In the summer of 1920, he won the singles title at the
Leamington Open Tournament, that included all students in the university, he defeated
Sir John Cecil F. Masterman in the final, and was awarded the Doherty Cup for his endeavours, the same year he was a quarter finalist at the
Midland Counties Championships at
Edgbaston. He won a 'half blue' that year, representing Cambridge in the doubles, and earned a blue in 1921. On a tour of Holland, he won the singles and the doubles partnering
S. M. Hadi – another future first class cricketer. During the summer of 1921 he won the Hornsey Grass Courts tournament against the Malayan player David Henry Kleinman, he was also a losing finalist at the
Warwickshire Championships, and the
Sussex Championships. In 1922, Ramaswami represented India in the
Davis Cup with Dr. A. H. Fyzee and
A. A. Fayzee. India defeated Romania in the first round at
Bristol but lost to Spain in
Beckenham. Ramaswami played only in the doubles partnering Dr. Fayzee and won both his matches. The Spanish pair of Comte de Gomar and Flaquer, whom they beat in five sets, went on to play the doubles finals at
Wimbledon in 1923. In 1922, Ramaswami took part in
Wimbledon Championships, reaching the second round, the same year he won the Reigate LTC Tournament at
Reigate against Charles G. Howard. In 1923 he won the singles title at the
South of England Championships defeating
Gordon Lowe in the final in three sets, the same year he was a losing finalist
North London Hard Courts Championships (autumn meeting) at
Hendon on clay. In February 1925 he won the
Southern India Championships held at
Madras against George H. Perkins. ==Work career==