Kunming Municipal Fitness Center, Huancheng Xi Lu (100m north of Renmin Zhong Lu),
Kunming
Phone: (0871) 5375388
Newly built indoor and outdoor courts open from 8am to 11pm, prices range from 40-100 yuan/hour depending on time of day
Reviews
Tuesday and Thursday mornings are open tennis so you can join as a single player. My understanding is the price is 40 yuan/hr indoors, 20 yuan/hr outdoors 100 yuan/hr with 'coach'.