| Osaka Mayor's Cup | |
|---|---|
| Tournament information | |
| Founded | 1993 |
| Location | Osaka Japan |
| Venue | Utsubo Tennis Center |
| Category | ITF Junior Grade A (1993–current) |
| Surface | Hard - outdoors |
| Draw | 64S / 32Q / 32D |
| Website | www.kansaita.jp |
| Current champions (2018) | |
| Singles |  Keisuke Saitoh (Boys)  Clara Tauson (Girls) |
| Doubles | Tomoya Okeda (Boys) Shunsuke Mitsui Mana Kawamura (Girls) Funa Kozaki |
The Osaka Mayor's Cup is an ITF Grade A junior tennis tournament. It is held annually in Osaka.