While Sharath lost on Monday, Sathiyan could not do much against the mighty world number nine Dang Qiu of Germany, losing 6-11, 6-11, 5-11, 7-11 on Tuesday.
Manika Batra and Archana Kamath defeated Hungary's Dora Madarasz and Georgina Pota 11-4, 11-9, 6-11, 11-7 in the women's doubles round of 16.
'My next aim is to go past 2700.'
Veterans Sharath Kamal and G Sathiyan made a winning start at the World Table Tennis Championships in Durban on Sunday.
Asian Games silver medallist Ancy Sojan made it to the women's long jump final on an ordinary day for the Indians in the World University Games, in Berlin, on Monday.
Star Indian paddler Manika Batra crashed out of the women's singles in the World Table Tennis Championships Finals after a first round defeat, while Sathiyan Gnanasekaran advanced to the second round in the men's singles, in Houston, on Wednesday.
In both the matches, Sathiyan staged a strong fightback after losing the first two games.
Olympian Achanta Sharath Kamal's impressive form helped Indian men register their second successive victory, while their women counterparts continued their dismal performance in the World Team Table Tennis Championships in Moscow on Monday.
Costantini, whose second stint saw India win two Asian Games medals in 2018, has an excellent rapport with the Indian squad and has been closely following the development of Indian table tennis over the years.
'I'm also happy to receive support from back home in India, my coach and association officials are in constant touch. I've got another ticket for May 11, and hopefully, the situation will become normal by then, and I will return'
UTT Season 6: U Mumba qualify for semifinals, end Dabang Delhi's unbeaten streak
Ayhika Mukherjee and Sutirtha Mukherjee confirmed India's first ever medal in women's at the Asian Table Tennis Championships.
The Indian men's table tennis team assured itself of its third consecutive bronze medal at Asian Championships.
Ayhika Mukherjee, ranked 155, punched way above her weight to pull off a brilliant 3-1 win against World No 1 Sun Yingsha.
The Indian women's team came from behind to beat Spain 3-2 in its final group game and progressed to the knockout phase.
China's Ding Ning has claimed a second women's singles world title by battling through an ankle injury that left her in a heap to beat compatriot Liu Shiwen 4-3 in the final.
China completed a clean sweep of all five titles at the World Table Tennis Championships in Yokahama on Tuesday, with world number ones Wang Hao and Zhang Yining claiming the men's and women's singles crowns. The Chinese team dominated the event -- held every two years -- for the third straight time, with all-Chinese finals in each discipline.
India's representation in the singles events of the World Table Tennis Championship was reduced to just four players, three of them women, after six others failed to qualify for the main draw.
'For the next nine months to one year I would still be an active player.'
Indian paddlers got off to a spectacular start in the World Table Tennis Championship as all six, including new women's national champion Kumaresan Shamini, spanked their respective opponents 4-0 in their opening matches of the qualifying rounds in Yokohama, Japan, on Tuesday.
Olympian Achanta Sharath Kamal came up with a resounding performance to overcome higher-ranked German Steger Bastian and reach the third round in the World Table Tennis Championships in Yokohama, Japan, on Thursday. World No 85 Sharath defeated Bastian, ranked 39, 4-1 in a long-drawn battle in the round of 64.
Olympian Achanta Sharath Kamal suffered a shock defeat to lower-ranked Chen Chien-An of Chinese Taipei in the first round and bowed out of the World Table Tennis Championships in Rotterdam, Netherlands. The world No 54 lost 11-8, 9-11, 8-11, 7-11, 9-11.
Bhavina Patel wins gold in women's singles classes 3-5 category
Chetan Baboor, Mouma Das, Sharath Kamal and Montu Das scored their second wins to make the grade.
Manika Batra and Mouma Das made history by becoming the first Indian pair to reach the quarter-finals of the World Table Tennis Championships in Dusseldorf, on Thursday.
Nandita Saha and Visakha Vijay lost in straight games
The Indian men's table tennis team settled for the bronze medal after going down 0-3 to Chinese Taipei in the Asian Championships semi-final.
We bring you a presentation of some of the best photos from around the world in the month gone by.
Brazil's Alexandre makes Olympic debut, eyes Paralympic gold
Indian women's team eased past Uzbekistan while the men endured successive defeats with the loss to South Korea in the World Table Tennis Team Championships in Busan on Monday.
Manika Batra won both her singles matches as the Indian women's team edged out Hungary 3-2 for its first win of the World Table Tennis Championships in Busan on Sunday.
India were ousted from the men's championship division when England beat them 3-2 in the pre-quarterfinals
The 34-year-old Patel, who had surprised even the Indian camp in this Paralympics with her sensational show, stunned China's Miao Zhang 7-11, 11-7, 11-4, 9-11, 11-8 in the semi-final showdown which lasted 34 minutes.
Olympian Achanta Sharath Kamal went down fighting to Gionis Panagiotis of Greece in a third round match as India's campaign in the World Table Tennis Championships in Yokohama, Japan, ended on Friday. World number 85 Sharath lost 12-10, 9-11, 11-13, 13-11, 8-11, 8-11.
While Payas lost his semifinal match to China's Peng Xiang, Suhana too went down fighting against top-seeded Egyptian Hana Goda.
Here's a look at some Indian-origin athletes who will be representing their adopted countries at the Paris Games
Bhavinaben Patel became only the second Indian woman to win a medal at the Paralympics after she claimed a historic silver following a 0-3 loss to world number one Chinese paddler Ying Zhou in the women's singles table tennis class 4 final at the Tokyo Games on Sunday.
The Indian challenge at the Volkswagen 2012 World Junior table tennis championships came to an end when Ayhika Mukerjee and Suthirtha Mukherjee lost their respective pre-quarterfinal matches in Hyderabad on Saturday.
India went down 1-3 to the Czech Republic in the women's division of the World Table Tennis Championships.
India's Ankita Das fought valiantly and stretched World No 10 China's Ruochen Gu to six games before losing in the quarter-finals of the Volkswagen World Junior Table Tennis Championships, in Bahrain on Sunday.