Bàijiàng bùzú wéi lǜ, zhēnzhèng de duìshǒu hái wèi chūxiàn.
A defeated foe is no concern - the real opponent has yet to appear.
Tips
usage
败将 often appears in the set phrase 手下败将 (someone who has been defeated by you). It can be used figuratively in sports, business, or any competitive context.