>>51291888Ash Vs Cynthia already meets one of the three requirements necessary to make a genuinely good Pokémon battle. That being history between the two trainers. Now, all it needs is a respectable battle script and serviceable animation. If done well I could see the fight becoming the third or even second best.
>>51291914Ash Vs Paul will never be topped. But Ash Vs Alan was already surpassed by multiple battles. After all, the only thing it has going for is the high production values.
>>51291946Beating a rivalry that was properly built up since the first episode of a season is hard to do, not to mention impossible with the current state of the writing quality.