# 1974 ABN World Tennis Tournament – Singles

Arthur Ashe was the defending champion of the singles event at the ABN World Tennis Tournament, but did not participate in this edition.
Second-seeded Tom Okker won the title, defeating Third-seeded Tom Gorman in the final, 6–3, 6–4.

## Seeds

* Ilie Năstase (second round)
* Tom Okker (champion)
* Tom Gorman (final)
* Cliff Drysdale (semifinals)
* Tony Roche (second round)
* Nikola Pilić (quarterfinals)
* John Alexander (first round)
* Marty Riessen (quarterfinals)

## Draw
### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 2 | Tom Okker | 6 | 3 | 6 | | | | |
| 4 | Cliff Drysdale | 3 | 6 | 3 | | | | |
| 4 | Cliff Drysdale | 3 | 6 | 3 | 2 | Tom Okker | 6 | 6 |
| | | | | | 3 | Tom Gorman | 3 | 4 |
| 3 | Tom Gorman | 6 | 6 | | 3 | Tom Gorman | 3 | 4 |
| | Hans-Jürgen Pohmann | 2 | 3 | | | | | |

#### Upper half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 2 | Tom Okker | 6 | 6 | | | | | | | | | | | | | | | | |
| | Mike Estep | 3 | 4 | | | | | | | | | | | | | | | | |
| | Mike Estep | 3 | 4 | | 2 | Tom Okker | 6 | 3 | 6 | | | | | | | | | | |
| | | | | | | Georges Goven | 0 | 6 | 1 | | | | | | | | | | |
| | Georges Goven | 6$^6$ | 6 | 7 | | Georges Goven | 0 | 6 | 1 | | | | | | | | | | |
| | Phil Dent | 7 | 4 | 5 | | | | | | | | | | | | | | | |
| | Phil Dent | 7 | 4 | 5 | | | | | | 2 | Tom Okker | 6 | 6 | | | | | | |
| | | | | | | | | | | 8 | Marty Riessen | 4 | 1 | | | | | | |
| | Andrew Pattison | 6 | 6 | | | | | | | | | | | 8 | Marty Riessen | 4 | 1 | | | | | | | |
| | Harald Elschenbroich | 1 | 2 | | | | | | | | | | | | | | | | |
| | Harald Elschenbroich | 1 | 2 | | | Andrew Pattison | 3 | 7 | 3 | | | | | | | | | | |
| | | | | | 8 | Marty Riessen | 6 | 5 | 6 | | | | | | | | | | |
| | Jean-Baptiste Chanfreau | 3 | 4 | | 8 | Marty Riessen | 6 | 5 | 6 | | | | | | | | | | |
| 8 | Marty Riessen | 6 | 6 | | | | | | | | | | | | | | | | |
| 8 | Marty Riessen | 6 | 6 | | | | | | | | | | | | 2 | Tom Okker | 6 | 3 | 6 |
| | | | | | | | | | | | | | | | 4 | Cliff Drysdale | 3 | 6 | 3 |
| 6 | Nikola Pilić | 2 | 7 | 6 | | | | | | | | | | | | | | | | 4 | Cliff Drysdale | 3 | 6 | 3 |
| | Jim McManus | 6 | 6$^6$ | 3 | | | | | | | | | | | | | | | |
| | Jim McManus | 6 | 6$^6$ | 3 | 6 | Nikola Pilić | 1 | 7 | 6 | | | | | | | | | | |
| | | | | | | Erik van Dillen | 6 | 6$^6$ | 3 | | | | | | | | | | |
| | Jan Hordijk | 6 | 3 | 2 | | Erik van Dillen | 6 | 6$^6$ | 3 | | | | | | | | | | |
| | Erik van Dillen | 4 | 6 | 6 | | | | | | | | | | | | | | | |
| | Erik van Dillen | 4 | 6 | 6 | | | | | | 6 | Nikola Pilić | 2 | 4 | | | | | | |
| | | | | | | | | | | 4 | Cliff Drysdale | 6 | 6 | | | | | | |
| | Bob Hewitt | 6 | 6 | | | | | | | | | | | 4 | Cliff Drysdale | 6 | 6 | | | | | | | |
| | Bob Carmichael | 4 | 3 | | | | | | | | | | | | | | | | |
| | Bob Carmichael | 4 | 3 | | | Bob Hewitt | 1 | 1 | | | | | | | | | | | |
| | | | | | 4 | Cliff Drysdale | 6 | 6 | | | | | | | | | | | |
| | Frew McMillan | 5 | 4 | | 4 | Cliff Drysdale | 6 | 6 | | | | | | | | | | | |
| 4 | Cliff Drysdale | 7 | 6 | | | | | | | | | | | | | | | | |

