Aisam-ul-Haq Qureshi (born March 17, 1980, in Lahore) is a professional tennis player from Pakistan. He is the Pakistani Number 1. His highest Singles Race ranking is 103rd and is the former Asian number 3.
Aisam had a successful career in Junior tennis, finishing No. 7 in the world in 1998, which made him Pakistan's highest-ranked player ever on the international youth tennis arena and turned pro in 1998.
He excels at grass courts, and his playing style is serve-and-volley.
Aisam teamed with Israeli player Amir Hadad during Wimbledon and the US Open tournaments in 2002. Together, they were eliminated at the 3rd round of Wimbledon, and then in the Second round at the US Open. They both won the Arthur Ashe Humanitarian of the Year award for playing together despite pressure from their communities.
As Pakistan number one, he has led Pakistan's Davis Cup campaign. After shocking New Zealand in the Asia/Oceania Zone Group I second round play-off in 2004 to survive relegation, he took them to the World Group Play-Offs for the first time in 2005, before they were beaten by Chile. He has won the most Davis Cup matches for Pakistan, being the most successful singles and doubles player ever. He also has the best doubles pairing for Pakistan with Aqeel Khan.