By Madison Williams The 23-time Grand Slam champion is using the tape to help her sinus issues while playing on the grass court. Serena Williams returned to Wimbledon’s Centre Court on Tuesday to face Harmony Tan in her first round match. The 23-time Grand Slam champion sported her Wimbledon white outfit, but fans noticed something different about her appearance. Williams wore black tape on her right cheek. The black tape is actually called Kinesio tape, according to The Times, which is often used by athletes to help with muscle pain. However, Williams is using the tape on her face to help wit…