I am looking how is possible to do it but it seems Rekordbox is not capable to send MIDI Clock to Toraiz. And we are not not ones that are trying to make it
http://www.mk837.com/2017/04/18/rekordbox-problem/
Some people are doing it just pluging Toraiz via audio cables but with this you have to manual do the beatmatch , like the guy in the video
https://www.youtube.com/watch?v=uFHIsHlPWk8
Some other people has some additional possibilities like the one described in the following URL.
http://www.mk837.com/2017/06/06/solution-hybrid-dj-setup-rekordbox/
Sérgio