High Quality Content by WIKIPEDIA articles! The Orange Bowl International Tennis Championships, known since 2008 as the Dunlop Orange Bowl International Tennis Championships with Dunlop as the title sponsor, is a prestigious junior tennis tournament, one of only five that are rated by the ITF as `Grade A`. Established in 1947 in Miami Beach, the tournament has for years featured both boys and girls singles and doubles draws at both `18 and under` (under-19) and `16 and under` (under-17) age categories. Since 1999, the tournament has been held each December at Crandon Park in Key Biscayne, Florida.