Tsonga vs Jack Sock prediction

Sock showed great effort so far at US Open. He has passed Cilic 3-0 very easy. But should mention that Cilic had injury problem that helped Sock a lot. Odds would be very low 1 month ago in this clash but we can accept this odds if we calculate recent form of Sock. However, I do still believe that Tsonga is one of the elite player and he has not lost to any other players at Grand Slam matches instead of Top-5 ranking players. He played solid tennis against Kevin. Sock has not same level of big serve like Kevin and he has weak backhand side where Tsonga will hit lots of flat shots. I think value is still on Tsonga at this odds.