Viktor Korchnoi vs Martin Ballmann
SUI-chT Switzerland round 4 2007.06.03
Catalan Opening: Closed 1-0

Uwe Rauch vs Martin Ballmann
Baden VLS 0203 Baden round 5 2003.01.12
Sicilian Defense: Classical Variation 1/2-1/2

Garry Kasparov vs Martin Ballmann
Simul Basel SUI 1988.??.??
Catalan Opening: Closed 1/2-1/2