Complex sentence: On 1 November 2012, Antonov was called up by Tarmo Rüütli for a friendly against Oman on 8 November 2012, and made his senior international debut for Estonia in the 2--1 away victory.
Split into simpler sentences: On 1 November 2012, Tarmo Rüütli gave Antonov his first senior call-up for a friendly against Oman on 8 November 2012. He made his debut for Estonia in the 2--1 away victory.