48 | Granger 51 | Non-league | 5.438 |
| 01/30/01 | Won | Royal 54 | Columbia (Burbank) 36 | League | 12.605 |
| 02/17/01 | Lost | Royal 29 | Granger 37 | Playoff | 5.438 |
| 02/24/01 | Won | Royal 53 | White Swan 44 | Playoff | 2.117 |
| 02/28/01 | Won | Royal 44 | Seattle Christian 36 | Playoff | 2.351 |
| 12/15/01 | Won | Royal 52 | Granger 25 | Non-league | 2.267 |
| 01/18/02 | Won | Royal 45 | Columbia (Burbank) 42 | League | 20.341 |
| 02/07/03 | Won | Royal 56 | Columbia (Burbank) 46 | League | 8.668 |
| 02/14/03 | Won | Royal 51 | Dayton 44 | League | 11.614 |
| 12/20/03 | Won | Royal 48 | Liberty (Spangle) 45 | Non-league | 1.316 |
| 01/16/04 | Lost | Royal 41 | Wahluke 43 | League | 15.249 |
| 01/27/04 | Won | Royal 53 | Cle Elum-Roslyn 49 | Non-league | 7.120 |
| 12/18/04 | Won | Royal 45 | Goldendale 42 | Non-league | 1.769 |
| 01/29/05 | Lost | Royal 40 | Wahluke 52 | League | 2.495 |
| 02/04/05 | Won | Royal 47 | River View 35 | League | 7.427 |
| 01/07/06 | Won | Royal 50 | Walla Walla Valley Academy 42 | League | 1.702 |
| 01/24/06 | Won | Royal 56 | Walla Walla Valley Academy 47 | League | 1.702 |
| 02/06/07 | Won | Royal 51 | Warden 47 | League | 17.475 |
| 11/29/07 | Won | Royal 51 | Quincy 43 | Non-league | 5.190 |
| 12/14/07 | Won | Royal 58 | Highland 53 | Non-league | 11.068 |
| 01/04/08 | Won | Royal 44 | River View 42 | League | 1.872 |
| 02/10/09 | Lost | Royal 52 | Warden 57 | League | 2.927 |
| 02/12/09 | Lost | Royal 57 | Kiona-Benton 59 | League | 0.648 |
| 12/16/11 | Won | Royal 45 | Warden 34 | Non-league | 1.460 |
| 01/21/14 | Won | Royal 44 | Othello 31 | Non-league | 4.514 |
| 12/09/14 | Won | Royal 34 | Warden 33 | Non-league | 12.142 |
| 12/19/14 | Lost | Royal 45 | Wahluke 46 | League | 8.110 |
| 01/17/15 | Lost | Royal 33 | Wahluke 35 | League | 8.110 |
| 01/07/16 | Won | Royal 41 | Cascade (Leavenworth) 34 | Non-league | 6.062 |
| 01/16/16 | Won | Royal 31 | Wahluke 25 | League | 1.222 |
| 01/24/17 | Won | Royal 48 | Othello 31 | Non-league | 3.375 |
| 01/27/17 | Won | Royal 49 | Wahluke 46 | League | 1.730 |
| 01/30/17 | Lost | Royal 40 | College Place 42 | League | 1.933 |
| 02/04/17 | Lost | Royal 49 | Naches Valley 56 | Non-league | 1.736 |
| 12/09/17 | Lost | Royal 41 | Goldendale 51 | Non-league | 18.053 |
| 12/27/17 | Lost | Royal 50 | Eatonville 51 | Non-league | 9.228 |
| 01/05/18 | Lost | Royal 45 | Wahluke 52 | League | 3.315 |
| 01/12/19 | Won | Royal 53 | Connell 49 | League | 7.388 |
| 12/21/19 | Won | Royal 60 | Omak 57 | Non-league | 8.347 |
