Jacobo Bolbochan vs Adrianus Dingeman de Groot
Buenos Aires Olympiad prel-C Buenos Aires ARG round 7 1939.08.30
Grünfeld Defense: Three Knights Variation, Hungarian Attack 1/2-1/2

Willem Koomen vs Adrianus Dingeman de Groot
Hoogovens Beverwijk NED round 4 1946.01.08
Grünfeld Defense: Botvinnik Variation 1-0

Adrianus Dingeman de Groot vs Mirko Broeder
non-FIDE Munich Olympiad Munich GER round 9 1936.08.22
Queen’s Gambit Declined: Ragozin Defense, Vienna Variation 1/2-1/2

Adrianus Dingeman de Groot vs Mirko Broeder
7th olm final Stockholm SWE round 10 1937.08.06
Queen’s Gambit Declined: Orthodox Defense, Classical Variation 1/2-1/2

Erno Gereben vs Adrianus Dingeman de Groot
non-FIDE Munich Olympiad Munich GER round 16 1936.08.28
Queen’s Gambit Declined: Ragozin Defense, Vienna Variation 1/2-1/2

Adrianus Dingeman de Groot vs Johannes Hendrik Otto van den Bosch
NED-ch Amsterdam NED round 5 1938.07.06
Sicilian Defense: Accelerated Dragon, Maróczy Bind, Breyer Variation 1/2-1/2

Hendrik Willem Felderhof vs Adrianus Dingeman de Groot
Amsterdam VVGA Amsterdam NED 1940.??.??
Sicilian Defense: Richter-Rauzer Variation, Classical Variation 0-1