ATP 250 · 1990-07-09 · draw of 32
Newport 1990
GrassFinal
| 🇿🇦 Pieter Aldrich | d. | 🇦🇺 Darren Cahill | 7-6 1-6 6-1 | H2H |
Semifinals
| 🇦🇺 Darren Cahill | d. | 🇩🇪 Eric Jelen | 7-6 6-3 | H2H |
| 🇿🇦 Pieter Aldrich | d. | 🇿🇦 Gary Muller | 6-4 7-6 | H2H |
Quarterfinals
| 🇿🇦 Pieter Aldrich | d. | 🇺🇸 Robbie Weiss | 6-4 6-1 | H2H |
| 🇩🇪 Eric Jelen | d. | 🇸🇪 Peter Lundgren | 6-2 6-2 | H2H |
| 🇿🇦 Gary Muller | d. | 🇺🇸 Jim Pugh | 6-3 6-7 6-3 | H2H |
| 🇦🇺 Darren Cahill | d. | 🇦🇺 Mark Kratzmann | 6-2 6-4 | H2H |
Round of 16
| 🇸🇪 Peter Lundgren | d. | 🇺🇸 Richard Matuszewski | 6-7 6-2 6-3 | H2H |
| 🇿🇦 Pieter Aldrich | d. | 🇺🇸 Joey Rive | 2-6 6-1 6-4 | H2H |
| 🇩🇪 Eric Jelen | d. | 🇺🇸 Rick Leach | 6-0 6-2 | H2H |
| 🇦🇺 Darren Cahill | d. | 🇺🇸 Todd Martin | W/O | H2H |
| 🇺🇸 Jim Pugh | d. | 🇺🇸 Bryan Shelton | 6-2 4-6 6-2 | H2H |
| 🇿🇦 Gary Muller | d. | 🇩🇪 Patrick Baur | 6-3 6-3 | H2H |
| 🇦🇺 Mark Kratzmann | d. | 🇳🇿 Bruce Derlin | 4-6 6-3 6-4 | H2H |
| 🇺🇸 Robbie Weiss | d. | 🇺🇸 Tim Mayotte | 3-6 6-3 7-6 | H2H |
Round of 32
| 🇺🇸 Robbie Weiss | d. | 🇺🇸 Brad Pearce | 7-6 6-2 | H2H |
| 🇺🇸 Bryan Shelton | d. | 🇿🇦 Danie Visser | 6-2 6-7 6-2 | H2H |
| 🇺🇸 Joey Rive | d. | 🇩🇪 Alexander Mronz | 6-4 6-2 | H2H |
| 🇺🇸 Richard Matuszewski | d. | 🇩🇪 Alexis Hombrecher | 1-6 7-6 6-0 | H2H |
| 🇺🇸 Todd Martin | d. | 🇺🇸 Jeff Tarango | 1-6 6-3 6-2 | H2H |
| 🇺🇸 Rick Leach | d. | 🇮🇹 Gianluca Pozzi | 6-4 6-4 | H2H |
| 🇳🇿 Bruce Derlin | d. | 🇺🇸 Brian Garrow | 6-2 6-1 | H2H |
| 🇩🇪 Patrick Baur | d. | 🇦🇺 John Fitzgerald | 7-6 3-6 7-6 | H2H |
| 🇿🇦 Pieter Aldrich | d. | 🇺🇸 Leif Shiras | 6-3 6-4 | H2H |
| 🇩🇪 Eric Jelen | d. | 🇿🇦 Mark Kaplan | 6-1 6-3 | H2H |
| 🇦🇺 Darren Cahill | d. | 🇦🇺 Broderick Dyke | 6-3 6-3 | H2H |
| 🇺🇸 Jim Pugh | d. | 🇦🇺 Simon Youl | 6-7 6-3 6-4 | H2H |
| 🇿🇦 Gary Muller | d. | 🇺🇸 Jimmy Brown | 6-3 3-6 7-6 | H2H |
| 🇦🇺 Mark Kratzmann | d. | 🇵🇹 Nuno Marques | 6-4 6-3 | H2H |
| 🇸🇪 Peter Lundgren | d. | 🇿🇦 Christo Van Rensburg | 6-1 6-4 | H2H |
| 🇺🇸 Tim Mayotte | d. | Miguel Nido | 6-2 6-4 | H2H |