Almaty Open: Shevchenko battles past Karatsev to book spot in last eight

Kazakh Alexander Shevchenko moved into the quarter-finals of the Almaty Open by edging out Russian qualifier Aslan Karatsev 6-1, 6-7 (5), 7-5 at Almaty Arena.

Shevchenko, ranked No 61, will play Argentinian Francisco Cerundolo, the No 4 seed, next.

The Kazakh beat qualifier Mikhail Kukushkin (7-6 (5), 7-6 (4)) ahead of his victory.

In the previous round of the Almaty tournament, Karatsev, ranked No 139, won against Chinese Zhizhen Zhang, the No 6 seed (6-4, 7-6 (2)).

Almaty ATP 250, other second-round results (Almaty Arena, hard, USD 1.036.700, most recent results first):

• Frances Tiafoe vs. Daniel Evans
• Aleksandar Vukic vs. Adrian Mannarino
• Karen Khachanov vs. Otto Virtanen
• Beibit Zhukayev vs. Tomas Machac
• Alejandro Tabilo (2) beat Maximilian Marterer: 6-2, 6-4
• Gabriel Diallo beat Borna Coric: 7-6 (1), 6-4
• Francisco Cerundolo beat Justin Engel (WC): 6-4, 7-6 (3)