He played at first board for Czechoslovakia at 3rd unofficial Chess Olympiad in Munich in 1936 (+7 –1 =11), at second board at the 7th Chess Olympiad in Stockholm in 1937 (+7 –2 =9), and at second board at the 8th Chess Olympiad in Buenos Aires in 1939 (+8 –3 =5). Altogether in these three events, in 53 games, he scored (+22 -6 =25), for 65.1 per cent.