# 1974 Dutch Open – Singles

The 1974 Dutch Open – Singles was an event of the 1974 Dutch Open tennis tournament and was played on outdoor clay courts at 't Melkhuisje in Hilversum in the Netherlands from 21 July until 28 July 1974. The draw comprised 32 players. Tom Okker was the defending Dutch Open singles champion but did not compete in this edition. Guillermo Vilas won the title by defeating Barry Phillips-Moore in the final, 6–4, 6–2, 1–6, 6–3.

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Guillermo Vilas | 6 | 6 | 6 | | | | | | |
| Marcello Lara | 4 | 4 | 4 | | | | | | |
| Marcello Lara | 4 | 4 | 4 | | Guillermo Vilas | 6 | 6 | 6 | 1 |
| | | | | | Barry Phillips-Moore | 4 | 2 | 6 | 3 |
| Paul Kronk | 6 | 2 | 3 | 3 | Barry Phillips-Moore | 4 | 2 | 6 | 3 |
| Barry Phillips-Moore | 3 | 6 | 6 | 6 | | | | | |

### Top half

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| Guillermo Vilas | 6 | 6 | | | | | | | | | | | | | |
| Eduardo Gorostiaga | 1 | 2 | | Guillermo Vilas | 6 | 6 | | | | | | | | | |
| Jan Hordijk | 6 | 7 | | Jan Hordijk | 2 | 1 | | | | | | | | | |
| John Fort | 1 | 5 | | | | | | Guillermo Vilas | 6 | 6 | | | | | |
| Julián Ganzábal | 6 | 6 | | | | | | Julián Ganzábal | 3 | 4 | | | | | |
| Dimitri Sturdza | 4 | 1 | | Julián Ganzábal | 7 | 7 | | | | | | | | | |
| Attila Korpás | 6 | 6 | | Attila Korpás | 5 | 6 | | | | | | | | | |
| Fred Hemmes Sr. | 2 | 1 | | | | | | | | | | Guillermo Vilas | 6 | 6 | 6 |
| John Lloyd | 6 | 6 | | | | | | | | | | Marcello Lara | 4 | 4 | 4 |
| Tom Christensen | 4 | 1 | | John Lloyd | 7 | 7 | | | | | | | | | |
| Elio Lito Alvarez | 6 | 6 | 7 | Elio Lito Alvarez | 6 | 6 | | | | | | | | | |
| Jean-Claude Barclay | 1 | 7 | 6 | | | | | John Lloyd | 2 | 6 | 2 | | | | |
| Marcello Lara | 6 | 6 | | | | | | Marcello Lara | 6 | 1 | 6 | | | | |
| Lars Elvstrøm | 2 | 3 | | Marcello Lara | 1 | 6 | 6 | | | | | | | | |
| Jun Kuki | 4 | 6 | 2 | Bertalan Csoknyai | 6 | 4 | 4 | | | | | | | | |
| Bertalan Csoknyai | 6 | 4 | 6 | | | | | | | | | | | | |

### Bottom half

| First Round | First Round | First Round | First Round | Second Round | Second Round | Second Round | Second Round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| Bob Maud | 4 | 7 | 3 | | | | | | | | | | | | |
| Louk Sanders | 6 | 5 | 6 | Louk Sanders | 6 | 6 | | | | | | | | | |
| Patricio Rodríguez | 6 | 5 | 6 | Patricio Rodríguez | 1 | 4 | | | | | | | | | |
| Kenichi Hirai | 3 | 7 | 3 | | | | | Louk Sanders | 4 | 3 | | | | | |
| Tito Vázquez | 6 | 2 | 6 | | | | | Paul Kronk | 6 | 6 | | | | | |
| Bob Rheinberger | 2 | 6 | 2 | Tito Vázquez | 3 | 3 | | | | | | | | | |
| Paul Kronk | 6 | 6 | | Paul Kronk | 6 | 6 | | | | | | | | | |
| Jean-Paul Meyer | 4 | 3 | | | | | | | | | | Paul Kronk | 6 | 2 | 3 |
| Barry Phillips-Moore | 1 | 7 | 6 | | | | | | | | | Barry Phillips-Moore | 3 | 6 | 6 |
| Petr Kanderal | 6 | 6 | 4 | Barry Phillips-Moore | 6 | 6 | 6 | | | | | | | | |
| Belus Prajoux | 6 | 5 | 7 | Belus Prajoux | 7 | 4 | 3 | | | | | | | | |
| Alex Kurucz | 4 | 7 | 6 | | | | | Barry Phillips-Moore | 3 | 6 | 6 | | | | |
| Jun Kamiwazumi | 6 | 4 | 7 | | | | | Jun Kamiwazumi | 6 | 3 | 2 | | | | |
| Jorge Andrew | 1 | 6 | 5 | Jun Kamiwazumi | 5 | 6 | 6 | | | | | | | | |
| Geza Varga | 6 | 6 | | Geza Varga | 7 | 4 | 1 | | | | | | | | |
| Mark Farrell | 3 | 2 | | | | | | | | | | | | | |