Russian Veronika Kudermetova, the second seed, advanced to the quarter-finals of the Monastir Open by beating Pole Magdalena Frech 6-3, 6-4 at the Monastir Tennis Club on Thursday.
Kudermetova, ranked No 12, will play Frenchwoman Diane Parry next.
The Russian won against Varvara Gracheva (6-1, 6-0) ahead of her victory.
In the previous round of the Jasmin Open Tunisia, Frech, ranked No 120, won against French wildcard Yasmine Mansouri (6-3, 6-2).
Monastir WTA 250, other second-round results:
- Ons Jabeur vs. Evgeniya Rodina
- Petra Martic vs. Moyuka Uchijima
- Tamara Zidansek beat Anastasia Potapova (6): 6-3, 3-6, 6-2
- Elise Mertens (5) beat Despina Papamichail (Q): 5-7, 6-1, 6-2
- Alize Cornet (3) beat Harriet Dart: 6-3, 6-4
- Diane Parry beat Lucrezia Stefanini (Q): 6-3, 1-0 ret.
- Claire Liu beat Katerina Siniakova (7): 7-5, 6-2