Dimitrov, 25, beat the injury-hit Uzbek 2-6, 7-6 (7/2), 6-2, 6-1 to reach the last eight and stretch his winning streak to nine matches after he won this month’s Brisbane International.
He has also been mentored by Federer's former coach, Peter Lundgren.
One of his early coaches, Peter Lundgren, who has also worked with the Swiss, even said that Dimitrov was more advanced than Federer at the same age.
Before long everyone was calling Dimitrov “Baby Fed”. Everyone started to say it and it became a big thing. I’ve had enough of it.” Despite his liking for grass, Dimitrov knows he has yet to show his best at Wimbledon, winning just three matches in four tournament attempts.
Cape Town - If you don't know the name Grigor Dimitrov now, you will soon.
According to The Post Game website, the 21-year-old Bulgarian is fast rising up the ranks of the tennis hierarchy.
But if you can do it just once it’s a very different situation after that. I was maybe a bit too hard on myself, but I hope now that I’ve found the right balance.