Reo Hatate has suffered more frustration in this international break after the Celtic midfielder was an unused sub in Japan’s 2-0 win over Saudi Arabia. The Samurai Blues created history with their first-ever win on Saudi Arabian soil but Hatate wasn’t allowed to be a part of the victory after Hajime Moriyasu decided to keep the Celtic hero kicking his heels on the Japan bench for the fourth game in a row. Hatate has struggled to regain his place in the Japan national team ever since he suffered a calf injury at Celtic last season. And with Australia up next for Hatate’s Japan, the Celtic midf…