Davis Cup 2017 Semifinal: France vs. Serbia All Matches on Clay in France Predicted Winners in BOLD #FRA look to @tsonga7 to seal victory after Mahut/Herbert put them 2-1 up in Lille SF vs #SRB Read more > https://t.co/xIyLe2MDKT pic.twitter.com/dBma2NXtTB — Live Tennis (@livetennis) September 16, 2017   Jo-Wilfried Tsonga (FRA) vs. Dusan Lajovic (SRB)…