Koltsov died on the age of 42 on Monday in what police described as an “obvious suicide” in Miami.
“It is all the time powerful to play on huge levels towards these prime gamers,” stated Kalinina, who will play Kazakhstani Yulia Putintseva within the subsequent spherical.
“Right now was actually powerful with nerves however I managed within the powerful moments to take care of it.”
Polish world primary Iga Swiatek breezed previous Italy’s Camila Giorgi 6-2 6-1 in 67 minutes.
Japan’s Naomi Osaka, who returned to the tour on the finish of final 12 months after giving beginning, continued her resurgence with a 6-2 7-6 (7-5) win over Elina Svitolina of Ukraine.
Sixth seed Ons Jabeur of Tunisia suffered a shock 6-1 4-6 6-3 defeat by world quantity 65 Elina Avanesyan of Russia.
Avanesyan’s compatriot Anna Kalinskaya additionally progressed with a 6-3 6-1 victory over Latvian ninth seed Jelena Ostapenko.
