Almaty Open: Karatsev upsets Zheng to reach second round
Aslan Karatsev won against Zhizhen Zhang 6-4, 7-6 (2) on Tuesday afternoon and will play the winner of the match between Alexander Shevchenko and qualifier Mikhail Kukushkin in the next round

Russian qualifier Aslan Karatsev reached the second round of the Almaty Open by defeating Chinese Zhizhen Zhang, the No 6 seed, 6-4, 7-6 (2) at Almaty Arena on Tuesday afternoon.
Karatsev, ranked No 139, will play the winner of the match between Alexander Shevchenko and qualifier Mikhail Kukushkin next.
Almaty ATP 250, other first-round results (Almaty Arena, hard, USD 1.036.700, most recent results first):
- Timofey Skatov vs. Tomas Machac
- James Duckworth vs. Aleksandar Vukic
- Alexander Shevchenko vs. Mikhail Kukushkin
- Daniel Evans (Q) beat Taro Daniel: 6-2, 7-6 (4)
- Beibit Zhukayev (WC) beat Benjamin Hassan (Q): 6-4, 6-1
- Otto Virtanen beat Fabio Fognini: 6-3, 7-6 (4)
- Gabriel Diallo beat Christopher O’Connell: 7-6 (5), 6-2
- Adrian Mannarino (8) beat Roman Safiullin: 5-7, 7-6 (4), 6-3
- Borna Coric beat Fabian Marozsan (7): 6-4, 7-6 (4)
- Maximilian Marterer beat Damir Dzumhur: 7-5, 6-4
- Justin Engel (WC) beat Chak Lam Coleman Wong: 7-5, 6-4