Hi Hadirad, I encountered the same issue as you. I'm from Singapore and whenever I play the weekend league it forces me to connect to the US servers.
I stumbled across this workaround - I disable my device (PS4) on the Host Filtering section (by unchecking "Enable") before I boot up my PS4. Upon logging onto the servers and on the FUT Champions section, I try searching for a game and it points me to the nearest server in HK (I believe). After which I'll re-enable my device on the Host Filtering section to make sure I'll reconnect to the HK server every time.
Do note that each time you reboot your PS4/ device, you'll have to repeat the above steps - for FUT Champions. All other modes does not require this step.
I believe that whenever we log on with Host Filtering enabled - our location gets mistaken by the EA servers, as we are inside the Host Filtering rage (not sure if I'm making sense here).
Do let me know if this works for you?