Matsuyama Challenger
| Ehime International Open | |
|---|---|
| ATP Challenger Tour | |
| Event name | Unicharm Trophy Ehime International Open Tennis |
| Location | Matsuyama, Japan |
| Venue | Ehime Prefectural Sports Complex |
| Category | ATP Challenger Tour |
| Surface | Hard |
| Draw | 32S / 16D |
| Prize money | $100,000 (2025) |
| Website | website |
The Ehime International Open Tennis is a professional tennis tournament played on hardcourts. It is part of the ATP Challenger Tour. It is held in Matsuyama, Ehime prefecture, Japan.