Port Elizabeth 1968
Marty Riessen won the title, beating Thomaz Koch 6–4 6–4 8–6 in the final.
Matches by round
18 finishedFinal
1 finishedFin
Semifinals
2 finishedFin
Fin
Quarterfinals
4 finishedFin
Fin
Fin
Fin
Round of 16
8 finishedFin
Fin
Fin
Fin
Fin
Fin
Fin
Fin
Round of 32
3 finishedFin
Fin
Fin