Donnie Isaak

Born 1969 Right handed

Head to head

Match log

Qualifying Challengers

1994

Winnetka CH, challenger Hard, July

R32 L Louis Gloria 3-6 2-6

Aptos CH, challenger Hard, July

R32 L Ivan Baron 3-6 6-7

1993

Calgary CH, challenger Hard, October

R16 L Clement Ngoran 2-6 2-6

R32 W Alexander Reichel 7-6 4-6 7-6

Fairfield CH, challenger Hard, September

R32 L Brian Macphie 3-6 4-6

Montebello CH, challenger Hard, July

R32 L Heath Denman 3-6 4-6

1992

Azores CH, challenger Hard, September

R32 L Henrik Holm 3-6 4-6