# 1977 US Open – Mixed doubles

Phil Dent and Billie Jean King were the defending champions but only Billie Jean King competed that year with Vitas Gerulaitis. Vitas Gerulaitis and Billie Jean King lost in the final 6–2, 3–6, 6–3 against Frew McMillan and Betty Stöve.

## Seeds

* Bob Hewitt / Greer Stevens (semifinals)
* Frew McMillan / Betty Stöve (champions)
* Vitas Gerulaitis / Billie Jean King (final)
* Marty Riessen / Françoise Dürr (first round)

## 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 |
| 1 | Bob Hewitt Greer Stevens | 6 | 3 | 6 | | | | | |
| 3 | Vitas Gerulaitis Billie Jean King | 4 | 6 | 7 | | | | | |
| 3 | Vitas Gerulaitis Billie Jean King | 4 | 6 | 7 | 3 | Vitas Gerulaitis Billie Jean King | 2 | 6 | 3 |
| | | | | | 2 | Frew McMillan Betty Stöve | 6 | 3 | 6 |
| | Butch Walts Kristien Shaw | 5 | 6 | 3 | 2 | Frew McMillan Betty Stöve | 6 | 3 | 6 |
| 2 | Frew McMillan Betty Stöve | 7 | 3 | 6 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | B Hewitt G Stevens | 6 | 6 | | | | | | | | | | | | | | | |
| | N Fraser L Hunt | 1 | 0 | | 1 | B Hewitt G Stevens | 7 | 6 | | | | | | | | | | |
| | A Neely C Baily | 6 | 4 | 1 | | B Carmichael P Teeguarden | 6 | 1 | | | | | | | | | | |
| | B Carmichael P Teeguarden | 3 | 6 | 6 | | | | | 1 | B Hewitt G Stevens | 6 | 6 | | | | | | |
| | W Maze L Forood | 2 | 7 | 0 | | | | | | F McNair J Russell | 4 | 0 | | | | | | |
| | J Austin T Austin | 6 | 5 | 6 | | J Austin T Austin | 4 | 4 | | | | | | | | | | |
| | P Kronk P Whytcross | 6 | 3 | | | F McNair J Russell | 6 | 6 | | | | | | | | | | |
| | F McNair J Russell | 7 | 6 | | | | | | | | | | | 1 | B Hewitt G Stevens | 6 | 3 | 6 |
| 3 | V Gerulaitis BJ King | 6 | 6 | | | | | | | | | | | 3 | V Gerulaitis BJ King | 4 | 6 | 7 |
| | K Stuart BA Stuart | 2 | 1 | | 3 | V Gerulaitis BJ King | 6 | 6 | | | | | | | | | | |
| | J Feaver V Ruzici | 6 | 7 | | | J Feaver V Ruzici | 1 | 2 | | | | | | | | | | |
| | R Fagel H Anliot | 3 | 5 | | | | | | 3 | V Gerulaitis BJ King | 4 | 7 | 6 | | | | | |
| | T Waltke S Margolin | 4 | 2 | | | | | | | R Case M Guerrant | 6 | 5 | 3 | | | | | |
| | R Reid K Reid | 6 | 6 | | | R Reid K Reid | 4 | 4 | | | | | | | | | | |
| | V Amaya C Meyer | 6 | 4 | | | R Case M Guerrant | 6 | 6 | | | | | | | | | | |
| | R Case M Guerrant | 7 | 6 | | | | | | | | | | | | | | | |

### Bottom 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 |
| | J Norbäck N Bohm | 3 | 4 | | | | | | | | | | | | | | | |
| | J Marks W Turnbull | 6 | 6 | | | J Marks W Turnbull | 6 | 6 | 2 | | | | | | | | | |
| | B Walts K Shaw | 4 | 6 | 6 | | B Walts K Shaw | 4 | 7 | 6 | | | | | | | | | |
| | W Prinsloo Y Vermaak | 6 | 2 | 1 | | | | | | | B Walts K Shaw | 6 | 6 | | | | | |
| | J McEnroe M Carillo | 5 | 6 | 4 | | | | | | | D Ralston R Casals | 3 | 4 | | | | | |
| | C Kachel I Kloss | 7 | 3 | 6 | | C Kachel I Kloss | 6 | 6 | | | | | | | | | | |
| | D Ralston R Casals | 7 | 6 | | | D Ralston R Casals | 7 | 7 | | | | | | | | | | |
| 4 | M Riessen F Dürr | 6 | 3 | | | | | | | | | | | | B Walts K Shaw | 5 | 6 | 3 |
| | J Delaney P Bostrom | 6 | 5 | 3 | | | | | | | | | | 2 | F McMillan B Stöve | 7 | 3 | 6 |
| | G Hardie B Nagelsen | 3 | 7 | 6 | | G Hardie B Nagelsen | 5 | 7 | 4 | | | | | | | | | |
| | B Teacher K May | 6 | 7 | | | B Teacher K May | 7 | 5 | 6 | | | | | | | | | |
| | M Machette S Walsh | 2 | 6 | | | | | | | | B Teacher K May | 5 | 2 | | | | | |
| | V Winitsky R Fox | 6 | 6 | | | | | | | 2 | F McMillan B Stöve | 7 | 6 | | | | | |
| | M Edmondson A Kiyomura | 2 | 2 | | | V Winitsky R Fox | 4 | 3 | | | | | | | | | | |
| | C Letcher D Evers | 5 | 4 | | 2 | F McMillan B Stöve | 6 | 6 | | | | | | | | | | |
| 2 | F McMillan B Stöve | 7 | 6 | | | | | | | | | | | | | | | |