The Tel Aviv Open (also known as the Tel Aviv Watergen Open due to sponsorship reasons) is an ATP Tour-affiliated tennis tournament.

It was first played from 1978 through 1999 (skipping 1982 due to the 1982 Lebanon War and 1997 as it transitioned back to the Challenger Series) and was to be resumed in 2014 as a replacement for the St. Petersburg Open,[1] however its return was cancelled due to security concerns arising from the 2014 Gaza War and scrapped permanently in 2015.

On June 21, 2022, it was announced that the tournament would return later that year, albeit in a different venue than previous editions.

The tournament was planned to continue in 2023, but was cancelled due to the Israel–Hamas war.

Jimmy Connors won his final career singles title at the event in 1989.