the last scene (also posted above) happens in episode 239 as Hinata has fantasies about a rival, she imagine the most classic of boxing scene, a cross counter!
another boxing scene also appear in the manga (chapter 139) involving Aki wearing a boxing outfit
Hana gets sad for a bit but then slowly realize she has feeling for Shinchiro, she also happen to cut her hair short
Updated Entry: Sensei Ore ni Kamawazu Itte Kudasai!!!