Harold James Plaskett vs Marek Hawelko
EU-ch U20 7879 Groningen NED round 12 1979.01.04
Modern Defense 1-0

Marek Hawelko vs Haydn J Barber
Thessaloniki Olympiad Thessaloniki GRE round 5 1988.11.18
Sicilian Defense: Boleslavsky Variation 1-0

Marek Hawelko vs Yochanan Afek
Berlin 1990.??.??
Sicilian Defense: Dragon Variation, Yugoslav Attack 0-1