Borwick enjoyed most of his tennis success while playing doubles. During his career he won 1 doubles title. He achieved a career-high doubles ranking of World No. 60 in 1992.
|Outcome||No.||Date||Tournament||Surface||Partner||Opponents in the final||Score in the final|
|Runner-up||1.||1990||Geneva, Switzerland||Clay||David Lewis|| Pablo Albano
|Winner||1.||1994||Jakarta, Indonesia||Hard||Jonas Björkman|| Jorge Lozano