Ichiriki Ryo doesn’t “get beaten by many Chinese players easily”. I looked at his matches against Mainland Chinese players since october 2019: the list below features the ratings of his Chinese opponents and the result of each match.
3660 W
3623 L
3604 W
3598 W
3572 L
3572 L
3571 L
3564 L
3544 W
3535 W
3419 L
3283 W
3262 W
He is currently rated 3561 and #17 on goratings, this doesn’t look unrealistic.