Miami Open: Popyrin advances after Mikael Ymer retires with ankle injury

Australian Alexei Popyrin reached the second round of the Miami Masters when Swede Mikael Ymer retired at the Hard Rock Stadium on Wednesday evening.

Popyrin, ranked No 93, led 7-6 (5), 4-4 when Ymer, ranked No 53, pulled out at the Hard Rock Stadium on Wednesday evening.

The Australian will play No 26 seed Botic Van De Zandschulp next.

Miami Masters, other first-round results (Hard Rock Stadium, hard, USD 8.800.000, most recent results first):

• Lorenzo Sonego vs. Dominic Thiem
• Marcos Giron vs. Cristian Garin
• Emilio Nava vs. John Isner
• Richard Gasquet vs. Christopher O’Connell
• Federico Coria vs. Jiri Lehecka
• Pavel Kotov vs. Tomas Martin Etcheverry
• Yosuke Watanuki vs. Benoit Paire
• Aleksandar Kovacevic vs. Jaume Munar
• Thiago Monteiro vs. Jason Kubler
• Roberto Carballes Baena vs. Bernabe Zapata Miralles
• Alex Molcan vs. Jordan Thompson
• Daniel Elahi Galan vs. Mackenzie McDonald
• Pedro Martinez vs. Quentin Halys
• Gregoire Barrere vs. Roman Safiullin
• Christopher Eubanks vs. Denis Kudla
• Adrian Mannarino vs. Juncheng Shang
• Thanasi Kokkinakis vs. Zizou Bergs
• Ugo Humbert vs. Gael Monfils
• Fabio Fognini vs. Jan-Lennard Struff
• Yibing Wu vs. Kyle Edmund
• Emil Ruusuvuori vs. Nuno Borges
• Andy Murray vs. Dusan Lajovic
• Ilya Ivashka vs. Daniel Altmaier
• J.J. Wolf beat Alexander Bublik: 7-5, 6-3
• Laslo Djere beat Aleksandar Vukic (Q): 6-2, 7-6 (3)
• Guido Pella beat Juan Pablo Varillas: 1-6, 6-3, 6-2
• Marton Fucsovics beat Pedro Cachin: 6-4, 7-6 (2)
• Facundo Bagnis beat Felipe Meligeni Rodrigues Alves (Q): 6-3, 1-6, 6-4
• Taro Daniel (WC) beat Arthur Rinderknech: 4-1 ret.
• Marc-Andrea Huesler beat Albert Ramos-Vinolas: 6-7 (4), 7-6 (2), 6-3
• Brandon Nakashima beat Oscar Otte: 7-6 (3), 6-3