Below you can find the 2 playing card terms make it to tennis: ace is an unreturned serve & this is a 40-40 score Jeopardy Words Answer. The answer to 2 playing card terms make it to tennis: ace is an unreturned serve & this is a 40-40 score has 5 letters. This clue belongs to the Tennis terms category and is part of Jeopardy Word Level 207. If you scroll near the bottom you will find other clues and answers part of level 207