Ly Hoang Nam of Vietnam has jumped ahead in the tennis world rankings, according to the latest Association of Tennis Professionals' release.

Nam, who entered the quarter-final round of the F2 Future Nam moves up in world ranking tournament in Thailand in late April, is ranked 1,256, a jump in the rankings of 190 places.

It is Nam's highest ranking in his career. He is currently ranked as world junior No 14.

His new ranking will place him in a favourable position when he takes part in the SEA Games next month.

Nam is currently in Italy and will compete at the 56o Trofeo Bonfiqlio, which starts on May 18.-VNA