Nagareyama CH 1981 ATP
Final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Ron Hightower | m. | Matt Doyle | 7-5 7-6 |
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Matt Doyle | m. | Dave Siegler | 6-4 6-3 |
| Ron Hightower | m. | Russell Simpson | 6-4 6-4 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Dave Siegler | m. | Jim Delaney | 6-4 2-6 6-4 |
| Matt Doyle | m. | Mike Cahill | 5-7 6-4 6-3 |
| Ron Hightower | m. | Syd Ball | 7-6 6-1 |
| Russell Simpson | m. | Damir Keretic | 6-4 6-7 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Dave Siegler | m. | Beejong Sisson | 6-1 6-0 |
| Damir Keretic | m. | Cary Stansbury | 6-4 6-4 |
| Jim Delaney | m. | Roland Stadler | 6-1 6-4 |
| Ron Hightower | m. | Cliff Letcher | 6-4 6-2 |
| Matt Doyle | m. | Jimmy Arias | 6-4 6-2 |
| Mike Cahill | m. | Tsuyoshi Fukui | 6-3 6-4 |
| Syd Ball | m. | Andy Kohlberg | 7-6 6-3 |
| Russell Simpson | m. | Bill Maze | 0-6 6-4 7-6 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Beejong Sisson | m. | Eiji Takeuchi | 6-4 6-1 |
| Bill Maze | m. | Jorge Andrew | 6-1 6-1 |
| Andy Kohlberg | m. | Warren Maher | 3-6 7-5 7-5 |
| Damir Keretic | m. | Jun Kamiwazumi | 6-4 6-3 |
| Ron Hightower | m. | Matt Mitchell | 6-1 3-6 6-2 |
| Tsuyoshi Fukui | m. | Charlie Fancutt | 6-4 6-4 |
| Jim Delaney | m. | Bruce Kleege | 6-4 6-3 |
| Jimmy Arias | m. | Markus Gunthardt | 6-1 6-1 |
| Cary Stansbury | m. | Greg Whitecross | 4-6 6-2 7-6 |
| Roland Stadler | m. | Shinichi Nishino | 6-1 6-1 |
| Cliff Letcher | m. | Wayne Pascoe | 1-6 6-1 6-3 |
| Matt Doyle | m. | Mike Shore | 6-1 6-2 |
| Mike Cahill | m. | Scott Mccain | 6-3 3-6 6-3 |
| Syd Ball | m. | Craig A Miller | 7-6 6-2 |
| Dave Siegler | m. | Billy Martin | 6-3 6-4 |
| Russell Simpson | m. | Shinichi Sakamoto | 7-5 6-4 |