# 1981 U.S. Pro Indoor – Singles

Jimmy Connors was the defending champion, but lost in the quarterfinals this year.
Roscoe Tanner won the title, defeating Wojtek Fibak, 6–2, 7–6, 7–5 in the final.

## Seeds

* Jimmy Connors (quarterfinals)
* Harold Solomon (third round)
* Vitas Gerulaitis (quarterfinals)
* Eliot Teltscher (first round)
* Brian Gottfried (second round)
* Brian Teacher (second round)
* Roscoe Tanner (champion)
* Wojtek Fibak (final)
* Victor Amaya (third round, retired)
* Johan Kriek (first round)
* John Sadri (quarterfinals)
* Balázs Taróczy (third round)
* Vijay Amritraj (second round)
* Yannick Noah (semifinals)
* Bill Scanlon (first round)
* Tomáš Šmíd (second 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 | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 8 | Wojtek Fibak | 3 | 6 | 6 | 6 | | | | | | |
| 14 | Yannick Noah | 6 | 3 | 3 | 2 | | | | | | |
| 14 | Yannick Noah | 6 | 3 | 3 | 2 | | 8 | Wojtek Fibak | 2 | 6 | 5 |
| | | | | | | | 7 | Roscoe Tanner | 6 | 7 | 7 |
| | Thierry Tulasne | 6 | 6 | 6 | 4 | 4 | 7 | Roscoe Tanner | 6 | 7 | 7 |
| 7 | Roscoe Tanner | 7 | 3 | 3 | 6 | 6 | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | J Connors | 6 | 6 | | | | | | | | | | | | | | | | |
| | S Smith | 3 | 3 | | 1 | J Connors | 7 | 4 | 6 | | | | | | | | | | |
| | | | | | | P Feigl | 5 | 6 | 4 | | | | | | | | | | |
| | | | | | | | | | | 1 | J Connors | 6 | 1 | | | | | | |
| | | | | | | | | | | 9 | V Amaya | 1 | 0$^r$ | | | | | | |
| | | | | | Q | J Borowiak | 4 | 4 | | | | | | | | | | | |
| 9 | V Amaya | 3 | 7 | 7 | 9 | V Amaya | 6 | 6 | | | | | | | | | | | |
| | M Riessen | 6 | 6 | 6 | | | | | | | | | | | 1 | J Connors | 6 | 6 | 2 |
| | B Walts | 7 | 6 | | | | | | | | | | | | 8 | W Fibak | 7 | 0 | 6 |
| 15 | B Scanlon | 6 | 3 | | | B Walts | 4 | 6 | 3 | | | | | | | | | | |
| | | | | | | T Giammalva | 6 | 3 | 6 | | | | | | | | | | |
| | | | | | | | | | | | T Giammalva | 2 | 6 | 2 | | | | | |
| | | | | | | | | | | 8 | W Fibak | 6 | 4 | 6 | | | | | |
| | | | | | Q | C Delaney | 6 | 2 | 0 | | | | | | | | | | |
| | P Fleming | 3 | 6 | | 8 | W Fibak | 1 | 6 | 6 | | | | | | | | | | |
| 8 | W Fibak | 6 | 7 | | | | | | | | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 3 | V Gerulaitis | 6 | 6 | | | | | | | | | | |
| | S Glickstein | 6 | 6 | | S Glickstein | 2 | 2 | | | | | | | | | | |
| | R Frawley | 3 | 2 | | | | | | 3 | V Gerulaitis | 6 | 6 | | | | | |
| | R Ramírez | 6 | 6 | | | | | | 12 | B Taróczy | 3 | 4 | | | | | |
| | R Simpson | 3 | 3 | | R Ramírez | 6 | 2 | | | | | | | | | | |
| | | | | 12 | B Taróczy | 7 | 6 | | | | | | | | | | |
| | | | | | | | | | | | | | 3 | V Gerulaitis | 4 | 6 | 3 |
| 14 | Y Noah | 6 | | | | | | | | | | | 14 | Y Noah | 6 | 4 | 6 |
| | B Mottram | 0 | r | 14 | Y Noah | 6 | 3 | 6 | | | | | | | | | |
| | | | | | T Moor | 4 | 6 | 3 | | | | | | | | | |
| | | | | | | | | | 14 | Y Noah | 6 | 7 | | | | | |
| | | | | | | | | | | F González | 4 | 5 | | | | | |
| | | | | | F González | 7 | 3 | 6 | | | | | | | | | |
| | B Manson | 3 | 5 | 6 | B Teacher | 6 | 6 | 2 | | | | | | | | | |
| 6 | B Teacher | 6 | 7 | | | | | | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 5 | B Gottfried | 6 | 6 | | | | | | | | | | | | | | | |
| | C Roger-Vasselin | 4 | 4 | | 5 | B Gottfried | 5 | 3 | | | | | | | | | | |
| | | | | | | T Gullikson | 7 | 6 | | | | | | | | | | |
| | | | | | | | | | | | T Gullikson | 7 | 6 | 4 | | | | |
| | S Mayer | 7 | 3 | 6 | | | | | | 11 | J Sadri | 6 | 7 | 6 | | | | |
| | P DuPré | 6 | 6 | 4 | | S Mayer | 6 | 4 | 2 | | | | | | | | | |
| | | | | | 11 | J Sadri | 4 | 6 | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 11 | J Sadri | 6 | 3 |
| | M Purcell | 6 | 6 | | | | | | | | | | | | | T Tulasne | 7 | 6 |
| 10 | J Kriek | 2 | 1 | | | M Purcell | 4 | 1 | | | | | | | | | | |
| | | | | | | T Tulasne | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | | T Tulasne | 6 | 4 | 6 | | | | |
| | | | | | | | | | | | S Giammalva Jr. | 3 | 6 | 2 | | | | |
| | | | | | | S Giammalva Jr. | 6 | 4 | 6 | | | | | | | | | |
| | B Mitton | 6 | 6 | 7 | | B Mitton | 4 | 6 | 2 | | | | | | | | | |
| 4 | E Teltscher | 4 | 7 | 5 | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 7 | R Tanner | 6 | 6 | | | | | | | | | | | | | | |
| | T Waltke | 2 | 3 | 7 | R Tanner | 6 | 6 | | | | | | | | | | |
| | | | | | H Günthardt | 3 | 4 | | | | | | | | | | |
| | | | | | | | | 7 | R Tanner | 7 | 7 | | | | | | |
| | D Stockton | 7 | 7 | | | | | | D Stockton | 6 | 6 | | | | | | |
| | P Dent | 6 | 6 | | D Stockton | 6 | 6 | | | | | | | | | | |
| | | | | 16 | T Šmíd | 4 | 4 | | | | | | | | | | |
| | | | | | | | | | | | | | 7 | R Tanner | 7 | 4 | 6 |
| | | | | | | | | | | | | | | P Portes | 5 | 6 | 3 |
| | | | | 13 | V Amritraj | 6 | 1 | | | | | | | | | | |
| | P Portes | 6 | 6 | | P Portes | 7 | 6 | | | | | | | | | | |
| | A Pattison | 2 | 3 | | | | | | P Portes | 3 | 6 | 6 | | | | | |
| | | | | | | | | 2 | H Solomon | 6 | 4 | 2 | | | | | |
| | | | | Q | J Lapidus | 3 | 3 | | | | | | | | | | |
| Q | M Ostoja | 0 | 1 | 2 | H Solomon | 6 | 6 | | | | | | | | | | |
| 2 | H Solomon | 6 | 6 | | | | | | | | | | | | | | |