# 1981 Stowe Grand Prix – Singles

Bob Lutz was the defending champion, but lost in the first round to Charles Strode.
Brian Gottfried won the title by defeating Tony Graham 6–3, 6–3 in the final.

## Seeds

* Johan Kriek (quarterfinals)
* Brian Gottfried (champion)
* Bob Lutz (first round)
* Fritz Buehning (quarterfinals)
* Tim Mayotte (second round)
* Jimmy Arias (semifinals)
* John Hayes (first round)
* Ron Hightower (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 |
| | Tony Graham | 6 | 6 | | | | | |
| 6 | Jimmy Arias | 3 | 2 | | | | | |
| 6 | Jimmy Arias | 3 | 2 | | | Tony Graham | 3 | 3 |
| | | | | | 2 | Brian Gottfried | 6 | 6 |
| | Marko Ostoja | 6 | 0 | 6 | 2 | Brian Gottfried | 6 | 6 |
| 2 | Brian Gottfried | 4 | 6 | 7 | | | | |

### 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 |
| 1 | J Kriek | 6 | 6 | | | | | | | | | | | | | | |
| | G Hardie | 2 | 2 | | 1 | J Kriek | 0 | 6 | 7 | | | | | | | | |
| | L Palin | 2 | 1 | | | D Stockton | 6 | 4 | 6 | | | | | | | | |
| | D Stockton | 6 | 6 | | | | | | | 1 | J Kriek | 3 | 2 | | | | |
| | J Alexander | 3 | 2 | | | | | | | | T Graham | 6 | 6 | | | | |
| | T Graham | 6 | 6 | | | T Graham | 7 | 7 | | | | | | | | | |
| | C Mayotte | 6 | 6 | | | C Mayotte | 6 | 6 | | | | | | | | | |
| 7 | J Hayes | 3 | 4 | | | | | | | | | | | | T Graham | 6 | 6 |
| 4 | F Buehning | 6 | 4 | 6 | | | | | | | | | | 6 | J Arias | 3 | 2 |
| | M Fishbach | 2 | 6 | 0 | 4 | F Buehning | 6 | 6 | | | | | | | | | |
| | J Núñez | 0 | 3 | | Q | J Davis | 1 | 0 | | | | | | | | | |
| Q | John Davis | 6 | 6 | | | | | | | 4 | F Buehning | 3 | 1 | | | | |
| | M Mitchell | 6 | 6 | | | | | | | 6 | J Arias | 6 | 6 | | | | |
| | J Andrew | 3 | 2 | | | M Mitchell | 3 | 7 | 5 | | | | | | | | |
| Q | J Lapidus | 5 | 2 | | 6 | J Arias | 6 | 5 | 7 | | | | | | | | |
| 6 | J Arias | 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 |
| 5 | T Mayotte | 6 | 6 | | | | | | | | | | | | | | | |
| | Gewan Maharaj | 3 | 1 | | 5 | T Mayotte | 6 | 6 | 2 | | | | | | | | | |
| Q | T Delatte | 6 | 2 | 1 | | M Ostoja | 7 | 4 | 6 | | | | | | | | | |
| | M Ostoja | 2 | 6 | 6 | | | | | | | M Ostoja | 6 | 7 | | | | | |
| | L Stefanki | 6 | 6 | | | | | | | | L Stefanki | 1 | 6 | | | | | |
| | J Smith | 3 | 3 | | | L Stefanki | 6 | 6 | | | | | | | | | | |
| | C Strode | 6 | 6 | 6 | | C Strode | 3 | 1 | | | | | | | | | | |
| 3 | B Lutz | 7 | 2 | 1 | | | | | | | | | | | M Ostoja | 6 | 0 | 6 |
| 8 | R Hightower | 3 | 6 | 6 | | | | | | | | | | 2 | B Gottfried | 4 | 6 | 7 |
| | G Moretton | 6 | 2 | 7 | | G Moretton | 7 | 6 | 7 | | | | | | | | | |
| | M Strode | 4 | 5 | | | L Bourne | 6 | 7 | 6 | | | | | | | | | |
| | L Bourne | 6 | 7 | | | | | | | | G Moretton | 1 | 2 | | | | | |
| Q | M Leach | 6 | 6 | | | | | | | 2 | B Gottfried | 6 | 6 | | | | | |
| | M Doyle | 3 | 4 | | Q | M Leach | 6 | 3 | 2 | | | | | | | | | |
| | I Fletcher | 2 | 3 | | 2 | B Gottfried | 4 | 6 | 6 | | | | | | | | | |
| 2 | B Gottfried | 6 | 6 | | | | | | | | | | | | | | | |