40 Wins, 26 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 01/19/88 | Lost | Eastside Catholic 41 | Bothell 47 | League | 2.472 |
| 01/11/89 | Won | Eastside Catholic 35 | Issaquah 32 | Non-league | 4.887 |
| 01/25/89 | Won | Eastside Catholic 53 | Bothell 51 | Non-league | 7.843 |
| 01/31/89 | Won | Eastside Catholic 55 | Juanita 46 | Non-league | 24.607 |
| 12/06/89 | Won | Eastside Catholic 45 | Mountlake Terrace 36 | Non-league | 4.828 |
| 12/15/89 | Lost | Eastside Catholic 44 | Ballard 48 | League | 4.068 |
| 12/04/90 | Won | Eastside Catholic 51 | Interlake 49 | Non-league | 8.663 |
| 01/04/91 | Won | Eastside Catholic 44 | Seattle Prep 39 | League | 13.888 |
| 01/30/91 | Lost | Eastside Catholic 48 | Ballard 54 | League | 19.752 |
| 12/05/92 | Won | Eastside Catholic 40 | Juanita 36 | Non-league | 6.268 |
| 12/11/92 | Lost | Eastside Catholic 39 | Rainier Beach 64 | League | 0.528 |
| 12/22/92 | Won | Eastside Catholic 35 | Juanita 29 | Non-league | 6.268 |
| 02/11/94 | Won | Eastside Catholic 42 | Blanchet 37 | League | 8.647 |
| 12/13/94 | Won | Eastside Catholic 40 | Lakeside (Seattle) 35 | League | 12.787 |
| 11/30/95 | Won | Eastside Catholic 61 | Newport (Bellevue) 53 | Non-league | 10.023 |
| 12/08/95 | Lost | Eastside Catholic 59 | Ballard 64 | League | 6.659 |
| 02/14/96 | Won | Eastside Catholic 46 | Lakeside (Seattle) 45 | Playoff | 10.634 |
| 02/20/96 | Won | Eastside Catholic 48 | Highline 43 | Playoff | 1.362 |
| 01/18/97 | Won | Eastside Catholic 44 | Woodinville 41 | Non-league | 0.761 |
| 01/16/98 | Lost | Eastside Catholic 48 | Ballard 52 | League | 8.428 |
| 02/10/98 | Won | Eastside Catholic 53 | Rainier Beach 52 | League | 8.025 |
| 12/11/98 | Won | Eastside Catholic 53 | Chief Sealth 44 | League | 1.247 |
| 01/15/99 | Won | Eastside Catholic 68 | Rainier Beach 50 | League | 11.518 |
| 12/27/99 | Won | Eastside Catholic 52 | Liberty (Issaquah) 44 | Non-league | 6.417 |
| 01/25/00 | Lost | Eastside Catholic 48 | Nathan Hale 50 | League | 6.009 |
| 02/15/00 | Lost | Eastside Catholic 56 | Sammamish 57 | Playoff | 1.071 |
| 01/03/01 | Won | Eastside Catholic 58 | Holy Names 52 | League | 3.999 |
| 11/30/01 | Lost | Eastside Catholic 44 | Lakeside (Seattle) 56 | League | 2.059 |
| 01/11/02 | Lost | Eastside Catholic 41 | Bainbridge 46 | League | 5.683 |
| 01/19/02 | Lost | Eastside Catholic 50 | Holy Names 52 | League | 4.344 |
| 02/28/02 | Won | Eastside Catholic 36 | Bellevue 35 | Playoff | 6.992 |
| 12/18/02 | Won | Eastside Catholic 44 | Bishop Blanchet 43 | League | 11.857 |
| 12/20/02 | Lost | Eastside Catholic 52 | Holy Names 62 | League | 0.807 |
| 01/15/03 | Won | Eastside Catholic 61 | Cleveland 59 | League | 7.585 |
| 02/05/03 | Won | Eastside Catholic 68 | Bainbridge 56 | League | 1.401 |
| 02/13/03 | Won | Eastside Catholic 61 | Chief Sealth 55 | Playoff | 6.247 |
| 12/03/04 | Lost | Eastside Catholic 29 | Nathan Hale 31 | League | 10.928 |
| 12/08/04 | Won | Eastside Catholic 39 | Cleveland 38 | League | 13.338 |
| 12/02/05 | Lost | Eastside Catholic 37 | Nathan Hale 40 | League | 4.095 |
| 12/12/07 | Won | Eastside Catholic 53 | Chief Sealth 45 | League | 6.075 |
| 01/25/08 | Won | Eastside Catholic 46 | Holy Names 45 | League | 22.365 |
