|Tennis Club Story Guide ✍|
Training effect can be improved by using combo. A combo, also known as compatibility, is created by doing training with specific 3 player types combination. Doing so, the training effect for the specified stat will be improved.
There is no specific order for player types when doing combo. As long the required player types are used during training, a combo can be created.
Unlike other Kairosoft games, it's impossible to create a roster of players that can do every single combos. At least 3 players of each types and 2 players of Powerhouse type, for a total of 59 players, is required to do this. But the max number of players is only 50 players.