# Men's United States Open (squash) 2021

The Men's United States Squash Open 2021 was the men's edition of the 2021 United States Open (squash), which was a 2021–22 PSA World Tour Platinum event (prize money: $150,000). The event took place at the Arlen Specter US Squash Center in Philadelphia, Pennsylvania in the United States from the 1st of October to the 6th of October.
Mostafa Asal of Egypt won his first PSA World Tour Platinum event title by beating fellow countryman Tarek Momen in the final, winning in five games with a score of 5–11, 5–11, 11–9, 12–10, 11–3.

## Seeds

* Ali Farag (quarter-finals)
* Mohamed ElShorbagy (quarter-finals)
* Paul Coll (quarter-finals)
* Tarek Momen (runner-up)
* Marwan El Shorbagy (second round)
* Karim Abdel Gawad (second round)
* Diego Elías (semi-finals)
* Mostafa Asal (champion)

## Draw and results
### Semi-finals and final

| Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Final | Final | Final | Final | Final | Final | Final |
| | Joel Makin | 9 | 11 | 8 | 11 | 8 | | | | | | | |
| 4 | Tarek Momen | 11 | 5 | 11 | 7 | 11 | | | | | | | |
| 4 | Tarek Momen | 11 | 5 | 11 | 7 | 11 | 4 | Tarek Momen | 11 | 11 | 9 | 10 | 3 |
| | | | | | | | 8 | Mostafa Asal | 5 | 5 | 11 | 12 | 11 |
| 8 | Mostafa Asal | 11 | 11 | 3 | 2 | 12 | 8 | Mostafa Asal | 5 | 5 | 11 | 12 | 11 |
| 7 | Diego Elías | 7 | 8 | 11 | 11 | 10 | | | | | | | |

### Main draw
#### Top half

| First round | First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals |
| 1 | Ali Farag | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | 1 | Ali Farag | 11 | 11 | 11 | | | | | | | | | | | | | | | | |
| | Saurav Ghosal | | | | | | | Saurav Ghosal | 5 | 5 | 5 | | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | 1 | Ali Farag | 11 | 11 | 10 | 11 | | | | | | | | |
| | Mazen Hesham | | | | | | | | | | | | | | Mazen Hesham | 5 | 3 | 12 | 7 | | | | | | | | |
| | [Bye] | | | | | | | Mazen Hesham | 8 | 11 | 11 | 11 | | | | | | | | | | | | | | | |
| | Grégoire Marche | | | | | | | Grégoire Marche | 11 | 6 | 8 | 5 | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | 1 | Ali Farag | 5 | 7 | 14 | | |
| | Omar Mosaad | | | | | | | | | | | | | | | | | | | | | Joel Makin | 11 | 11 | 16 | | |
| | [Bye] | | | | | | | Omar Mosaad | 11 | 3 | 9 | 9 | | | | | | | | | | | | | | | |
| | Sébastien Bonmalais | 5 | 11 | 11 | | | | Sébastien Bonmalais | 8 | 11 | 11 | 11 | | | | | | | | | | | | | | | |
| | Arturo Salazar | 11 | 7 | 2$^r$ | | | | | | | | | | | Sébastien Bonmalais | 6 | 11 | 5 | 9 | | | | | | | | |
| | Joel Makin | | | | | | | | | | | | | | Joel Makin | 11 | 6 | 11 | 11 | | | | | | | | |
| | [Bye] | | | | | | | Joel Makin | 13 | 14 | 11 | | | | | | | | | | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 6 | Karim Abdel Gawad | | | | | | 6 | Karim Abdel Gawad | 11 | 12 | 8 | | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | | Joel Makin | 9 | 11 | 8 | 11 | 8 |
| 5 | Marwan El Shorbagy | | | | | | | | | | | | | | | | | | | | 4 | Tarek Momen | 11 | 5 | 11 | 7 | 11 |
| | [Bye] | | | | | | 5 | Marwan El Shorbagy | 11 | 5 | 4 | 8 | | | | | | | | | | | | | | | |
| | Tsz Fung Yip | 8 | 7 | 7 | | | | James Willstrop | 9 | 11 | 11 | 11 | | | | | | | | | | | | | | | |
| | James Willstrop | 11 | 11 | 11 | | | | | | | | | | | James Willstrop | 11 | 7 | 9 | 11 | 11 | | | | | | | |
| | Nicolas Müller | 11 | 4 | 11 | 11 | | | | | | | | | | Mohamed Abouelghar | 9 | 11 | 11 | 4 | 3 | | | | | | | |
| | Faraz Khan | 8 | 11 | 4 | 9 | | | Nicolas Müller | 4 | 11 | 3 | 5 | | | | | | | | | | | | | | | |
| | Mohamed Abouelghar | | | | | | | Mohamed Abouelghar | 11 | 7 | 11 | 11 | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | | James Willstrop | 7 | 13 | 6 | 9 | |
| | Patrick Rooney | 11 | 11 | 11 | | | | | | | | | | | | | | | | | 4 | Tarek Momen | 11 | 11 | 11 | 11 | |
| | Bernat Jaume | 5 | 7 | 8 | | | | Patrick Rooney | 7 | 7 | 11 | 11 | 13 | | | | | | | | | | | | | | |
| | Auguste Dussourd | 6 | 11 | 11 | 7 | 11 | | Auguste Dussourd | 11 | 11 | 2 | 5 | 11 | | | | | | | | | | | | | | |
| | Borja Golán | 11 | 5 | 9 | 11 | 5 | | | | | | | | | Patrick Rooney | 11 | 5 | 8 | 7 | | | | | | | | |
| | Lucas Serme | 12 | 9 | 6 | 9 | | | | | | | | | 4 | Tarek Momen | 8 | 11 | 11 | 11 | | | | | | | | |
| | Ramit Tandon | 10 | 11 | 11 | 11 | | | Ramit Tandon | 4 | 8 | 4 | | | | | | | | | | | | | | | | |
| 4 | Tarek Momen | | | | | | 4 | Tarek Momen | 11 | 11 | 11 | | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | | | | | | | |

