Full free practice three results for the fourth round of the 2019 World Superbike championship at Assen, the Netherlands.
- Jonathan Rea GBR Kawasaki Racing Team 1m 35.202s 6 laps
- Tom Sykes GBR BMW WorldSBK Team 1m 35.621s 6 laps
- Alex Lowes GBR Pata Yamaha 1m 35.874s 5 laps
- Markus Reiterberger GER BMW WorldSBK Team 1m 35.973s 8 laps
- Alvaro Bautista ESP Aruba.it Racing – Ducati 1m 3028s 4 laps
- Leon Haslam GBR Kawasaki Racing Team 1m 3094s 11 laps
- Toprak Razgatlioglu TUR Kawasaki Puccetti Racing 1m 36.407s 10 laps
- Jordi Torres ESP Team Pedercini Racing Kawasaki 1m 36.649s 9 laps
- Chaz Davies GBR Aruba.it Racing – Ducati 1m 36.884s 7 laps
- Leon Camier GBR Moriwaki Althea Honda Team 1m 37.041s 7 laps
- Ryuichi Kiyonari JPN Moriwaki Althea Honda Team 1m 37.220s 6 laps
- Hector Barbera ESP Orelac Racing VerdNatura Kawasaki 1m 37.236s 11 laps
- Marco Melandri ITA GRT Yamaha 1m 37.237s 8 laps
- Michael van der Mark NED Pata Yamaha 1m 37.285s 2 laps
- Eugene Laverty IRE Team Go Eleven Ducati 1m 37.356s 7 laps
- Michael Ruben Rinaldi ITA Barni Racing Team Ducati 1m 37.612s 11 laps
- Alessandro Delbianco ITA Althea Mie Racing Team Honda 1m 38.548s 8 laps
- Sandro Cortese GER GRT Yamaha No time set 0 laps
Hector Barbera is replacing the injured Leandro Mercado at Orelac Racing.
