# 1970 Stockholm Open – Singles

The 1970 Stockholm Open was a tennis tournament played on hard courts and part of the 1970 Pepsi-Cola Grand Prix and took place in Stockholm, Sweden. The tournament was held from November 1 through November 7, 1970. Stan Smith won in the final by beating Arthur Ashe 5–7, 6–4, 6–4.

## Seeds

* Ken Rosewall (semifinal)
* Arthur Ashe (final)

## 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 | Ken Rosewall | 10 | 2 | 7 | | | | | |
| | Stan Smith | 8 | 6 | 9 | | | | | |
| | Stan Smith | 8 | 6 | 9 | | Stan Smith | 5 | 6 | 6 |
| | | | | | 2 | Arthur Ashe | 7 | 4 | 4 |
| | Cliff Richey | 5 | 4 | | 2 | Arthur Ashe | 7 | 4 | 4 |
| 2 | Arthur Ashe | 7 | 6 | | | | | | |

### Top 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 |
| 1 | K Rosewall | 6 | 6 | | | | | | | | | | | | | | | |
| | J Kodeš | 3 | 4 | | 1 | K Rosewall | 6 | 6 | | | | | | | | | | |
| | J Leschly | 3 | 11 | 6 | | J Leschly | 0 | 2 | | | | | | | | | | |
| | I Shafei | 6 | 9 | 2 | | | | | | 1 | K Rosewall | 6 | 6 | | | | | |
| | N Pilić | 11 | 6 | 4 | | | | | | | M Cox | 3 | 4 | | | | | |
| | R Ruffels | 13 | 3 | 6 | | R Ruffels | 6 | 8 | 4 | | | | | | | | | |
| | I Țiriac | 3 | 12 | 3 | | M Cox | 3 | 10 | 6 | | | | | | | | | |
| | M Cox | 6 | 10 | 6 | | | | | | | | | | 1 | K Rosewall | 10 | 2 | 7 |
| | S Smith | 6 | 6 | | | | | | | | | | | | S Smith | 8 | 6 | 9 |
| | T Gorman | 1 | 2 | | | S Smith | 6 | 6 | | | | | | | | | | |
| | C Drysdale | 6 | 6 | | | C Drysdale | 3 | 3 | | | | | | | | | | |
| | C Graebner | 1 | 4 | | | | | | | | S Smith | 6 | 6 | | | | | |
| | G Goven | 6 | 2 | 6 | | | | | | | G Goven | 2 | 3 | | | | | |
| | D Crealy | 2 | 6 | 4 | | G Goven | 6 | 9 | | | | | | | | | | |
| | B Carmichael | 6 | 6 | | | B Carmichael | 4 | 7 | | | | | | | | | | |
| | P Saila | 4 | 3 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | J Fillol | 4 | 3 | | | | | | | | | | | | | | |
| | D Ralston | 6 | 6 | | D Ralston | 5 | 6 | 6 | | | | | | | | | |
| | P Jemsby | 2 | 4 | | I Năstase | 7 | 3 | 0 | | | | | | | | | |
| | I Năstase | 6 | 6 | | | | | | | D Ralston | | | | | | | |
| | Z Franulović | 6 | 7 | | | | | | | C Richey | w/o | | | | | | |
| | O Davidson | 3 | 5 | | Z Franulović | 1 | 10 | 3 | | | | | | | | | |
| | A Gimeno | 21 | 1 | | C Richey | 6 | 8 | 6 | | | | | | | | | |
| | C Richey | 23 | 6 | | | | | | | | | | | | C Richey | 5 | 4 |
| | L Johansson | 5 | 4 | | | | | | | | | | | 2 | A Ashe | 7 | 6 |
| | B Holmström | 7 | 6 | | B Holmström | 1 | 6 | 4 | | | | | | | | | |
| | O Bengtson | 4 | 2 | | R Emerson | 6 | 3 | 6 | | | | | | | | | |
| | R Emerson | 6 | 6 | | | | | | | R Emerson | 4 | 8 | 4 | | | | |
| | K Johansson | 3 | 9 | | | | | | 2 | A Ashe | 6 | 6 | 6 | | | | |
| | R Taylor | 6 | 11 | | R Taylor | 3 | 7 | 4 | | | | | | | | | |
| | R Moore | 3 | 6 | 2 | A Ashe | 6 | 5 | 6 | | | | | | | | | |
| 2 | A Ashe | 6 | 8 | | | | | | | | | | | | | | |