Traykov enjoys reading books , playing cards and chess , while he considers Pete Sampras to be his idol .
Taking up tennis at the age of 7 , Traykov is coached and trained by his father .
Traykov enjoys reading books , playing cards and chess , while Traykov considers Pete Sampras to be Traykov 's idol .
Taking up tennis at the age of 7 , Traykov is coached and trained by his father .