Dimitrov vs Querrey prediction

In the round of 16 in Shangai on hard surface Grigor Dimitrov will bet Sam Querrey. This will be their third head to head match. In previous two Bulgarian had more success and won 2-0 in victories. They played once on hard and once on grass. On hard surface DImitrov was very good and won without losing set. In Queens Querrey had more success. He took the set. Here in Asia Dimitrov playing good. In Beijing beat Delpo and took Nadal a set. This will be interesting match between to good servers. In that duel I gave better chance for Dimitrov to win.