The 1990 Manchester Open, also known by its sponsored name Direct Line Insurance Manchester Open, was an ATP men's tennis tournament held at the Northern Lawn Tennis Club in West Didsbury, Manchester in the United Kingdom and played on outdoor grass courts that was part of the World Series of the 1990 ATP Tour. It was the inaugural edition of the tournament and was held from 18 to 25 June 1990. Second-seeded Pete Sampras won the singles title, his first on grass, by defeating Gilad Bloom in the final.[1]
See main article: 1990 Manchester Open – Singles. 
Pete Sampras defeated 
Gilad Bloom 7–6(11–9), 7–6(7–3)
See main article: 1990 Manchester Open – Doubles. 
Mark Kratzmann / Jason Stoltenberg defeated 
Nick Brown / Kelly Jones 6–3, 2–6, 6–4