| League | Season | ||||||
| Won | Lost | Pct | Won | Lost | Pct | ||
| Sunnyside | 12 | 0 | 1.000 | 21 | 3 | 0.875 | State |
| Moses Lake | 10 | 2 | 0.833 | 14 | 8 | 0.636 | |
| West Valley (Yakima) | 8 | 4 | 0.667 | 12 | 9 | 0.571 | |
| Davis | 5 | 7 | 0.417 | 6 | 15 | 0.286 | |
| Eastmont | 4 | 8 | 0.333 | 8 | 14 | 0.364 | |
| Eisenhower | 2 | 10 | 0.167 | 5 | 16 | 0.238 | |
| Wenatchee | 1 | 11 | 0.083 | 1 | 19 | 0.050 | |
Last Season: 2017-2018 Columbia Basin Big Nine
Next Season: 2019-2020 Columbia Basin Big Nine
2018-2019 boys Columbia Basin Big Nine | Main Page | 2018-2019 TOC
For league: 19 - 36 in non-league games
Home team wins 48.8% of league games (20 - 21)
103 games; average margin: 18.29
median margin: 16
18 games five points or less margin (including overtime games)
34 games ten points or less margin (including overtime games)
42 league games; average margin: 18.90
median margin: 17.5
3 games five points or less margin (including overtime games)
9 games ten points or less margin (including overtime games)
| 11/27/18 | at Eisenhower 49, Hanford 37 | Non-league |
| 11/27/18 | at Mount Spokane 78, Moses Lake 34 | Non-league |
| 11/29/18 | at Sunnyside 66, Walla Walla 36 | Non-league |
| 11/29/18 | at Pasco 67, Wenatchee 40 | Non-league |
| 11/30/18 | at Southridge 49, Eisenhower 37 | Non-league |
| 11/30/18 | at Davis 56, Ferris 41 | Non-league |
| 11/30/18 | at Moses Lake 54, King's 49 | Non-league |
| 11/30/18 | at West Valley (Yakima) 44, Mead 38 | Non-league |
| 11/30/18 | at Kamiakin 63, Sunnyside 57 | Non-league |
| 12/01/18 | Eastmont 47, at Bothell 44 | Non-league |
| 12/01/18 | Ferris 54, at Eisenhower 50 OT | Non-league |
| 12/01/18 | Gonzaga Prep 50, at West Valley (Yakima) 44 OT | Non-league |
| 12/01/18 | Mead 67, Davis 32 | Non-league |
| 12/01/18 | Moses Lake 56, at Chiawana 48 | Non-league |
| 12/01/18 | at Southridge 55, Wenatchee 53 | Non-league |
| 12/04/18 | at Pasco 54, Eisenhower 41 | Non-league |
| 12/04/18 | Kamiakin 58, at Moses Lake 52 | Non-league |
| 12/04/18 | Kennewick 63, at Davis 45 | Non-league |
| 12/04/18 | Sunnyside 70, at Hanford 31 | Non-league |
| 12/07/18 | at Kamiakin 75, Davis 35 | Non-league |
| 12/07/18 | Ferris 57, at Wenatchee 43 | Non-league |
| 12/07/18 | at Sunnyside 43, Kennewick 38 | Non-league |
| 12/07/18 | La Salle 48, at West Valley (Yakima) 25 | Non-league |
| 12/07/18 | Mead 61, at Eastmont 24 | Non-league |
| 12/08/18 | Eastmont 50, at Eisenhower 37 | |
| 12/08/18 | Mead 66, at Wenatchee 53 | Non-league |
| 12/08/18 | Moses Lake 51, at Davis 27 | |
| 12/08/18 | at Sunnyside 65, West Valley (Yakima) 36 | |
| 12/14/18 | Davis 57, at Wenatchee 44 | |
| 12/14/18 | at West Valley (Yakima) 44, Eastmont 26 | |
| 12/14/18 | Sunnyside 68, at Moses Lake 63 OT | |
| 12/15/18 | at West Valley (Yakima) 49, Eisenhower 26 | |
| 12/15/18 | Hermiston (OR) 64, at Davis 42 | Non-league |
| 12/15/18 | Moses Lake 56, at Eastmont 33 | |
| 12/15/18 | at Sunnyside 82, Wenatchee 49 | |
| 12/18/18 | Pasco 66, at Eastmont 46 | Non-league |
| 12/18/18 | at Hanford 56, Wenatchee 46 | Non-league |
| 12/18/18 | at Kennewick 68, West Valley (Yakima) 60 OT | Non-league |
| 12/19/18 | at Skyview 74, Eisenhower 28 | Non-league |
| 12/21/18 | at Black Hills 55, Davis 24 | Non-league |
| 12/21/18 | at Eastmont 70, Rogers (Spokane) 18 | Non-league |
| 12/22/18 | at Kennewick 56, Eastmont 35 | Non-league |
