>>39686174It wasn't considered a loss. Guzma lied, he told Ash that Golisopod was bored of battling such a weak opponent so it went back to its pokéball, then he walked away. Kukui noticed that and told him to stop running away
It would be considered a loss in an official league battle if it was 1vs1 I guess, but the semi-finals aren't 1vs1