Before play kicks off, lets get to know a little bit more about Wednesday's competitiors.
- American Denis Kudla will be bidding to be the first qualifier to reach the US Clay quarterfinals since Robby Ginepri in 2013 when he faces 2007 US Clay champion Ivo Karlovic.
- The night session will feature a battle of junior Grand Slam winners. Bjorn Fratangelo won the 2011 French Open junior title while Nick Kyrgios was the 2013 Australian Open junior champion. They are two of five former junior champions in the field, joining Taylor Fritz (2015 US Open), Jack Sock (2010 US Open) and Donald Young (2007 Wimbledon, 2005 Australian Open).
- There is lots of doubles action on Wednesday's schedule, including the US Clay defending champions (Julio Peralta and Horacio Zeballos), the 2017 runner-ups (Dustin Brown and Frances Tiafoe) and the tournament's six-time champions (Bob & Mike Bryan).