Answer: openera

AnswerCrossword Clue
OPENERAPart of modern tennis history
OPENERATennis period since 1968
OPENERAPresent-day tennis
OPENERAIt began in 1968, for tennis
OPENERA1968 to the present, in tennis
OPENERAPost-1968 tennis
OPENERATennis world since 1968
OPENERAPost-1968 tennis period
OPENERAProfessional tennis since 1968
OPENERATennis since 1968