Photo Credit: Rob Loud. (Genie Bouchard, Maria Sanchez and coach Gigi Fernandez on the New York Empire bench.)

Best Of WTT 2017: Caption This Gallery

In this Best Of WTT 2017 feature, WTT.com has selected its favorite 'Caption This' moments.

The 'Jack Socks' Challenge, featuring Springfield Lasers players Jack Sock, Jean-Julien Rojer, Anna-Lena Groenefeld, Allie Kiick and Benjamin Becker. (Photo: CameraworkUSA)

The New York Empire's John Isner with a group of USTA Net Generation players. (Photo: Rob Loud)

Sloane Stephens (Philadelphia Freedoms) reacts during her WTT interview in Indian Wells, Calif. (Photo: Cynthia Lum)

Orange County Breakers teammates Teymuraz Gabashvili and Ken Skupski.

Washington Kastles superstar Venus Williams and WTT correspondent Nick McCarvel react during an interview. (Photo: CameraworkUSA)

Naomi Broady and Raven Klaasen of the San Diego Aviators. (Photo: CameraworkUSA)

Orange County Breakers duo Andreja Klepac and Maria Sharapova. (Photo: Travis VanDenBerg)

Frances Tiafoe is introduced at a Washington Kastles home match. (Photo: CameraworkUSA)

Springfield Lasers' coach JL de Jager with mixed doubles pair Jean-Julien Rojer and Anna-Lena Groenefeld. (Photo: CameraworkUSA)