Papa represented the Philippines in various international competitions including the 1992 Summer Olympics in Barcelona, 1996 Summer Olympics in Atlanta, 1994 Asian Games in Hiroshima, 1998 Asian Games in Bangkok, 1997 World University Games in Sicily, 1995 Pan Pacific Games in Atlanta, 1991 SouthEast Asian Games in Manila, 1993 SouthEast Asian Games in Singapore, 1995 SouthEast Asian Games in Chiang Mai, 1997 SouthEast Asian Games in Jakarta.