The TKX (P) is an earlier iteration of the TKX, serving as a prototype of the Type 10 MBT. As the Japanese Self-Defense Forces (JSDF) pursue ongoing advancements in tank technology, they've prioritized key enhancements over the Type 90, These upgrades include a focus on reduced weight without compromising armour effectiveness, heightened integration of C4I capabilities, and the introduction of modular armour configurations. These modular slots allow for the seamless interchangeability of armour kits, ranging from lightweight to standard and even specialized war kits. The TKX (P) is the foundational platform for the Type 10 series, presenting a "barebones" configuration ready to accommodate various modular armour configurations tailored to specific operational requirements.

It was introduced in Update "Sons of Attila". The TKX (P) comes as a supplement to the Type 90 with the improved Gen 3 thermals as opposed to Gen 1 and a smaller mantlet at the cost of turret side protection and overall mobility. As an early prototype of the Type 10, it doesn't come with its distinct Type 10 APDSFS shell. This leaves the TKX (P) as a hybrid of the Type 16 in overall manoeuvre paths and spotting visibility with the firepower of a Type 90.