Leroy Tweet 2
Winning streaks of Tekken:— vSlash | RB | Arslan Ash (@ArslanAsh95) January 25, 2020
2017 JDCR = Dragnov
2018 Knee = Steve (Mostly)
Early 2019 Ash = Kazumi & Geese
Late 2019 Awais & Atif = Akuma
2020 = Leroy
All in all, the stronger the character; the better chances of winning. So, It's basically about the game design.