App revised and although the author did not state that this version fixed the missing buttons in iOS 9, the app now shows the buttons and is functional again. I am ecstatic since this is the only program (regardless of platform) that I have ever found that has the flexibility to handle my group's table tennis round robin needs (round robin doubles without fixed partners, ensuring that every person plays with every other person, and allows for the addition of a player that arrives late or removes a person that gets injured part-way through the evening). The flexibility of this program allows it to handle almost any round robin scenario.
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