| 12/22/18 | Ellensburg 71, at Eisenhower 56 | Non-league |
| 12/22/18 | Kamiakin 73, at West Valley (Yakima) 40 | Non-league |
| 12/22/18 | Sunnyside 51, at Hermiston (OR) 46 | Non-league |
| 12/27/18 | Lewiston (ID) 66, Eastmont 54 | Non-league |
| 12/27/18 | Sunnyside 64, Kentlake 33 | Non-league |
| 12/27/18 | La Salle 49, Davis 30 | Non-league |
| 12/27/18 | Moses Lake 79, Mercer Island 46 | Non-league |
| 12/27/18 | Clarkston 65, Wenatchee 31 | Non-league |
| 12/28/18 | Lapwai (ID) 53, Eastmont 47 | Non-league |
| 12/28/18 | at Glacier Peak 51, Sunnyside 34 | Non-league |
| 12/28/18 | University 61, Moses Lake 57 | Non-league |
| 12/28/18 | Moscow (ID) 42, Wenatchee 40 | Non-league |
| 12/28/18 | West Valley (Yakima) 60, at Central Kitsap 18 | Non-league |
| 12/28/18 | Zillah 44, Davis 41 | Non-league |
| 12/29/18 | Sunnyside 47, Chiawana 40 | Non-league |
| 12/29/18 | at Central Valley 62, Moses Lake 40 | Non-league |
| 12/29/18 | Eastmont 52, Wenatchee 47 | Non-league |
| 12/29/18 | West Valley (Yakima) 64, at Olympic 27 | Non-league |
| 01/02/19 | West Valley (Yakima) 72, at Selah 63 | Non-league |
| 01/04/19 | Eastmont 54, Wenatchee 48 | |
| 01/04/19 | at Moses Lake 59, Eisenhower 47 | |
| 01/04/19 | Sunnyside 52, at Davis 36 | |
| 01/05/19 | Davis 51, at Eastmont 44 | |
| 01/05/19 | Moses Lake 60, at West Valley (Yakima) 52 | |
| 01/05/19 | at Eisenhower 46, Wenatchee 33 | |
| 01/11/19 | at Sunnyside 69, Eastmont 49 | |
| 01/11/19 | at Davis 57, Eisenhower 51 | |
| 01/11/19 | West Valley (Yakima) 64, at Wenatchee 41 | |
| 01/12/19 | at West Valley (Yakima) 50, Davis 34 | |
| 01/12/19 | Sunnyside 56, at Eisenhower 23 | |
| 01/12/19 | at Moses Lake 67, Wenatchee 29 | |
| 01/18/19 | at Moses Lake 56, Davis 35 | |
| 01/18/19 | Eisenhower 48, at Eastmont 43 | |
| 01/18/19 | Sunnyside 65, at West Valley (Yakima) 42 | |
| 01/19/19 | at Sunnyside 66, Moses Lake 60 | |
| 01/19/19 | at Davis 57, Wenatchee 44 | |
| 01/19/19 | West Valley (Yakima) 57, at Eastmont 41 | |
| 01/21/19 | Eisenhower 56, Kalama 30 | Non-league |
| 01/21/19 | Bellarmine Prep 53, Moses Lake 44 | Non-league |
| 01/25/19 | at Moses Lake 69, Eastmont 29 | |
| 01/25/19 | Sunnyside 63, at Wenatchee 31 | |
| 01/25/19 | West Valley (Yakima) 46, at Eisenhower 33 | |
| 01/26/19 | at Sunnyside 73, Davis 37 | |
| 01/26/19 | Moses Lake 54, at Eisenhower 21 | |
| 01/26/19 | at Eastmont 45, Wenatchee 37 | |
| 02/01/19 | Eastmont 41, at Davis 39 | |
| 02/01/19 | at Wenatchee 56, Eisenhower 38 | |
| 02/01/19 | at Moses Lake 41, West Valley (Yakima) 30 | |
| 02/06/19 | Davis 49, at Eisenhower 34 | |
| 02/06/19 | Sunnyside 77, at Eastmont 48 | |
| 02/06/19 | at West Valley (Yakima) 53, Wenatchee 28 | |
| 02/08/19 | at Sunnyside 75, Eisenhower 43 | |
| 02/08/19 | Moses Lake 37, at Wenatchee 20 | |
| 02/08/19 | West Valley (Yakima) 46, at Davis 26 | |
| 02/13/19 | Eastmont 44, at Davis 41 | D6 4A Tournament (loser out) |
| 02/13/19 | Eisenhower 46, at West Valley (Yakima) 43 | D6 4A Tournament (loser out) |
| 02/15/19 | at Moses Lake 54, Eastmont 40 | D6 4A Tournament (loser out) |
| 02/15/19 | at Sunnyside 72, Eisenhower 44 | D6 4A Tournament (loser out) |
| 02/16/19 | at Sunnyside 46, Moses Lake 39 | D6 4A Tournament (winner 1st to state/loser out) |
| 02/23/19 | Sunnyside 69, Newport (Bellevue) 39 | State 4A Tournament-regional (loser out) |
| 02/27/19 | Woodinville 53, Sunnyside 52 | State 4A Tournament (loser out) |