It was the 18th edition of the event known that year as the ABN World Tennis Tournament, and part of the ATP World Series of the 1990 ATP Tour.
The 1990 ATP Championship Series, Single Week were part of the 1990 ATP Tour, the elite tour for professional men's tennis organised by the Association of Tennis Professionals.
The 1990 Australian Indoor Championships was a tennis tournament played on indoor hard courts at the Sydney Entertainment Centre in Sydney in Australia and was part of the Championship Series of the 1990 ATP Tour.
The 1990 Australian Men's Hardcourt Championships was a tennis tournament played on outdoor hard courts at the Memorial Drive Park in Adelaide in Australia and was part of the World Series of the 1990 ATP Tour.
It was the 2nd edition of the event known that year as the Banespa Open, and was part of the ATP World Series of the 1990 ATP Tour.
The 1990 BP National Championships was a men's tennis tournament played on outdoor hard courts in Wellington in New Zealand and was part of the World Series of the 1990 ATP Tour.
It was the 23rd edition of the event known that year as the Ebel U.S. Pro Indoor, and was part of the ATP Championship Series, double-week events of the 1990 ATP Tour, running concurrently with the 1990 Eurocard Classic.
It was the 1st edition of the event known that year as the Eurocard Classic (previously held as the Stuttgart Classic exhibition event in 1988 and 1989), and was part of the ATP Championship Series, double-week events of the 1990 ATP Tour, running concurrently with the 1990 Ebel U.S. Pro Indoor.
The 1990 Grand Prix de Tennis de Lyon was a tennis tournament played on indoor carpet courts at the Palais des Sports de Gerland in Lyon in France and was part of the World Series of the 1990 ATP Tour.
It was the 98th edition (the 22nd edition in the Open Era) of the event known that year as the Holden New South Wales (NSW) Open, and was part of the ATP World Series of the 1990 ATP Tour, and the WTA Tier III tournaments of the 1990 WTA Tour.
It was the 3rd edition of the event known that year as the SkyDome World Tennis Tournament (previously held twice in 1985 and 1986), and was part of the ATP Championship Series, double-week events of the 1990 ATP Tour, running concurrently with the 1990 Belgian Indoor Championships.
The 1990 Stella Artois Championships was a men's tennis tournament played on grass courts at the Queen's Club in London in the United Kingdom and was part of the World Series of the 1990 ATP Tour.
The 1990 Torneo Godó was the 38th edition of the Torneo Godó annual men's tennis tournament played on clay courts in Barcelona, Spain and part of the Championship Series of the 1990 ATP Tour.
It was the 101st edition of the event known that year as the Volvo San Francisco, and part of the ATP World Series, Free Week series of the 1990 ATP Tour.
It was the 20th edition of the event known that year as the Volvo U.S. National Indoor, and was part of the ATP World Series of the 1990 ATP Tour.
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