He holds the all-time wins record for singles and doubles combined in college tennis at the University of Iowa.

However, the Syrian Tennis Federation banned him because he competed in a match against an Israeli opponent in a tournament in Arkansas in 2022.

[2] He won one ITF Junior title in singles competition,[3] Allaf graduated from the University of Iowa in 2020 with a degree in Enterprise Leadership and a minor in Communications, before earning a masters in 2022 in Sports and Recreational Management.

[4] In 2018, Allaf became the third player in program history to win the Intercollegiate Tennis Association (ITA) Central Regional Singles Championship in Tulsa, Oklahoma.

[4][7] In 2019, he qualified for the ITA Main Draw, and became only the second player from the university to accomplish the feat.

[11][12] Allaf said: "I respect everyone equally ... Hopefully this doesn't happen again to other athletes from Arab countries ..

"[12] As a result of the Syrian federation's ban, Allaf switched nationalities to represent his birth country, the United States.