Royal Kobayashi (20-0-0) vs Alexis Argüello (40-4-0)
- Date
- 1975-10-12
- Result
- Winner: Alexis Argüello
- Method
- KO
- Round
- 5 of 15
- Time
- 2:47
- Venue
- Kuramae Kokugikan
- City
- Tokyo
- Country
- 🇯🇵 JP
- Title
- For WBA & The Ring featherweight titles
- Confirmation
- ✓✓ two sources
Sources
| Source | Side | Link | Observed |
|---|---|---|---|
| English Wikipedia | a | https://en.wikipedia.org/wiki/Royal_Kobayashi | 2026-10-11 |
| English Wikipedia | b | https://en.wikipedia.org/wiki/Alexis_Arg%C3%BCello | 2026-10-11 |
| Wikipedia (ja) | a | https://ja.wikipedia.org/wiki/%E3%83%AD%E3%82%A4%E3%83%A4... | 2026-10-12 |