Complex sentence: Alongside Ana Ivanovic he was representing Serbia at the 2013 Hopman Cup, where he played four singles and four mixed doubles matches and eventually finished runner-up, losing 1--2 to Spanish duo Anabel Medina Garrigues and Fernando Verdasco in the final.
Split into simpler sentences: Alongside Ana Ivanovic, he represented Serbia at the 2013 Hopman Cup, where he played four singles and four mixed doubles matches. The Serbian duo finished runner-up, losing 1--2 to Spanish duo Anabel Medina Garrigues and Fernando Verdasco in the final.