Emma Raducanu mysteriously broke down in tears as she slipped to a second-round defeat against Karolina Muchova at the Dubai Championships.

Emma Raducanu lost to Karolina Muchova on Tuesday after an emotional first set in which a male spectator -- who according to the WTA "exhibited fixated behavior" in a public space the day prior -- was ejected at the Dubai Championships.

Emma Raducanu broke down in tears during her straight-sets defeat to Karolina Muchova at the Dubai Tennis Championships on Tuesday. The British tennis star ended the worst losing run of her entire career on Sunday with an impressive 6-4 6-2 victory over Greek star Maria Sakkari.