Tunis: Tunisian Ons Jabeur (world No.9) will take on on Tuesday US Madison Keys (world No.20) in the quarterfinals of the Mutua Madrid Open. Jabeur qualified for quarterfinals after defeating on Monday Latvia's Jelena Ostapenko (world No. 10) in two sets (6-0, 6-4). Source: Agence Tunis Afrique Presse