'Learn how to lose' - tempers flare in Wimbledon mixed doubles This content is not available in your location. There was an error Jelena Ostapenko and Marcelo Arevalo advance to the Wimbledon mixed doubles semi-finals in straight sets, but the victory is marred by a fiery post-match argument. A late time violation penalty left Laura Siegemund storming off the court upset, triggering a dispute between her partner Edouard Roger-Vasselin and Ostapenko over claims of persistent slow play.

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