36 Wins, 39 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 12/12/86 | Lost | Sprague-Harrington 40 | St. George's 45 | Non-league | 5.107 |
| 12/19/86 | Lost | Sprague-Harrington 41 | LaCrosse-Washtucna 43 | Non-league | 22.082 |
| 12/08/87 | Lost | Sprague-Harrington 36 | St. John-Endicott 40 | Non-league | 0.724 |
| 12/29/87 | Lost | Sprague-Harrington 53 | Wellpinit 59 | Non-league | 4.354 |
| 02/09/88 | Lost | Sprague-Harrington 54 | Freeman 57 | League | 1.535 |
| 02/12/88 | Lost | Sprague-Harrington 37 | Freeman 39 | Playoff | 1.535 |
| 02/17/88 | Lost | Sprague-Harrington 44 | Freeman 45 | Playoff | 1.535 |
| 12/16/88 | Won | Sprague-Harrington 37 | Davenport 34 | Non-league | 4.456 |
| 12/17/88 | Lost | Sprague-Harrington 42 | Lind 49 | Non-league | 3.025 |
| 12/29/88 | Lost | Sprague-Harrington 49 | Inchelium 67 | Non-league | 2.238 |
| 01/06/89 | Won | Sprague-Harrington 55 | Freeman 44 | League | 4.469 |
| 01/07/89 | Won | Sprague-Harrington 46 | Davenport 42 | League | 4.456 |
| 01/20/89 | Lost | Sprague-Harrington 45 | Wilbur-Creston 66 | League | 1.888 |
| 01/24/89 | Won | Sprague-Harrington 41 | Liberty (Spangle) 36 | League | 3.707 |
| 02/15/89 | Won | Sprague-Harrington 42 | Freeman 36 | Playoff | 4.469 |
| 02/18/89 | Won | Sprague-Harrington 43 | Liberty (Spangle) 41 | Playoff | 3.707 |
| 02/23/89 | Won | Sprague-Harrington 49 | St. George's 43 | Playoff | 8.758 |
| 12/01/89 | Lost | Sprague-Harrington 54 | Wellpinit 63 | Non-league | 2.038 |
| 12/02/89 | Lost | Sprague-Harrington 48 | LaCrosse-Washtucna 52 | Non-league | 3.375 |
| 12/12/89 | Lost | Sprague-Harrington 47 | St. John-Endicott 48 | Non-league | 1.772 |
| 12/16/89 | Lost | Sprague-Harrington 41 | Odessa 48 | Non-league | 7.525 |
| 02/02/90 | Won | Sprague-Harrington 48 | Liberty (Spangle) 36 | League | 12.107 |
| 12/07/90 | Won | Sprague-Harrington 42 | LaCrosse-Washtucna 32 | Non-league | 3.054 |
| 12/14/90 | Won | Sprague-Harrington 59 | LaCrosse-Washtucna 41 | Non-league | 3.054 |
| 12/22/90 | Lost | Sprague-Harrington 41 | Rosalia 47 | Non-league | 7.194 |
| 12/27/91 | Lost | Sprague-Harrington 37 | Lakeside (Nine Mile Falls) 50 | Non-league | 0.616 |
| 01/03/92 | Won | Sprague-Harrington 46 | Liberty (Spangle) 37 | League | 6.863 |
| 01/10/92 | Won | Sprague-Harrington 40 | Odessa 34 | League | 6.165 |
| 02/01/92 | Won | Sprague-Harrington 51 | Freeman 48 | League | 3.927 |
| 02/05/93 | Lost | Sprague-Harrington 33 | Valley Christian 40 | League | 8.724 |
| 12/23/94 | Won | Sprague-Harrington 77 | Warden 62 | Non-league | 18.485 |
| 01/06/95 | Lost | Sprague-Harrington 48 | Valley Christian 54 | League | 8.794 |
