Even when I was 4-2 down in the fifth set I still believed that I could win,

He doesn't have the fastest serve, but he places it well. His balls have a lot of kick and it makes it hard to attack his serve.

I think he served very good the whole match, ... I played very good with a lot of concentration.

I finished this match really tired. I have pain in all my body. I'll try to sleep well. Maybe tomorrow I won't play three sets.

I was very tired last week,

I have not taken any illegal substances as reported. I was suspended two years ago and would never do anything like that again.