Mansour Bahrami - now 64, from Iran and now living in Paris, Bahrami reached the 2nd round of French Open in 1981 and the doubles final in FO in 1989. Known for his appearances on the Masters exhibition tour and very popular due to his circus skills that wow the crowds
Dustin Brown - now 35, born and lives in Germany but represented Jamaica for a while due to parentage. Reached a high ranking of 64 in October 2016, reached Wimbledon 3R on two occasions, 2013 and 15. Again, known for his entertaining style and personality!
Juan Martin Del Potro - reached a high of #3 in August 2018, the Argentine is now 31 years old. Won the 2009 US Open and has three other slam semis to his name. Was also ru in the Tour Finals in 2009 and a silver medallist in the Olympics in 2016, winning bronze in 2012.
Katy Dunne - 25 from Hemel Hempstead, Katy reached a ranking high of 212 in 2018. She played in the main draw at Wimbledon that year also.
Chris Evert - now 65, born and living in Florida, Evert won 18 Slams, including 3 Wimbledon, and won 4 Tour Finals. She reached #1 in Nov 1975. Again, has a claim to be one of the greats of the game.
Jonny Marray - Now 39, born in Liverpool and living in Sheffield, the highlight of Jonny's career was the 2012 Wimbledon title with Freddie Nielsen. He reached the Tour Finals semis that year also and, with Colin Fleming, the QF of the US Open in 2013.
In terms of H2H results, Del Potro and Brown have played just once, Delpo winning in Munich 2016.