Taking up tennis at the age of 7 , Traykov is coached and trained by his father .
Traykov was born in Sofia , Bulgaria on 17 December 1978 , to Toncho , an economist , and Mariana , an engineer .
Taking up tennis at the age of 7 , Traykov is coached and trained by Traykov 's father .
Traykov was born in Sofia , Bulgaria on 17 December 1978 , to Toncho , an economist , and Mariana , an engineer .