Stefan Witkowski vs Vlastimil Hort
Rubinstein Memorial 2nd Polanica-Zdroj POL round 13 1964.08.??
Sicilian Defense: Taimanov Variation 1/2-1/2

Andrzej Adamski vs Stefan Witkowski
Polish Championship Katowice POL round 3 1961.02.??
Sicilian Defense: Alapin Variation 1/2-1/2

Bogdan Sliwa vs Stefan Witkowski
POL-ch playoff m Poland 1954.??.??
Grünfeld Defense: Exchange Variation, Classical Variation 1/2-1/2