# Nicholas Kalogeropoulos vs U Unknown — Head-to-Head

Source: https://tennis-db.com/rivalries/nicholas-kalogeropoulos-vs-u-unknown?player1_id=4580508&player2_id=sackmann_atp:199999
Tour: ATP

## Overall
- Nicholas Kalogeropoulos: 2 wins
- U Unknown: 0 wins
- Total meetings: 2

## By surface
- Clay: Nicholas Kalogeropoulos 2 - 0 U Unknown

## By tournament category
- ATP 250: Nicholas Kalogeropoulos 2 - 0 U Unknown

## Meeting history (last 20)
| Date | Tournament | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- |
| 1973-03-28 | Valencia | R64 | Clay | Nicholas Kalogeropoulos | 4-6 7-6 6-1 |
| 1969-11-14 | Buenos Aires | R32 | Clay | Nicholas Kalogeropoulos | 6-3 3-6 6-1 6-3 |

---
Canonical URL: https://tennis-db.com/rivalries/nicholas-kalogeropoulos-vs-u-unknown?player1_id=4580508&player2_id=sackmann_atp:199999
Data source: TennisDB (tennis-db.com)