Complex sentence: Novotná enjoyed an excellent start to the 1991 season at the Australian Open, where she beat Zina Garrison-Jackson 7--6,6--4 in the round of 16 to advance on.
Split into simpler sentences: Novotná enjoyed an excellent start to the 1991 season at the Australian Open. Novotná beat Zina Garrison-Jackson 7--6,6--4 in the round of 16 to advance on.