Maria Sharapova is forced to fight for victory
Maria Sharapova showed her fighting spirit as she came back from a set down to beat Kirsten Flipkens to reach the quarter-finals of the Miami Open
The four-times Grand Slam winner had never dropped a set to her Belgian opponent in four previous meetings, but lost the first 6-3, partly down to serving five double faults.
Sharapova turned the match around, edging a tight second set 6-4 before cruising to victory in the final set, which she won 6-1.
The Russian, who has been runner up in Miami five times, will now face either Petra Kvitova or Ana Ivanovic in the last eight.
Fifth seed Angelique Kerber could now face Serena Williams in the quarter-finals after she also needed three sets to beat Russia's Ekaterina Makarova.
Kerber looked to be on here way to a comfortable victory when she took the first set 6-4, but Makarova took the second 6-1.
She wasn't able to take control of the match though and went out after losing the third set 6-3
World number one Williams, who is the top-seeded as well as the defending champion, faces US qualifier Coco Vandeweghe in the fourth round.