Joao Sousa, Portugal, def. Jozef Kovalik, Slovakia, 6-2, 6-3.
Marton Fucsovics, Hungary, def. Alexey Vatutin, Russia, 7-5, 6-1.
Salvatore Caruso, Italy, def. Thomas Fabbiano, Italy, 2-6, 6-3, 6-3.
Casper Ruud (8), Norway, def. Alexander Bublik, Kazakhstan, 6-7 (3), 6-4, 6-2.
Mikhail Kukushkin (6), Kazakhstan, def. Damir Dzumhur, Bosnia-Herzegovina, 7-6 (2), 6-2.
Egor Gerasimov, Belarus, def. Adrian Mannarino (7), France, 6-3, 6-1.
Simone Bolelli and Matteo Berrettini, Italy, def. Philipp Oswald, Austria, and Roman Jebavy (3), Czech Republic, 6-2, 6-2.
Andres Molteni, Argentina, and Roberto Carballes Baena, Spain, def. Evgeny Karlovskiy and Andrey Rublev, Russia, 6-7 (5), 6-2, 10-2.
Frederik Nielsen, Denmark, and Tim Puetz, Germany, def. Stefano Travaglia, Italy, and Marton Fucsovics, Hungary, 6-4, 6-4.
Igor Zelenay, Slovakia, and Divij Sharan, India, def. Matwe Middelkoop, Netherlands, and Marcelo Demoliner (4), Brazil, 3-6, 6-2, 10-5.Wednesday
At Sibur Arena
St. Petersburg, Russia
Surface: Hardcourt indoor
ST. PETERSBURG, RUSSIA (AP) _ Results Wednesday from St. Petersburg Open at Sibur Arena (seedings in parentheses):
Round Of 32
Round Of 16
Round Of 16
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