Best Upsets (2019)
Rankings / Best Games / Best Upsets / Best Upcoming Games
How the FanLax Computer Rankings Work
Sports / Lacrosse / High School Boys / West
| – | Team | Rank | VS | Rank | Opp Team | Details |
| 1 | Ridgeview (OR) | #519 | 1 - 0 | #277 | Camas (WA) | 04/20/2019 |
| 2 | Palmer (CO) | #395 | 11 - 10 | #160 | Grand Junction (CO) | 05/03/2019 |
| 3 | Olympian HS (CA) | #456 | 1 - 0 | #239 | Valley Center (CA) | 03/09/2019 |
| 4 | Waterford UT (UT) | #371 | 4 - 3 | #178 | Skyline UT (UT) | 04/05/2019 |
| 5 | Bothell (WA) | #405 | 13 - 11 | #218 | Centennial NV (NV) | 03/30/2019 |
| 6 | Oro Valley (AZ) | #537 | 11 - 5 | #368 | Arcadia (AZ) | 03/09/2019 |
| 7 | Chandler AZ (AZ) | #494 | 8 - 2 | #331 | Chandler II AZ (AZ) | 04/22/2019 |
| 8 | El Camino Real Charter (CA) | #369 | 12 - 11 | #206 | Palisades Charter (CA) | 02/26/2019 |
| 9 | Oakland Tech (CA) | #281 | 8 - 4 | #120 | Woodcreek LC (CA) | 02/24/2019 |
| 10 | Legend (CO) | #243 | 15 - 5 | #83 | Rocky Mountain CO (CO) | 04/02/2019 |
| 11 | Ballard (WA) | #308 | 7 - 5 | #150 | Snohomish (WA) | 05/10/2019 |
| 12 | Desert Vista II (AZ) | #350 | 9 - 8 | #198 | Corona del Sol (AZ) | 04/23/2019 |
| 13 | Skyview ID (ID) | #475 | 14 - 12 | #332 | Jackson Hole WY (WY) | 04/05/2019 |
| 14 | Centennial NV (NV) | #218 | 11 - 9 | #79 | Bainbridge Island (WA) | 03/31/2019 |
| 15 | Chaparral AZ (AZ) | #315 | 12 - 10 | #179 | Higley (AZ) | 04/03/2019 |
| 16 | Gunn (CA) | #508 | 16 - 10 | #374 | Aragon (CA) | 03/19/2019 |
| 17 | Timpview (UT) | #307 | 10 - 8 | #174 | Herriman (UT) | 05/01/2019 |
| 18 | Arcadia (AZ) | #368 | 13 - 10 | #236 | Glendale AZ (AZ) | 04/17/2019 |
| 19 | Chico LC (CA) | #412 | 15 - 5 | #281 | Oakland Tech (CA) | 04/14/2019 |
| 20 | El Camino Real Charter (CA) | #369 | 17 - 10 | #238 | Simi Valley (CA) | 03/06/2019 |
| 21 | Herriman (UT) | #174 | 10 - 9 | #46 | Brighton UT (UT) | 03/09/2019 |
| 22 | Sehome (WA) | #338 | 13 - 11 | #216 | Squalicum (WA) | 05/01/2019 |
| 23 | Desert Vista II (AZ) | #350 | 7 - 6 | #229 | Mountain View AZ (AZ) | 04/16/2019 |
| 24 | Viewpoint School (CA) | #515 | 11 - 7 | #394 | Saugus CA (CA) | 03/07/2019 |
| 25 | Mountain Pointe (AZ) | #470 | 16 - 7 | #350 | Desert Vista II (AZ) | 02/28/2019 |