Just as top fashion designers outfit Hollywood stars for the red carpet, sports apparel companies use tennis players to showcase their products on grass, clay and hard surfaces.
What makes an outfit a hit? It takes a combination of design and player personality. Two people can wear the same outfit, as Madison Keys and Eugenie Bouchard did at the U.S. Open, and look completely different.
What makes an outfit a miss? You know it when you see it. It just doesn't work.
The big names, such as Serena Williams, Maria Sharapova and Roger Federer, gain the most attention. Federer's orange-soled shoes received more media coverage at Wimbledon than Sergiy Stakhovsky, the dude who upset him in the second round.
Although the superstars land the big clothing contracts, sometimes lesser known players, like Camila Giorgi, surprise with stunning attire. Then there are perennial disasters like Bethanie Mattek-Sands, the poster girl for bad taste.
In 2013 many players played it safe, wearing suitable, yet forgettable clothing. Those who took risks were either a hit or a miss. Here are the biggest hits and misses of 2013.