Here is the full press release for the Soulcalibur 6 network test which kicks-off tomorrow but you can download the client now. Sadly, this is not available for PC players.

Soulcalibur 6 Network Test Download Links

PlayStation 4 Network Test
Xbox One Network Test

Celebrate SOULCALIBUR’s 20th anniversary with SOULCALIBUR VI! For a limited time only (September 28th-30th, 2018), we will be holding an online network test. Anyone can play for free, so you can enjoy the game before its official release.

Network Test Schedule:
Start: September 28th, 8:00 AM (PDT)
End: September 30th, 8:00 PM (PDT).

Playable Mode:
Ranked Match in Network Mode. (9 stages)

Playable Characters:
Mitsurugi
Sophitia
Grøh
Nightmare
Xianghua
Kilik
Ivy
Zasalamel
Geralt
Siegfried
Taki
Yoshimitsu
Maxi
Talim
Tira