Tunisian tennis player Ons Jabeur (world's 6th) was defeated by world's 2nd Belarusian Aryna Sabalenka in a three-set match (6-4, 3-6, 2-6) at the Riyadh Season Tennis Cup on Tuesday. Tunisia's tennis trailblazer Jabeur was playing in a pre-season exhibition match. Source: Agence Tunis Afrique Presse