one-on-one

[ wuhn-on-wuhn, -awn- ]

/ ˈwʌn ɒnˈwʌn, -ɔn- /

consisting of or involving direct individual competition, confrontation, or communication; person-to-person: a one-on-one discussion.

in direct encounter: I'd rather settle this with her one-on-one.

a meeting or confrontation between two persons.

go one-on-one with, Sports. to play directly against (an opposing player).

Origin of one-on-one

An Americanism dating back to 1965–70

In terms of one-on-one with employees, being a mom helps me ground my roots to humanity.

Q&A With Designer Rachel Roy |Cynthia Allum |November 3, 2014 |DAILY BEAST
When the ball swings around to your man, they never come in one-on-one.

A Millennium After Inventing the Game, the Iroquois Are Lacrosse’s New Superpower |Evin Demirel |July 21, 2014 |DAILY BEAST
The entourage, so out of place in the one-on-one battle arena, soon left the stage.

America’s Poets: Battle Rap Gets Real |Rich Goldstein |July 15, 2014 |DAILY BEAST
If you don't botch the questionnaire, you are summoned for a one-on-one interview with Pierre.

The Secret Speakeasies of Buenos Aires |Jeff Campagna |February 25, 2014 |DAILY BEAST

But as far as religion goes, I feel like everyone should have their own one-on-one with God.

Ja Rule on Life in Prison, His 50 Cent Beef, New Film & Finding God |Marlow Stern |October 19, 2013 |DAILY BEAST

one-on-one

denoting a relationship or encounter in which someone is involved with only one other person a one-on-one meeting