[4] At the 2020 Summer Olympics in Tokyo, Japan, and postponed to 2021 due to the COVID-19 pandemic, 19-year-old Ramadan set an Egyptian record in the prelims heats of the 100 metre butterfly with a time of 51.67 seconds, which qualified him for the semifinals tied in rank for fourteenth overall in the prelims heats with Szebasztián Szabó of Hungary.

[13] In the same prelims session, Ramadan set a new Egyptian record in the 100 metre freestyle with a time of 46.98 seconds, which ranked him eighth overall and qualified him for the semifinals later in the day.

[17] On the morning of the sixth and final day, Ramadan split a 50.89 for the butterfly leg of the 4×100 metre medley relay in the prelims, contributing to an African record time of 3:30.83 and a twelfth-place ranking across all heats.

Ramadan swam butterfly, starting from a push-start and performing flip turns on each wall to achieve a time of 28.4 seconds.

[23] Earlier in the same finals session, he led off the 4×50 yard freestyle relay in 18.80 seconds to help achieve a fourth-place finish in the event in 1:16.29.

[25] Later in the day, Ramadan anchored the 4×50 yard medley relay in the final with an 18.53 to help achieve a second-place finish in 1:22.82.

[44] For the 100 metre butterfly, he swam a time of 52.42 seconds in the preliminaries, ranking two spots ahead of Kyle Chalmers of Australia and placing 20th.

[45] For his first-ever FINA Swimming World Cup stop, held in November at the Indiana University Natatorium in Indianapolis, United States as part of the 2022 FINA Swimming World Cup, Ramadan ranked ninth in the preliminary heats of the 100 metre butterfly with a time of 50.93 seconds, achieving first-reserve status for the final.

[47] For the evening session, his first-reserve status for the final of the 100 metre butterfly was called upon after final-qualifier Luca Urlando withdrew from further competition.

[51] On day three of three, Ramadan swam an Egyptian record and personal best time of 22.70 seconds in the preliminary heats of the 50 metre butterfly and qualified for the final ranking fourth.

[53] At the 2022 World Short Course Championships, contested in December in Melbourne, Australia, Ramadan qualified for the semifinals of the 50 metre butterfly ranking fifteenth with an Egyptian record and personal best time of 22.50 seconds in the preliminaries.

[55] For the preliminaries session the following morning, he set a new Egyptian record in the 100 metre freestyle with a personal best time of 46.51 seconds and advanced to the semifinals ranked eighth.

[61] Splitting a 19.87 for the butterfly leg of the 4×50 yard medley relay at the 2023 Atlantic Coast Conference Championships in mid-February, Ramadan helped place sixth with a time of 1:24.36.

[62][63] The evening session of the second day, he led-off the 4×50 yard freestyle relay with a 19.00 to contribute to a final placing of fourth in a time of 1:16.15.

[65][69] His split time set a new Virginia Tech swim program record in the 100 yard backstroke, and the 3:03.40 ranked as the second-fastest for the school.

[69] On the final night of competition, Ramadan won the conference title in the 100 yard freestyle with a personal best time of 41.33 seconds.

[76][78][79] Later in the session, he swam a 43.62 for the butterfly leg of the 4×100 yard medley relay, contributing to a new men's Virginia Tech Hokies record time of 3:02.53 that took seventh-place overall.