Wittekopff vs S Lurie
4th Baltic Chess Congress- Major sf B Riga RUE round 1 1907.??.??
Ruy Lopez: Closed, Bogoljubov Variation 0-1

Wittekopff vs Arvids Vaits
5th Baltic Chess Congress- Major Libava (Liepaja) RUE 1911.04.??
Four Knights Game: Alatortsev Variation 0-1