Seoul, Oct 27 : India's Somdev Devvarman and Prakash Amritraj entered the second round of the $125,000 Association of Tennis Professionals (ATP) Challenger here Tuesday.

Somdev, seeded fourth, advanced after South Africa's Rik de Voest retired while trailing 2-6, 0-2. He next plays Slovak Pavol Cervenak.    

Prakash showed the door to South Korea's Kyu Tae Im, winning 6-3, 6-1. He next faces second seeded Lu Yen-hsun.  (IANS)