Monte Carlo Masters 1981 ATP
Semifinal
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Guillermo Vilas | m. | Adriano Panatta | 6-2 6-2 |
| Jimmy Connors | m. | Balazs Taroczy | 6-1 7-6 |
Perempat final
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Adriano Panatta | m. | Jose Higueras | 6-1 1-6 6-4 |
| Balazs Taroczy | m. | Ricardo Cano | 6-2 6-3 |
| Guillermo Vilas | m. | Tomas Smid | 6-0 1-6 7-6 |
| Jimmy Connors | m. | Yannick Noah | 6-3 6-2 |
Babak 16 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Adriano Panatta | m. | Victor Pecci | 6-3 6-2 |
| Jose Higueras | m. | Buster C Mottram | 3-6 6-4 6-1 |
| Ricardo Cano | m. | Sammy Giammalva Jr | 6-7 6-2 6-1 |
| Tomas Smid | m. | Gilles Moretton | 6-1 7-6 |
| Balazs Taroczy | m. | Christophe Roger Vasselin | 6-4 6-1 |
| Yannick Noah | m. | Gabriel Urpi | 7-5 5-7 7-5 |
| Guillermo Vilas | m. | Gianni Ocleppo | 6-4 6-1 |
| Jimmy Connors | m. | Pascal Portes | 6-3 6-1 |
Babak 32 besar
| Pemenang | Kalah | Skor | |
|---|---|---|---|
| Gabriel Urpi | m. | Angel Gimenez | 6-2 1-6 6-2 |
| Christophe Roger Vasselin | m. | Chris Lewis | 6-4 6-3 |
| Pascal Portes | m. | Andrew Pattison | 7-5 6-1 |
| Adriano Panatta | m. | Fernando Luna | 6-3 6-2 |
| Gianni Ocleppo | m. | Manuel Orantes | 6-4 6-3 |
| Buster C Mottram | m. | Heinz Gunthardt | 6-2 6-0 |
| Gilles Moretton | m. | Shlomo Glickstein | 6-3 5-7 6-4 |
| Sammy Giammalva Jr | m. | Christophe Casa | 6-3 2-6 6-4 |
| Ricardo Cano | m. | Pavel Slozil | 7-6 6-0 |
| Tomas Smid | m. | Thierry Tulasne | 3-6 7-6 6-2 |
| Balazs Taroczy | m. | Kjell Johansson | 6-1 6-0 |
| Yannick Noah | m. | Mario Martinez | 6-2 6-2 |
| Jose Higueras | m. | Jose Luis Clerc | 7-6 6-1 |
| Guillermo Vilas | m. | Ilie Nastase | 6-0 6-0 |
| Jimmy Connors | m. | Corrado Barazzutti | 6-4 7-6 |
| Victor Pecci | m. | Bjorn Borg | 6-0 4-6 7-5 |