In 1932, at the third try, the squad headed by the German internationals Rudolf Gramlich, Hugo Mantel, Franz Schütz and Hans Stubb succeeded against Allenstein, Tennis Borussia Berlin and FC Schalke 04 and subsequently reached the final match.
Bayern's internationals – Ludwig Goldbrunner, Sigmund Haringer, Konrad Heidkamp and Oskar Rohr – turned the table of the Southern Germany's final fixture and won 2–0 the German championship.
After a break from 1933 until 1935 – Oßwald assisted Reichstrainer Otto Nerz at the 1934 FIFA World Cup in Italy, and managed FSV Mainz 05 and the Gauauswahl Südwest (South Western XI).
In the 1937–38 season Eintracht won the championship of the Gauliga Südwest and let Borussia Neunkirchen, Wormatia Worms and Kickers Offenbach behind.
In the group matches of the final round to the German championship the Eagles did not advance due to the worse goal difference.
After the season Paul Oßwald was appointed to the head of the municipal office for sports Frankenthal and had to abandon his at occupation at Frankfurt.
In the final group matches in 1955 and 1957 Kickers failed advance against the respective later champions Rot-Weiss Essen and Borussia Dortmund.
1968–69 managed OFC in the Bundesliga for another season but could not avoid Offenbach's relegation and resigned due for health reason on 16 November 1969.
In the first season of the Bundesliga Paul Oßwald managed Eintracht but later two heart attacks led to his resignation on 17 April 1964.
Paul Oßwald was co-founder and the first chairman (1957–63) of the Association of German Football Teachers (Bund Deutscher Fußball-Lehrer).
In 1967 German Football Association established a contact point for managers and player to be placed in a club to prevent illegal agents.