| 01/07/09 | Lost | Eastside Catholic 38 | West Seattle 42 | League | 3.359 |
| 12/09/09 | Won | Eastside Catholic 46 | Bainbridge 39 | League | 0.356 |
| 12/28/09 | Lost | Eastside Catholic 30 | Highline 32 | Non-league | 11.626 |
| 01/29/10 | Won | Eastside Catholic 60 | Ingraham 56 | League | 1.185 |
| 02/03/10 | Lost | Eastside Catholic 42 | Rainier Beach 48 | League | 9.500 |
| 12/06/10 | Lost | Eastside Catholic 38 | Mariner 43 | Non-league | 20.116 |
| 12/14/10 | Won | Eastside Catholic 46 | Franklin 45 | League | 10.768 |
| 12/28/10 | Lost | Eastside Catholic 35 | Hazen 38 | Non-league | 7.568 |
| 01/05/11 | Won | Eastside Catholic 53 | Nathan Hale 38 | League | 9.294 |
| 11/26/12 | Won | Eastside Catholic 69 | Bothell 64 | Non-league | 2.382 |
| 12/05/12 | Lost | Eastside Catholic 38 | Chief Sealth 46 | League | 9.901 |
| 12/08/12 | Lost | Eastside Catholic 38 | Interlake 41 | Non-league | 10.872 |
| 01/15/14 | Won | Eastside Catholic 52 | Seattle Prep 50 | League | 8.229 |
| 02/05/14 | Won | Eastside Catholic 52 | West Seattle 40 | League | 10.046 |
| 02/13/14 | Lost | Eastside Catholic 27 | Bainbridge 42 | Playoff | 4.893 |
| 12/29/14 | Won | Eastside Catholic 60 | Shorewood 51 | Non-league | 0.141 |
| 12/18/15 | Won | Eastside Catholic 42 | Holy Names 37 | League | 0.733 |
| 02/09/16 | Lost | Eastside Catholic 51 | Chief Sealth 57 | Playoff | 5.030 |
| 12/21/16 | Won | Eastside Catholic 40 | Mark Morris 32 | Non-league | 0.219 |
| 01/27/17 | Won | Eastside Catholic 56 | Lakeside (Seattle) 46 | League | 4.253 |
| 02/08/17 | Won | Eastside Catholic 40 | Ballard 36 | Playoff | 0.449 |
| 01/12/18 | Lost | Eastside Catholic 56 | Ingraham 64 | League | 7.368 |
| 12/19/18 | Won | Eastside Catholic 61 | Franklin 55 | League | 14.259 |
| 03/06/20 | Lost | Eastside Catholic 49 | Lake Washington 62 | Playoff | 13.373 |
| 03/07/20 | Lost | Eastside Catholic 57 | Arlington 61 | Playoff | 3.509 |
30 Wins, 27 Losses
| Date | Game Type | Upset Magnitude | |||
|---|---|---|---|---|---|
| 01/21/03 | Lost | Eastside Catholic 54 | West Seattle 59 | League | 5.681 |
| 02/07/03 | Won | Eastside Catholic 71 | Lakeside (Seattle) 69 | League | 9.157 |
| 12/03/03 | Won | Eastside Catholic 48 | Newport (Bellevue) 42 | Non-league | 9.014 |
| 12/05/03 | Lost | Eastside Catholic 38 | Ingraham 41 | League | 2.923 |
| 12/08/03 | Won | Eastside Catholic 75 | Issaquah 65 | Non-league | 5.558 |
| 12/14/04 | Won | Eastside Catholic 57 | Bainbridge 54 | League | 17.969 |
| 01/21/05 | Won | Eastside Catholic 47 | Lakeside (Seattle) 44 | League | 5.207 |
| 12/06/05 | Won | Eastside Catholic 64 | Cleveland 53 | League | 4.762 |
| 12/28/05 | Lost | Eastside Catholic 49 | Shorecrest 51 | Non-league | 6.629 |
| 01/13/06 | Won | Eastside Catholic 66 | Ingraham 63 | League | 8.958 |
| 12/01/06 | Won | Eastside Catholic 39 | Nathan Hale 26 | League | 0.671 |
| 12/28/06 | Lost | Eastside Catholic 52 | Cascade (Everett) 62 | Non-league | 1.794 |
| 12/29/06 | Won | Eastside Catholic 64 | Rogers (Puyallup) 53 | Non-league | 2.217 |
| 01/30/07 | Lost | Eastside Catholic 66 | Lakeside (Seattle) 71 | League | 1.211 |
| 12/06/07 | Won | Eastside Catholic 49 | Nathan Hale 44 | League | 1.319 |
