At the 50'000 USD ATP Challenger in Charlottesville, VA, USA, Grigor Dimitrov will start in the first round of the main draw against Michael Yani, 28-years-old Singapore born American. Yani's this week ATP rank is 175. He reached the semi-finals of the challenger in Calabasas, California, USA earlier this week. At USA Open Michael succeeded in the 3 rounds of the qualifications and lost in the first round.