New Delhi, 11 Sep: Indians had a mixed day at Japan Open. In a sterling performance HS Prannoy defeated current Asian Games gold medallist Jonathan Christie of Indonesia 21-18, 21-17. Prannoy took just 45 minutes to outclass Jonathan Christie 21-18, 21-17.The 26-year-old did not have the best of starts as he was trailing Christie for the most part of the first game. In second game Prannoy maintained a healthy lead en route to a comfortable win. Prannoy will now face Indonesian counterpart World No. 10 and Asian Games bronze medalist Anthony Ginting in the second round.Meanwhile, Kidambi Srikanth beat Chinese Yuxiang Huang 21-13, 21-15 in another first round match. Will take on Vincent Wong Wing Ki of Hong Kong in the second roundFor the Indian mixed doubles pairs as Satwiksairak Rankireddy and Ashwini Ponappa crashed out in the opening round even as the combination of Pranaav Jerry Chopra and N Sikki Reddy sailed into the next round.Ranikireddy and Ponappa were shown the door by second seeds Yilyu Wang and Dongping Huang of China 13-21, 17-21, while Chopra and Reddy stormed into the second round with a 21-9, 21-6 victory over Malaysian duo of Mathew Fogarty and Isabel Zhong.Chopra and Reddy will face another Malaysian combination of Peng Soon Chang and Liu Ying Goh in the next round.