| 12/11/07 | Won | Eastside Catholic 66 | Chief Sealth 58 | League | 5.704 |
| 12/27/07 | Won | Eastside Catholic 67 | Capital 64 | Non-league | 6.383 |
| 01/18/08 | Won | Eastside Catholic 52 | Ingraham 49 | League | 1.191 |
| 12/05/08 | Lost | Eastside Catholic 49 | Lakeside (Seattle) 60 | League | 9.136 |
| 01/13/09 | Lost | Eastside Catholic 45 | Lakeside (Seattle) 47 | League | 9.136 |
| 01/30/09 | Lost | Eastside Catholic 47 | Ingraham 58 | League | 0.143 |
| 02/12/09 | Won | Eastside Catholic 50 | Bishop Blanchet 42 | League | 6.686 |
| 12/01/09 | Lost | Eastside Catholic 63 | Lindbergh 69 | Non-league | 5.778 |
| 12/04/09 | Won | Eastside Catholic 61 | Lakeside (Seattle) 55 | League | 3.506 |
| 12/18/09 | Won | Eastside Catholic 66 | Cleveland 61 | League | 1.553 |
| 01/05/10 | Won | Eastside Catholic 66 | West Seattle 49 | League | 4.325 |
| 01/08/10 | Lost | Eastside Catholic 51 | Nathan Hale 63 | League | 3.982 |
| 12/01/10 | Lost | Eastside Catholic 56 | Bishop Blanchet 59 | League | 8.833 |
| 12/29/10 | Lost | Eastside Catholic 43 | Renton 62 | Non-league | 2.392 |
| 01/04/11 | Lost | Eastside Catholic 38 | Nathan Hale 48 | League | 9.497 |
| 01/15/11 | Won | Eastside Catholic 61 | Eastlake 59 | Non-league | 4.351 |
| 02/04/11 | Won | Eastside Catholic 63 | Lakeside (Seattle) 57 | League | 1.118 |
| 12/09/11 | Won | Eastside Catholic 64 | Lakeside (Seattle) 61 | League | 1.674 |
| 12/20/11 | Won | Eastside Catholic 65 | O'Dea 63 | League | 15.724 |
| 01/10/12 | Lost | Eastside Catholic 62 | Bainbridge 67 | League | 5.738 |
| 01/30/12 | Lost | Eastside Catholic 75 | Ingraham 85 | League | 8.225 |
| 02/06/12 | Won | Eastside Catholic 67 | Lakeside (Seattle) 62 | Playoff | 1.674 |
| 02/07/12 | Won | Eastside Catholic 83 | Chief Sealth 65 | Playoff | 0.047 |
| 02/09/12 | Lost | Eastside Catholic 62 | Nathan Hale 66 | Playoff | 1.606 |
| 12/04/12 | Lost | Eastside Catholic 54 | Chief Sealth 56 | League | 11.222 |
| 12/07/12 | Won | Eastside Catholic 66 | O'Dea 51 | League | 1.037 |
| 01/11/13 | Won | Eastside Catholic 64 | Lakeside (Seattle) 56 | League | 9.750 |
| 01/22/13 | Won | Eastside Catholic 55 | Franklin 48 | League | 3.045 |
| 12/13/13 | Lost | Eastside Catholic 63 | O'Dea 64 | League | 1.474 |
| 02/20/14 | Won | Eastside Catholic 55 | Bellevue 47 | Playoff | 6.881 |
| 02/12/15 | Lost | Eastside Catholic 57 | Seattle Prep 71 | Playoff | 0.456 |
| 12/02/15 | Lost | Eastside Catholic 55 | Shorecrest 66 | Non-league | 4.823 |
| 01/05/16 | Won | Eastside Catholic 75 | Cleveland 70 | League | 5.751 |
| 01/18/16 | Won | Eastside Catholic 58 | West Seattle 57 | League | 2.170 |
| 01/17/17 | Won | Eastside Catholic 52 | Cleveland 51 | League | 0.155 |
| 02/21/17 | Lost | Eastside Catholic 45 | Shadle Park 49 | Playoff | 0.102 |
| 12/01/17 | Lost | Eastside Catholic 69 | Seattle Prep 79 | League | 2.610 |
| 02/24/18 | Lost | Eastside Catholic 53 | Lincoln 56 | Playoff | 3.800 |
| 03/03/18 | Lost | Eastside Catholic 59 | Lincoln 64 | Playoff | 3.800 |
| 01/31/19 | Lost | Eastside Catholic 66 | Rainier Beach 70 | League | 2.897 |
| 02/15/19 | Lost | Eastside Catholic 43 | Ingraham 50 | Playoff | 14.278 |
| 03/01/19 | Lost | Eastside Catholic 41 | O'Dea 49 | Playoff | 5.184 |