https://matsuyamahaiku.jp/contest/free_eng/
Two sections:
Your photo—Take a photo and combine it with a haiku, addressing the theme of "the sea"
"The sea" theme must be in either the photo or the haiku or both. Unlimited entries.
Set photo—respond to a given photo prompt; one entry per image in two categories
https://matsuyamahaiku.jp/contest/index_en.php