Summary

  • Jo-Wilfried Tsonga beats Kei Nishikori in five sets

  • Frenchman to face Stan Wawrinka in last four

  • Play was suspended when scoreboard panel fell down

  • Wawrinka beat Roger Federer 6-4 6-3 7-6 (7-4)

  • Ana Ivanovic and Lucie Safarova into women's semis

  1. Postpublished at 15:05 British Summer Time 2 June 2015

    SwitzerlandImage source, Getty Images

    Switzerland is well-known for being a 'neutral' country. The landlocked Central European nation has long maintained its stance of neutrality, refusing to become involved in conflict as a means of protecting its national security from outside interference.

    It is the oldest neutral country in the world, having not fought a foreign war since 1815. Which means the good Swiss folk know all about having to stay centrally positioned in the middle of a heated battle.

    Ideal for a nation which has two of the world's best tennis stars scrapping for a place in the French Open semi-finals...