Washington Open 1978
Jimmy Connors won the title, beating Eddie Dibbs 7–5 7–5 in the final.
Latest results
- Semifinal: Jimmy Connors def. Jose Higueras 7–6 6–2
- Semifinal: Eddie Dibbs def. Manuel Orantes 7–5 6–0
- Quarterfinal: Jimmy Connors def. Hans Gildemeister 7–5 6–4
- Quarterfinal: Jose Higueras def. Harold Solomon 6–4 6–4
Washington 1978 1978
- Defending champion
- Brian Gottfried
Ranking points by round
| Champion | 500 |
| Runner-up | 330 |
| Semifinal | 200 |
| Quarterfinal | 100 |
| Round of 16 | 50 |
| Round of 32 | 25 |
| Round of 64 | 0 |
| Qualifier bonus | 16 |
Recent finals
| Year | Champion | Runner-up |
|---|---|---|
| 1977 | Brian Gottfried | Bob Lutz |
| 1976 | Harold Solomon | Onny Parun |
| 1975 | Mark Cox | Dick Stockton |
| 1974 | Vijay Amritraj | Karl Meiler |
| 1973 | Arthur Ashe | Tom Okker |
| 1972 | Stan Smith | Jimmy Connors |
| 1971 | Ken Rosewall | Marty Riessen |
| 1970 | Cliff Richey | Arthur Ashe |
Matches by round
63 finishedFinal
1 finishedFin
Semifinals
2 finishedFin
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Quarterfinals
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Round of 16
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Round of 32
16 finishedFin
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Round of 64
32 finishedFin
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