| CIB Black Ball Open | 12/15 12:15 | 8 | Mostafa Asal v Paul Coll | 3-2 | |
| CIB Black Ball Open | 12/13 15:30 | 7 | Mostafa Asal v Mahesh Mangaonkar | 3-2 | |
| Egypt Open | 10/16 16:45 | 2 | Ali Farag v Mostafa Asal | 3-1 | |
| Egypt Open | 10/14 16:45 | 3 | Mostafa Asal v Paul Coll | 3-2 | |
| Egypt Open | 10/12 11:30 | 9 | Mostafa Asal v James Willstrop | 3-0 | |
| Egypt Open | 10/11 09:45 | 8 | Simon Rosner v Mostafa Asal | 0-3 | |
| Egypt Open | 10/10 12:15 | 7 | Bernat Jaume v Mostafa Asal | 0-3 | |
| Windy City Open | 02/27 20:30 | 7 | Youssef Soliman v Mostafa Asal | 3-2 | |
| Tournament of Champions | 01/14 22:45 | 3 | Mostafa Asal v Tarek Momen | 0-3 | |
| Tournament of Champions | 01/12 22:00 | 9 | Mostafa Asal v Gregory Gaultier | 3-2 | |
| Tournament of Champions | 01/10 19:45 | 8 | Mohamed Abouelghar v Mostafa Asal | 1-3 | |
| Tournament of Champions | 01/09 21:00 | 7 | Ramit Tandon v Mostafa Asal | 0-3 | |
| PSA World Championships | 11/10 10:00 | 8 | Zahed Salem v Mostafa Asal | 3-1 | |
| PSA World Championships | 11/08 13:00 | 7 | Campbell Grayson v Mostafa Asal | 0-3 | |
| Egypt Open | 10/28 10:45 | 9 | Marwan ElShorbagy v Mostafa Asal | 3-2 | |
| Egypt Open | 10/26 11:30 | 8 | Mostafa Asal v Diego Elias | 3-2 | |
| Egypt Open | 10/25 12:15 | 7 | Mostafa Asal v Alan Clyne | 3-1 | |
| US Open | 10/06 16:45 | 8 | Mostafa Asal v Karim Abdel Gawad | 0-3 | |
| US Open | 10/05 16:45 | 7 | Mostafa Asal v Ramit Tandon | 3-0 | |
| Netsuite Open | 09/26 23:45 | 8 | Joel Makin v Mostafa Asal | 2-0 | |
| Netsuite Open | 09/26 01:15 | 7 | Mohamed El Sherbini v Mostafa Asal | 0-2 | |
| China Open | 09/05 08:00 | 8 | Mostafa Asal v Tom Richards | 0-3 | |
| China Open | 09/04 05:00 | 7 | Mostafa Asal v Zhitao Zhou | 3-0 | |
| British Open | 05/21 11:45 | 8 | Ali Farag v Mostafa Asal | 3-1 | |
| British Open | 05/20 11:45 | 7 | Mostafa Asal v Abdulla Mohd Al Tamimi | 3-1 | |
| Wimbledon Open | 05/15 19:00 | 2 | Marwan ElShorbagy v Mostafa Asal | 3-0 | |
| Wimbledon Open | 05/14 19:45 | 3 | Mahesh Mangaonkar v Mostafa Asal | 0-3 | |
| Wimbledon Open | 05/12 13:00 | 8 | Mostafa Asal v Tom Richards | 3-0 | |
| Wimbledon Open | 05/11 16:00 | 7 | Mostafa Asal v Jordan Warne | 3-0 | |
| El Gouna International | 04/19 10:45 | 8 | Mostafa Asal v Joel Makin | 1-3 |
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.