1990 ATP Championship Series, Single Week
The 1990 ATP Championship Series, Single Week was a series of tennis tournament that was part of the 1990 ATP Tour, the elite tour for professional men's tennis organised by the Association of Tennis Professionals. It formed the tier below the Grand Slam tournaments.
Results
Tournament details
Indian Wells
| Tournament name | Newsweek Champions Cup |
| Dates | March 5 – 11 |
| Surface | Hard |
| Location | Indian Wells, California, United States |
Singles
Doubles
Key Biscayne
| Tournament name | Lipton International Players Championships |
| Dates | March 12 – 26 |
| Surface | Hard |
| Location | Key Biscayne, Florida, United States |
Singles
Doubles
Monte Carlo
| Tournament name | Monte Carlo Open |
| Dates | April 23 – 29 |
| Surface | Clay |
| Location | Monte Carlo, Monaco |
Singles
Doubles
Hamburg
| Tournament name | ATP German Open |
| Dates | May 7 – 13 |
| Surface | Clay |
| Location | Hamburg, Germany |
Singles
Doubles
Rome
| Tournament name | Peugeot Italian Open |
| Dates | May 14 – 20 |
| Surface | Clay |
| Location | Rome, Italy |
Singles
Doubles
Toronto
| Tournament name | Player's International |
| Dates | July 23 – 29 |
| Surface | Hard |
| Location | Toronto, Ontario, Canada |
Singles
Doubles
Cincinnati
| Tournament name | Thriftway ATP Championships |
| Dates | August 6 – 12 |
| Surface | Hard |
| Location | Mason, Ohio, United States |
Singles
Doubles
Stockholm
| Tournament name | Stockholm Open |
| Dates | October 22 – 28 |
| Surface | Carpet |
| Location | Stockholm, Sweden |
Singles
Doubles
Paris
| Tournament name | Paris Open |
| Dates | October 29 – November 4 |
| Surface | Carpet |
| Location | Paris, France |