| British Open | 03/29 13:45 | 8 | Mostafa Asal v Fares Dessouky | 3-2 | |
| Canary Wharf Classic | 03/18 19:30 | 1 | Fares Dessouki v Mostafa Asal | 3-0 | |
| Canary Wharf Classic | 03/17 18:30 | 2 | Diego Elias v Mostafa Asal | 2-3 | |
| Canary Wharf Classic | 03/16 20:15 | 3 | Joel Makin v Mostafa Asal | 1-2 | |
| Canary Wharf Classic | 03/15 20:00 | 8 | Nathan Lake v Mostafa Asal | 0-2 | |
| Χιούστον Όπεν | 01/08 21:00 | 2 | Ali Farag v Mostafa Asal | 3-2 | |
| Χιούστον Όπεν | 01/08 00:00 | 3 | Miguel Rodriguez v Mostafa Asal | 0-3 | |
| Χιούστον Όπεν | 01/06 02:00 | 8 | Dimitri Steinmann v Mostafa Asal | 0-3 | |
| CIB Μπλακ Μπολ Όπεν | 12/19 18:00 | 2 | Ali Farag v Mostafa Asal | 3-2 | |
| CIB Μπλακ Μπολ Όπεν | 12/18 15:30 | 3 | Karim Abdel Gawad v Mostafa Asal | 0-3 | |
| CIB Μπλακ Μπολ Όπεν | 12/17 10:45 | 8 | Youssef Soliman v Mostafa Asal | 2-3 | |
| Canary Wharf Classic | 11/17 18:00 | 3 | Mostafa Asal v Tarek Momen | 0-2 | |
| Canary Wharf Classic | 11/15 18:00 | 8 | Mostafa Asal v Adrian Waller | 2-0 | |
| Κατάρ Classic | 10/22 13:00 | 2 | Mostafa Asal v Paul Coll | 0-3 | |
| Κατάρ Classic | 10/21 14:15 | 3 | Tarek Momen v Mostafa Asal | 2-3 | |
| Κατάρ Classic | 10/20 12:45 | 9 | Youssef Soliman v Mostafa Asal | Retired | |
| Κατάρ Classic | 10/18 10:30 | 8 | Saurav Ghosal v Mostafa Asal | 1-3 | |
| ΗΠΑ Όπεν | 10/07 00:00 | 1 | Tarek Momen v Mostafa Asal | 2-3 | |
| ΗΠΑ Όπεν | 10/05 22:45 | 2 | Mostafa Asal v Diego Elias | 3-2 | |
| ΗΠΑ Όπεν | 10/04 21:30 | 3 | Paul Coll v Mostafa Asal | 1-3 | |
| ΗΠΑ Όπεν | 10/03 21:00 | 9 | Mostafa Asal v Baptiste Masotti | 3-2 | |
| ΗΠΑ Όπεν | 10/03 00:30 | 8 | Iker Pajares Bernabeu v Mostafa Asal | 0-3 | |
| Νετσούιτε Όπεν | 09/27 03:15 | 2 | Mostafa Asal v Ali Farag | 1-2 | |
| Νετσούιτε Όπεν | 09/26 01:45 | 3 | Tarek Momen v Mostafa Asal | 0-2 | |
| Νετσούιτε Όπεν | 09/24 20:00 | 7 | Mazen Hesham v Mostafa Asal | 0-2 | |
| Όπεν Αιγύπτου | 09/11 12:30 | 8 | Eain Yow Ng v Mostafa Asal | 3-0 | |
| British Open | 08/20 14:00 | 3 | Ali Farag v Mostafa Asal | 3-2 | |
| British Open | 08/18 16:45 | 9 | Omar Mosaad v Mostafa Asal | 0-3 | |
| British Open | 08/17 16:45 | 8 | George Parker v Mostafa Asal | 0-3 | |
| Τελικοί Παγκόσμιου Tour | 06/27 17:30 | 1 | Mostafa Asal v Mohamed ElShorbagy | 3-1 |
Mostafa Asal (born 9 May 2001) is an Egyptian professional squash player, former number one player, nicknamed "The Raging Bull" for his play style and controversial on-court behavior, which includes three suspensions from the Professional Squash Association tour. In January 2023, he reached a ranking of number one in the world and is currently ranked fourth.
Mostafa Asal won the British Junior U17 Open 2018, the PSA10 2018 Mar del Plata Open, PSA10 2018 Regatas Resistencia Open, the 2021 Men's PSA World Tour Finals, and the 2021 U.S. Open Squash Men's Championship.
In January 2021, Asal has accepted a two-month suspension from the PSA, following on-court disciplinary matters.
Asal reached the semi-final of the 2022 PSA Men's World Squash Championship, where he lost to eventual winner Ali Farag.
In the 2022 U.S. Open Asal lost a match through inflicting an injury on Lucas Serme his opponent by hitting him with a shot up the middle of the court striking Serme in the head resulting in a concussion and perforated eardum.
In the CIB Egyptian Open in September 2022 where Asal lost to Ali Farag in the semi-finals, Asal's father Mahmoud Asal was suspended after the lost until November 2023 for a courtside confrontation of Husseum Abaza, CEO of CIB Bank and a major squash benefactor.
In January 2023 at the Houston Open Asal's elbow connected with the groin area of appeared to connect with Marwan El Shorbagy groin area with him being taken off on a stretcher and then to the hospital with El Shorbagy commenting, "If this is the future of our sport then good luck."
In March 2023, Asal was suspended for 6 weeks by the PSA due to violation of the code of conduct. Asal also received a fine of £2,000.
However, he returned as the number 1 seed for the 2023 PSA Men's World Squash Championship and reached the semi final before being knocked out by Ali Farag.
In August 2023 Asal received a 12-week suspension from the PSA tour for abuse of racket or equipment, physical abuse, and dangerous play for his match against Joel Makin in the 2023 world championships and unsportsmanlike conduct in the same event's match with Mazen Hesham. The suspension start date was post-dated to July 18, 2023, and Asal did not appeal the suspension. Mahmoud Asal's Mostafa's father released a statement that the suspension was due to a conspiracy by Karim Darwish and an attempt to destroy the future of Asal and prevent him from reaching the top position again.
The Guardian named Asal as one of The Anti-Sports Personality of the Year awards 2023. He spent 18 weeks of the 2023 year suspended from play.