| 01/21/95 | Won | Sprague-Harrington 58 | Lind 41 | League | 1.308 |
| 12/01/95 | Lost | Sprague-Harrington 40 | Soap Lake 53 | Non-league | 3.613 |
| 12/16/95 | Won | Sprague-Harrington 56 | Valley Christian 49 | League | 0.766 |
| 01/30/96 | Won | Sprague-Harrington 45 | Davenport 43 | League | 4.260 |
| 02/02/96 | Won | Sprague-Harrington 64 | Valley Christian 49 | League | 0.766 |
| 12/10/96 | Won | Sprague-Harrington 56 | LaCrosse-Washtucna 52 | Non-league | 3.448 |
| 01/03/97 | Lost | Sprague-Harrington 51 | Liberty (Spangle) 53 | League | 10.510 |
| 01/25/97 | Won | Sprague-Harrington 42 | Reardan 39 | League | 11.414 |
| 12/05/97 | Lost | Sprague-Harrington 44 | St. John-Endicott 52 | Non-league | 2.950 |
| 12/09/97 | Lost | Sprague-Harrington 53 | St. John-Endicott 66 | Non-league | 2.950 |
| 02/27/98 | Won | Sprague-Harrington 55 | Selkirk 53 | Playoff | 0.242 |
| 12/04/98 | Won | Sprague-Harrington 45 | St. John-Endicott 41 | Non-league | 0.836 |
| 12/19/98 | Won | Sprague-Harrington 52 | Wilbur-Creston 42 | League | 8.362 |
| 02/13/99 | Won | Sprague-Harrington 64 | Wilbur-Creston 63 | Playoff | 8.362 |
| 02/23/99 | Lost | Sprague-Harrington 35 | Republic 45 | Playoff | 3.407 |
| 12/03/99 | Won | Sprague-Harrington 58 | LaCrosse-Washtucna 52 | Non-league | 8.685 |
| 12/17/99 | Lost | Sprague-Harrington 28 | Almira Coulee Hartline 46 | League | 6.904 |
| 02/04/00 | Lost | Sprague-Harrington 43 | Ritzville 47 | League | 7.208 |
| 02/21/00 | Won | Sprague-Harrington 35 | Republic 28 | Playoff | 3.809 |
| 02/25/00 | Lost | Sprague-Harrington 30 | Davenport 41 | Playoff | 2.457 |
| 01/12/01 | Won | Sprague-Harrington 40 | Reardan 38 | League | 5.725 |
| 01/10/03 | Won | Sprague-Harrington 57 | Almira Coulee Hartline 50 | League | 12.359 |
| 01/24/03 | Lost | Sprague-Harrington 55 | Wilbur-Creston 72 | League | 1.262 |
| 02/14/03 | Lost | Sprague-Harrington 48 | Reardan 51 | League | 0.963 |
| 02/27/03 | Lost | Sprague-Harrington 31 | Selkirk 33 | Playoff | 3.268 |
| 12/06/03 | Lost | Sprague-Harrington 53 | Selkirk 54 | Non-league | 7.236 |
| 01/13/04 | Won | Sprague-Harrington 53 | Cusick 50 | Non-league | 2.184 |
| 02/23/04 | Won | Sprague-Harrington 56 | Wellpinit 55 | Playoff | 2.489 |
| 12/04/04 | Lost | Sprague-Harrington 50 | Garfield-Palouse 68 | Non-league | 3.817 |
| 01/10/05 | Won | Sprague-Harrington 75 | Almira Coulee Hartline 53 | League | 1.585 |
| 01/22/05 | Lost | Sprague-Harrington 38 | Lind-Ritzville 40 | League | 16.105 |
| 02/26/05 | Won | Sprague-Harrington 51 | Curlew 46 | Playoff | 0.056 |
| 03/01/06 | Lost | Sprague-Harrington 54 | Sunnyside Christian 58 | Playoff | 7.076 |
| 01/02/07 | Lost | Sprague-Harrington 66 | Colton 67 | League | 10.814 |
