Swiss Open: India's mixed-doubles pair of Satwiksairaj Rankireddy and Ashwini Ponnappa crashed out of the tournament after losing to Tan Kian Meng and Lai Pei Jing of Malaysia.
Indian shuttlers PV Sindhu, Kidambi Srikanth and Ajay Jayaram advanced to the quarterfinals of the Swiss Open Super 300 badminton tournament on Thursday.
Three Indian badminton players and two support staff were quarantined in Germany after one member of the contingent tested positive for COVID-19 ahead of the SaarLorLux Open.
Indian shuttler Lakshya Sen, his father and physio reached Bangalore from Germany. Meanwhile, Shubhankar Dey and Ajay Jayaram flew to Delhi.
Ajay Jayaram and Shubhankar Dey have been placed into isolation "in line with directives from tournament organisers, local health authorities and BWF tournament health protocols."
World No.79 Rhustavito defeated No.93 Jayaram 21-14, 21-10 in 28 minutes to win the title at the Nguyen Du Cultural Sports Club.
Ajay Jayaram saw off seventh seed Igarashi 21-14 21-19 in a 34-minute match.
Kidambi Srikanth jumped four places with 66,923 points to occupy fourth place behind China's Lin Dan.
Kidambi Srikanth, who lost in the quarterfinals in Japan Open, remains the highest-ranked Indian male player at eighth.
Twelve Indian male badminton players are currently ranked in the top 100, with seven in the top 50.