Osaka 1973 ATP
Final
| Winner | Loser | Score | |
|---|---|---|---|
| Ken Rosewall | d. | Toshiro Sakai | 6-2 6-4 |
Semifinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ken Rosewall | d. | Cliff Drysdale | 6-1 6-4 |
| Toshiro Sakai | d. | Zeljko Franulovic | 5-7 6-3 6-1 |
Quarterfinals
| Winner | Loser | Score | |
|---|---|---|---|
| Ken Rosewall | d. | Jun Kuki | 6-2 6-4 |
| Cliff Drysdale | d. | Milan Holecek | 6-2 7-5 |
| Zeljko Franulovic | d. | Paul Kronk | 6-1 6-2 |
| Toshiro Sakai | d. | Sherwood Stewart | 6-1 6-4 |
Round of 16
| Winner | Loser | Score | |
|---|---|---|---|
| Ken Rosewall | d. | Geoff Masters | 6-2 6-0 |
| Jun Kuki | d. | Takeshi Koura | 6-2 6-1 |
| Milan Holecek | d. | Colin Dibley | 6-3 6-3 |
| Cliff Drysdale | d. | Jun Kamiwazumi | 6-2 6-2 |
| Paul Kronk | d. | Vijay Amritraj | 6-7 6-4 7-6 |
| Zeljko Franulovic | d. | Kiyoshi Tanabe | 6-3 6-2 |
| Toshiro Sakai | d. | Jasjit Singh | 6-4 7-6 |
| Sherwood Stewart | d. | Tom Gorman | 6-3 4-6 6-4 |
Round of 32
| Winner | Loser | Score | |
|---|---|---|---|
| Ken Rosewall | d. | Ian Fletcher | 6-7 6-0 6-2 |
| Geoff Masters | d. | Dick Dell | 6-3 4-6 6-4 |
| Jun Kuki | d. | Jeff Borowiak | 7-6 6-1 |
| Takeshi Koura | d. | Allan Stone | 6-3 5-7 6-3 |
| Colin Dibley | d. | Eddie Cruz | 6-2 6-2 |
| Milan Holecek | d. | Toizo Hosoi | 6-4 4-6 6-2 |
| Jun Kamiwazumi | d. | Felix Ponte | 4-6 6-4 6-4 |
| Cliff Drysdale | d. | Keishiro Yanagi | 6-3 6-4 |
| Vijay Amritraj | d. | A Uehara | 6-1 6-1 |
| Paul Kronk | d. | Osamu Ishiguro | 3-6 7-6 7-6 |
| Zeljko Franulovic | d. | Anand Amritraj | 7-5 6-2 |
| Kiyoshi Tanabe | d. | Kenichi Hirai | 6-3 5-7 6-3 |
| Jasjit Singh | d. | Ross Case | 6-1 6-0 |
| Toshiro Sakai | d. | Jeff Simpson | 6-1 6-2 |
| Sherwood Stewart | d. | Marcello Lara | 7-6 7-6 |
| Tom Gorman | d. | Tadayuki Sawamatsu | 6-3 7-6 |