KW Tri City Open was played 25 – 27/01/2019 in Waterloo, Canada with 181 men and 69 women.
WDF Tables updated with these results 03/02/2019.
| MEN’S SINGLES | Country | Position | WOMEN’S SINGLES | Country |
| Bill Crawford | Canada | 1 | Cindy Pardy | Canada |
| Darrin Allen | Canada | 2 | Kim Whaley-Hilts | Canada |
| Marlo Yansen | Canada | 3 | Bailey Watson | Canada |
| Shawn Brenneman | Canada | 3 | Mackenzie Kingsmill | Canada |
| Ron Miller | Canada | 5 | Maggie Bolt | Canada |
| Matt Parsons | Canada | 5 | Lori Kelley | Canada |
| Chris Lavoie | Canada | 5 | Darlene Van Sleeuwen | Canada |
| Chris Scutt | Canada | 5 | Normajenne Hartrick | Canada |
| Ed Roberts | Canada | 9 | Ardy Albert | Canada |
| Andy Rust | Canada | 9 | CJ Slater | Canada |
| Matt D’Angelo | Canada | 9 | Dawn Beacroft | Canada |
| Jim Anderson | Canada | 9 | Ashley Shier | Canada |
| Darcy Trenholm | Canada | 9 | Shelley McDonald | Canada |
| John Dawe | Canada | 9 | Helen MacCuish | Canada |
| Jayson Barlow | Canada | 9 | Sara Denault | Canada |
| Jim Long | Canada | 9 | Maria Mason | Canada |