Challenge: Single Chariot File 7 Endgame Technique - Can you solve it?

A high-level tactical Xiangqi composition. Red deploys Chariot on File 7 to exploit Black's General positioned shifted to file 4 while lacks all defensive Advisors and Elephants.

Challenge: Single Chariot File 7 Endgame Technique - Can you solve it?

Challenge: Single Chariot File 7 Endgame Technique - Can you solve it?