Several Resolvable \(BIB\) or \(PBIB\) Doubles Round Robin Tournament Designs

I. Several unbiased tournament schedules for round robin doubles tennis are presented, in a form which can be useful to the urban league tournament director. The unbiased tournament affords less restriction than does the usual spouse-avoiding tournament (see~[{7}]). As gender considerations are not necessary, it is most often the tournament of choice.