China's ace badminton players Lin Dan and Chen Long sailed into the men's singles second round of the German Open, a stop BWF Grand Prix Gold series, on Tuesday.
Newly crowned Rio Olympic champion Chen, seeded number two, beat Japanese player Kenta Nishimoto 21-10, 21-9 while multiple world and Olympic champion Lin breezed past Indian player Siril Verma 21-13, 21-10.
No.4 seed Tian Houwei, also from China, failed to follow his teammates into the next stage as he lost to Japanese player Kanta Tsuneyama.
The second round in men's singles and first round in all other disciplines will be held on Wednesday.