Manila International Championships

The Manila International Championships also known as the Manila Open was a men's tennis tournament played at the  Rizal Memorial Tennis Center in Manila, Philippines from 1973-1978 and again in 1981.

The event was originally part of the ILTF World Circuit then later Grand Prix tennis circuit and was played on outdoor clay courts 1968 to 1972, 1974 to 1978, and again in 1981 and on hard courts in 1973.

History
In 1968 the Manila International Championships were established and the tournament was usually played in November. For the years 1973 to 1978 this tournament was also co valid, as the Philippines Open International Championships also called the Philippines Championships or Philippine Open that event was organised by the Philippine Tennis Association (PHILTA) and was established in 1918 that event ran till 1978 when it was discontinued. That event was usually played in February then switched to November in 1971. In 1981 this tournament was revived for one edition only as the Manila Open, also called the Philippines Masters.