|“||Don't give up!||”|
Hannah Essenheimer is a professional tennis player from Germany.
Initially, Ryoma and Momoshiro thought she was just a drunk lady. She knew all of Ryoma's weaknesses and pointed them all out. However, she is friendly towards Tezuka.
Prior to meeting Tezuka she played professional tennis except she was bullied so she retired. She returned to playing tennis professionally after playing against Ryoma when Seigaku went to Germany to visit Tezuka.
- She turned pro at the age of 16.
- She is the first and only anime-only pro player.