39 Wins, 40 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 01/03/03 | Won | Royal 48 | Almira Coulee Hartline 44 | Non-league | 2.571 |
| 01/07/03 | Won | Royal 58 | Cle Elum-Roslyn 52 | Non-league | 2.693 |
| 01/24/03 | Lost | Royal 56 | Warden 62 | League | 8.177 |
| 01/25/03 | Lost | Royal 43 | Dayton 53 | League | 1.561 |
| 02/01/03 | Won | Royal 48 | Wahluke 41 | League | 3.405 |
| 02/07/03 | Won | Royal 52 | Columbia (Burbank) 50 | League | 3.683 |
| 12/18/03 | Won | Royal 50 | Highland 41 | Non-league | 4.208 |
| 12/30/03 | Lost | Royal 55 | Moses Lake Christian 57 | Non-league | 9.155 |
| 01/16/04 | Won | Royal 44 | Wahluke 39 | League | 0.183 |
| 01/24/04 | Lost | Royal 48 | Dayton 50 | League | 0.076 |
| 01/31/04 | Won | Royal 62 | Wahluke 58 | League | 0.183 |
| 02/07/04 | Lost | Royal 65 | Warden 74 | League | 4.359 |
| 02/13/04 | Lost | Royal 38 | Dayton 45 | League | 0.076 |
| 01/25/05 | Won | Royal 72 | Walla Walla Valley Academy 61 | League | 3.395 |
| 02/04/05 | Won | Royal 65 | River View 59 | League | 4.617 |
| 12/10/05 | Won | Royal 70 | Lake Roosevelt 47 | Non-league | 5.740 |
| 12/16/05 | Won | Royal 53 | Highland 44 | Non-league | 2.992 |
| 01/07/06 | Lost | Royal 48 | Walla Walla Valley Academy 70 | League | 3.961 |
| 01/20/06 | Won | Royal 70 | Columbia (Burbank) 59 | League | 5.160 |
| 01/21/06 | Lost | Royal 51 | Warden 63 | League | 1.507 |
| 01/24/06 | Lost | Royal 49 | Walla Walla Valley Academy 55 | League | 3.961 |
| 02/04/06 | Won | Royal 44 | Columbia (Burbank) 36 | League | 5.160 |
| 02/10/06 | Lost | Royal 45 | Warden 63 | League | 1.507 |
| 12/05/06 | Won | Royal 60 | Mabton 52 | Non-league | 9.213 |
| 12/15/06 | Won | Royal 54 | Highland 52 | Non-league | 2.010 |
| 01/12/07 | Lost | Royal 50 | Wahluke 53 | League | 1.818 |
| 02/06/07 | Lost | Royal 41 | Warden 43 | League | 2.080 |
| 02/08/07 | Lost | Royal 35 | Kiona-Benton 44 | League | 0.467 |
| 02/10/07 | Won | Royal 59 | White Swan 56 | Playoff | 2.912 |
| 12/18/07 | Won | Royal 56 | Kittitas 55 | Non-league | 5.302 |
| 02/02/08 | Won | Royal 55 | Wahluke 48 | League | 3.945 |
| 02/07/08 | Won | Royal 52 | Kiona-Benton 42 | League | 4.540 |
| 02/09/08 | Won | Royal 69 | Wahluke 64 | Playoff | 3.945 |
| 12/06/08 | Lost | Royal 41 | Cle Elum-Roslyn 52 | Non-league | 0.654 |
| 02/06/09 | Won | Royal 64 | Columbia (Burbank) 45 | League | 11.562 |
| 02/10/09 | Lost | Royal 66 | Warden 70 | League | 2.880 |
| 01/16/10 | Lost | Royal 32 | Warden 40 | League | 1.010 |
| 01/08/11 | Won | Royal 45 | Connell 42 | League | 4.647 |
| 02/05/11 | Won | Royal 47 | Columbia (Burbank) 43 | League | 5.146 |
| 01/06/12 | Lost | Royal 51 | Mabton 55 | League | 4.875 |
