Playing in the Wimbledon ladies' invitation doubles on Friday, Kim Clijsters, Rennae Stubbs, Conchita Martinez and Andrea Jaeger had a lot of fun. They invited a man from the crowd to sub in, but the problem was, he wasn't following the formal all-white Wimbledon dress code.

Clijsters knew just what to do:

The new skirt wasn't enough though:

The dress code hasn't been all fun and games for the All England Club as umpires have asked both pros and juniors to change for wearing non-white undergarments. 

Follow Nina on Twitter: @ninapantic1


—GRAND SLAM WEEK: Watch Wimbledon Primetime on Tennis Channel, and catch up on the other 2017 Grand Slams on Tennis Channel Plus
—Watch encores from the 2017 French Open and Australian Open on Tennis Channel Plus, including matches like the AO Final showdown between Serena & Venus Williams