#### Lower half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 3 | Tom Gorman | w/o | | | | | | | | | | | | | | | |
| | Patrick Proisy | | | | | | | | | | | | | | | | |
| | Patrick Proisy | | | | 3 | Tom Gorman | 6 | 6 | | | | | | | | | |
| | | | | | | Ray Ruffels | 4 | 2 | | | | | | | | | |
| | Ray Ruffels | 7 | 7 | | | Ray Ruffels | 4 | 2 | | | | | | | | | |
| | Robert Maud | 5 | 6$^5$ | | | | | | | | | | | | | | |
| | Robert Maud | 5 | 6$^5$ | | | | | | | 3 | Tom Gorman | 7 | 6 | | | | |
| | | | | | | | | | | | Manuel Orantes | 6$^5$ | 4 | | | | |
| | Manuel Orantes | 6 | 6 | | | | | | | | | | | Manuel Orantes | 6$^5$ | 4 | | | | |
| | Nick Fleury | 3 | 3 | | | | | | | | | | | | | | |
| | Nick Fleury | 3 | 3 | | | Manuel Orantes | 6 | 3 | 6 | | | | | | | | |
| | | | | | 5 | Tony Roche | 4 | 6 | 3 | | | | | | | | |
| | Patrice Dominguez | 3 | 6 | 1 | 5 | Tony Roche | 4 | 6 | 3 | | | | | | | | |
| 5 | Tony Roche | 6 | 4 | 6 | | | | | | | | | | | | | |
| 5 | Tony Roche | 6 | 4 | 6 | | | | | | | | | | 3 | Tom Gorman | 6 | 6 |
| | | | | | | | | | | | | | | | Hans-Jürgen Pohmann | 2 | 3 |
| 7 | John Alexander | 6$^4$ | 4 | | | | | | | | | | | | | | | Hans-Jürgen Pohmann | 2 | 3 |
| | Rolf Thung | 7 | 6 | | | | | | | | | | | | | | |
| | Rolf Thung | 7 | 6 | | | Rolf Thung | 6 | 3 | 4 | | | | | | | | |
| | | | | | | Pierre Barthès | 3 | 6 | 6 | | | | | | | | |
| | Louk Sanders | 6$^4$ | 4 | | | Pierre Barthès | 3 | 6 | 6 | | | | | | | | |
| | Pierre Barthès | 7 | 6 | | | | | | | | | | | | | | |
| | Pierre Barthès | 7 | 6 | | | | | | | | Pierre Barthès | 1 | 4 | | | | |
| | | | | | | | | | | | Hans-Jürgen Pohmann | 6 | 6 | | | | |
| | Hans-Jürgen Pohmann | 6 | 6 | | | | | | | | | | | Hans-Jürgen Pohmann | 6 | 6 | | | | |
| | Wouter Fok | 3 | 4 | | | | | | | | | | | | | | |
| | Wouter Fok | 3 | 4 | | | Hans-Jürgen Pohmann | 6 | 6 | | | | | | | | | |
| | | | | | | Allan Stone | 2 | 2 | | | | | | | | | |
| | Allan Stone | 6 | 1 | 7 | | Allan Stone | 2 | 2 | | | | | | | | | |
| 1 | Ilie Năstase | 3 | 6 | 5 | | | | | | | | | | | | | |