18. Piet Roozenburg - Reinier Cornelis Keller. WK-match 1951.
Marcel Bonnard (FRA) - Piet Roozenburg (NLD). Draughts World Championship. 1952.
Piet Roozenburg-Wim de Jong 2-0.Draughts
Piet Roozenburg 25 victories ( Wch 1948-1954 )
13 problem combinations of Piet Roozenburg
Geert van Dijk (NLD) - Piet Roozenburg (NLD). Draughts World Championship. 1952.
Piet Roozenburg (NLD) - Li Tchoan King (FRA). Draughts World Championship. 1952.
Wim Roozenburg (NLD) - Piet Roozenburg (NLD). Draughts World Championship. 1952.
15. Reinier Cornelis Keller - Piet Roozenburg. WK-match 1951.
Pierre Perot - Piet Roozenburg. World Championship in International Draughts- 1948.
Piet Roozenburg (NLD) - Reinier Cornelis Keller (NLD). Draughts World Championship. 1952.
1. Reinier Cornelis Keller - Piet Roozenburg. WK-match 1951.
Henri Chiland - Piet Roozenburg. World Championship in International Draughts- 1948.
8. Piet Roozenburg - Reinier Cornelis Keller. WK-match 1951.
16. Piet Roozenburg - Reinier Cornelis Keller. WK-match 1951.
7. Reinier Cornelis Keller - Piet Roozenburg. WK-match 1951.
9. Reinier Cornelis Keller - Piet Roozenburg. WK-match 1951.
6. Piet Roozenburg - Reinier Cornelis Keller. WK-match 1951.
Piet Roozenburg (NED) - Geert van Dijk (NED). World Championship in International Draughts. 1956.
Piet Roozenburg - Georges Frédéric Post. World Championship in International Draughts- 1948.
