Related Clues:
- One with a heart?
- Something up your sleeve, perhaps
- One in the hand
- Club leader?
- Two can take it, usually
- First of a series
- Wunderkind
- It's not returnable
- Royal flush component
- Series test
- One in the pack
- Lleyton Hewitt serve, occasionally
- Two can take this, sometimes
- Perfect tennis serve
- Winning serve