| 01/26/07 | Lost | Sprague-Harrington 71 | Inchelium 78 | Non-league | 7.407 |
| 02/12/07 | Lost | Sprague-Harrington 36 | Garfield-Palouse 42 | Playoff | 14.834 |
| 02/17/07 | Lost | Sprague-Harrington 56 | Garfield-Palouse 61 | Playoff | 14.834 |
| 01/24/09 | Lost | Sprague-Harrington 13 | Valley Christian 29 | Non-league | 4.889 |
| 02/07/09 | Won | Sprague-Harrington 37 | Davenport 16 | Non-league | 14.886 |
| 02/10/09 | Won | Sprague-Harrington 45 | Inchelium 41 | Non-league | 2.515 |
| 01/26/10 | Won | Sprague-Harrington 55 | LaCrosse-Washtucna 51 | Non-league | 3.781 |
| 02/10/10 | Won | Sprague-Harrington 43 | Cusick 41 | Playoff | 2.905 |
| 02/17/10 | Lost | Sprague-Harrington 33 | Curlew 49 | Playoff | 0.500 |
11 Wins, 12 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 01/13/04 | Lost | Sprague-Harrington 58 | Cusick 72 | Non-league | 2.683 |
| 12/07/04 | Won | Sprague-Harrington 49 | St. George's 46 | Non-league | 8.152 |
| 12/14/04 | Won | Sprague-Harrington 52 | Odessa 44 | League | 5.629 |
| 01/14/05 | Won | Sprague-Harrington 60 | Reardan 46 | League | 3.069 |
| 01/15/05 | Lost | Sprague-Harrington 58 | Davenport 61 | League | 9.154 |
| 12/03/05 | Lost | Sprague-Harrington 33 | Garfield-Palouse 45 | Non-league | 4.298 |
| 12/10/05 | Lost | Sprague-Harrington 43 | Davenport 44 | League | 4.125 |
| 01/14/06 | Lost | Sprague-Harrington 53 | Davenport 54 | League | 4.125 |
| 01/31/06 | Won | Sprague-Harrington 57 | Reardan 55 | League | 23.663 |
| 12/05/06 | Won | Sprague-Harrington 45 | Odessa 44 | Non-league | 9.686 |
| 12/12/06 | Won | Sprague-Harrington 57 | Wilbur-Creston 53 | Non-league | 14.297 |
| 12/22/06 | Lost | Sprague-Harrington 41 | Colton 62 | Non-league | 2.416 |
| 01/02/07 | Lost | Sprague-Harrington 50 | Colton 59 | League | 2.416 |
| 01/13/07 | Won | Sprague-Harrington 38 | Garfield-Palouse 36 | League | 11.149 |
| 01/19/07 | Won | Sprague-Harrington 53 | Rosalia 35 | League | 6.157 |
| 12/01/07 | Won | Sprague-Harrington 50 | Columbia (Hunters) 35 | Non-league | 6.065 |
| 12/20/07 | Won | Sprague-Harrington 38 | Almira Coulee Hartline 37 | Non-league | 15.970 |
| 01/31/09 | Lost | Sprague-Harrington 37 | Wilson Creek 51 | Non-league | 6.946 |
| 12/05/09 | Lost | Sprague-Harrington 47 | Valley Christian 51 | Non-league | 1.973 |
| 12/11/09 | Lost | Sprague-Harrington 45 | Wilson Creek 55 | Non-league | 10.770 |
| 01/09/10 | Lost | Sprague-Harrington 42 | Wilson Creek 54 | Non-league | 10.770 |
| 01/19/10 | Lost | Sprague-Harrington 36 | Valley Christian 55 | Non-league | 1.973 |
| 01/23/10 | Won | Sprague-Harrington 53 | Wilbur-Creston 44 | League | 15.339 |