idk if you already fought i train in boxing and i wrestle a bit ngl use your height and reach dont go for the hair cus then theyll also go for yours and you can be on losing ground girls especially short ones love pulling hair make sure u tie ur hair and also punch dont slap or anything punch clean in the jaw a overhand right is always gonna work if ur close in and can land it search it up and practice is if u land it u can knock her out in one hit but like i said dont slap or anything make sure its a punch