In 2011, he partnered with Michaël Llodra, with whom he won one Masters 1000 title &amp; four ATP 500 titles. Their partnership ended mid-way through 2012, after Roland Garros. In 2014, Zimonjic &amp; Nestor renewed their partnership, which saw them both return to the top 10 by May &amp; ranked 3 by the end of the year. In 2015 he started the year partnering Aisam-ul-Haq Qureshi, then teamed up with Marcin Matkowski; despite not winning a title together, the Polish-Serbian duo qualified for the World Tour Finals. Zimonjic won titles each year for 16 straight seasons and finished 12 consecutive seasons, starting in 2004, ranked in the ATP doubles top 20. Since 2016, when he played doubles at the Rio Olympics with Novak Djokovic, Zimonjic hasn't had a steady partner for a full season.