#### Bottom half

| First round | First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals | Quarter-finals |
| 3 | Paul Coll | | | | | | | | | | | | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | 3 | Paul Coll | 11 | 11 | 11 | | | | | | | | | | | | | | | | |
| | Timothy Brownell | 4 | 11 | 5 | 4 | | | Victor Crouin | 6 | 8 | 5 | | | | | | | | | | | | | | | | |
| | Victor Crouin | 11 | 4 | 11 | 11 | | | | | | | | | 3 | Paul Coll | 11 | 11 | 11 | | | | | | | | | |
| | Alan Clyne | 11 | 11 | 4 | 6 | 9 | | | | | | | | | Karim El Hammamy | 2 | 3 | 3 | | | | | | | | | |
| | Karim El Hammamy | 9 | 7 | 11 | 11 | 11 | | Karim El Hammamy | 4 | 11 | 11 | 11 | | | | | | | | | | | | | | | |
| | Youssef Ibrahim | | | | | | | Youssef Ibrahim | 11 | 6 | 9 | 9 | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | 3 | Paul Coll | 8 | 11 | 5 | 7 | |
| | Greg Lobban | 11 | 7 | 11 | 11 | | | | | | | | | | | | | | | | 8 | Mostafa Asal | 11 | 9 | 11 | 11 | |
| | Dimitri Steinmann | 7 | 11 | 3 | 2 | | | Greg Lobban | 11 | 1 | 8 | 9 | | | | | | | | | | | | | | | |
| | Leonel Cárdenas | 8 | 11 | 4 | 6 | | | Baptiste Masotti | 6 | 11 | 11 | 11 | | | | | | | | | | | | | | | |
| | Baptiste Masotti | 11 | 9 | 11 | 11 | | | | | | | | | | Baptiste Masotti | 12 | 7 | 11 | 7 | 3 | | | | | | | |
| | Iker Pajares Bernabeu | 8 | 11 | 11 | 11 | | | | | | | | | 8 | Mostafa Asal | 10 | 11 | 5 | 11 | 11 | | | | | | | |
| | Nathan Lake | 11 | 5 | 6 | 8 | | | Iker Pajares Bernabeu | 6 | 4 | 12 | | | | | | | | | | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals | Semi-finals |
| 8 | Mostafa Asal | | | | | | 8 | Mostafa Asal | 11 | 11 | 14 | | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | 8 | Mostafa Asal | 11 | 11 | 3 | 2 | 12 |
| 7 | Diego Elías | | | | | | | | | | | | | | | | | | | | 7 | Diego Elías | 7 | 8 | 11 | 11 | 10 |
| | [Bye] | | | | | | 7 | Diego Elías | 11 | 11 | 11 | | | | | | | | | | | | | | | | |
| | Ben Coleman | 9 | 12 | 9 | 8 | | | Adrian Waller | 3 | 5 | 5 | | | | | | | | | | | | | | | | |
| | Adrian Waller | 11 | 10 | 11 | 11 | | | | | | | | | 7 | Diego Elías | 11 | 11 | 10 | 12 | | | | | | | | |
| | Tom Richards | 11 | 8 | 8 | 10 | | | | | | | | | | Raphael Kandra | 2 | 4 | 12 | 10 | | | | | | | | |
| | Vikram Malhotra | 8 | 11 | 11 | 12 | | | Vikram Malhotra | 9 | 11 | 11 | 9 | 5 | | | | | | | | | | | | | | |
| | Todd Harrity | 11 | 3 | 5 | 11 | 4 | | Raphael Kandra | 11 | 5 | 8 | 11 | 11 | | | | | | | | | | | | | | |
| | Raphael Kandra | 4 | 11 | 11 | 7 | 11 | | | | | | | | | | | | | | | 7 | Diego Elías | 5 | 11 | 11 | 11 | |
| | César Salazar | 11 | 4 | 11 | 11 | | | | | | | | | | | | | | | | 2 | Mohamed ElShorbagy | 11 | 8 | 4 | 1 | |
| | Shahjahan Khan | 3 | 11 | 3 | 5 | | | César Salazar | 2 | 10 | 2 | | | | | | | | | | | | | | | | |
| | Mahesh Mangaonkar | 8 | 6 | 4 | | | | Youssef Soliman | 11 | 12 | 11 | | | | | | | | | | | | | | | | |
| | Youssef Soliman | 11 | 11 | 11 | | | | | | | | | | | Youssef Soliman | 8 | 10 | 11 | 6 | | | | | | | | |
| | Eain Yow Ng | | | | | | | | | | | | | 2 | Mohamed ElShorbagy | 11 | 12 | 9 | 11 | | | | | | | | |
| | [Bye] | | | | | | | Eain Yow Ng | 10 | 6 | 11 | 10 | | | | | | | | | | | | | | | |
| 2 | Mohamed ElShorbagy | | | | | | 2 | Mohamed ElShorbagy | 12 | 11 | 5 | 12 | | | | | | | | | | | | | | | |
| | [Bye] | | | | | | | | | | | | | | | | | | | | | | | | | | |