| 01/28/12 | Lost | Royal 57 | Wahluke 58 | League | 16.414 |
| 02/16/12 | Won | Royal 44 | Kiona-Benton 36 | Playoff | 1.478 |
| 12/15/12 | Lost | Royal 46 | Wahluke 50 | League | 6.660 |
| 12/21/12 | Lost | Royal 42 | Connell 47 | League | 0.699 |
| 01/08/13 | Won | Royal 39 | Naches Valley 37 | Non-league | 12.053 |
| 01/18/13 | Won | Royal 45 | River View 43 | League | 0.447 |
| 01/22/13 | Lost | Royal 37 | Connell 45 | League | 0.699 |
| 01/25/13 | Lost | Royal 47 | Columbia (Burbank) 55 | League | 0.748 |
| 12/21/13 | Won | Royal 58 | Wahluke 52 | League | 7.294 |
| 12/09/14 | Lost | Royal 46 | Warden 51 | Non-league | 1.210 |
| 12/12/14 | Lost | Royal 48 | Highland 58 | Non-league | 7.710 |
| 01/06/15 | Won | Royal 70 | Cle Elum-Roslyn 59 | Non-league | 0.390 |
| 01/13/15 | Won | Royal 59 | Columbia (Burbank) 55 | League | 1.839 |
| 01/23/15 | Won | Royal 57 | Naches Valley 36 | Non-league | 6.414 |
| 02/06/15 | Won | Royal 61 | Kiona-Benton 36 | League | 1.076 |
| 12/14/15 | Lost | Royal 48 | White Swan 52 | Non-league | 5.293 |
| 12/28/15 | Lost | Royal 36 | Highland 48 | Non-league | 6.757 |
| 01/07/16 | Won | Royal 51 | Cascade (Leavenworth) 49 | Non-league | 5.417 |
| 01/30/16 | Won | Royal 51 | Columbia (Burbank) 40 | League | 1.345 |
| 02/01/16 | Won | Royal 65 | Cle Elum-Roslyn 54 | Non-league | 4.656 |
| 02/13/16 | Won | Royal 57 | Granger 51 | Playoff | 7.340 |
| 12/17/16 | Lost | Royal 46 | River View 53 | League | 1.861 |
| 12/20/16 | Lost | Royal 48 | Columbia (Burbank) 62 | League | 2.017 |
| 12/29/16 | Lost | Royal 56 | Franklin Pierce 60 | Non-league | 16.600 |
| 01/03/17 | Won | Royal 71 | Omak 49 | Non-league | 1.791 |
| 01/07/17 | Lost | Royal 63 | Connell 71 | League | 0.481 |
| 01/13/17 | Lost | Royal 68 | Kiona-Benton 71 | League | 1.655 |
| 01/20/17 | Lost | Royal 62 | River View 64 | League | 1.861 |
| 12/22/17 | Lost | Royal 52 | Naches Valley 63 | Non-league | 3.630 |
| 12/28/17 | Lost | Royal 67 | Bellevue Christian 69 | Non-league | 3.200 |
| 02/02/18 | Lost | Royal 50 | Kiona-Benton 52 | League | 6.290 |
| 02/10/18 | Lost | Royal 54 | Naches Valley 69 | Playoff | 3.630 |
| 12/14/18 | Lost | Royal 50 | Connell 60 | League | 1.053 |
| 12/15/18 | Lost | Royal 65 | Omak 70 | Non-league | 0.759 |
| 01/17/19 | Won | Royal 70 | Cashmere 59 | Non-league | 5.519 |
| 02/16/19 | Won | Royal 56 | La Salle 46 | Playoff | 1.552 |
| 02/27/19 | Lost | Royal 40 | Connell 43 | Playoff | 1.053 |
| 01/14/20 | Lost | Royal 51 | Wahluke 52 | League | 6.413 |
| 02/11/20 | Won | Royal 45 | Naches Valley 41 | Playoff | 10.040 |