Answer: openera

AnswerCrossword Clue
OPENERA

Part of modern tennis history

OPENERA

Tennis period since 1968

OPENERA

Present-day tennis

OPENERA
It began in 1968, for tennis
OPENERA
1968 to the present, in tennis
OPENERAPost-1968 tennis
OPENERATennis world since 1968
OPENERAPost-1968 tennis period
OPENERAProfessional tennis since 1968
OPENERATennis since 1968