The victory saw the Indian wild card enter the second round in the Mother's Recipe-ITF Women's Futures tournament.
Both the Indian paddlers were outplayed in their pre-quarter-final matches at the Asian Games.
World No. 1 Yamaguchi, however, had to toil hard to get across three-time world champion and Rio gold medallist Carolina Marin of Spain 21-17, 14-21, 21-19 in the day's first match at the IG stadium in New Delhi.
He gave India its first medal in weightlifting in the men's 56kg event at the Afro-Asian Games. Olupono Gbenga of Nigeria won the gold.
Olympic silver medallist P V Sindhu celebrated her 23rd birthday with a straight-game win over Japan's Aya Ohori to enter the quarter-finals of the $1,250,000 Indonesia Open BWF World Tour Super 1000 tournament.
The Indian golfer's registered 12-under 272 to finish tied third at the Brunei Open.
The Indian ace was joint fifth after the second round in the Brunei Open.
The Indian stalwart stamped his return with a seven-under-par 64 to take the first round lead.
The 29-year-old Saina, an Olympic bronze medallist, had finished runner-up in the tournament last year, losing to Chinese Taipei's Tai Tzu-Ying in the final.
Kynan Chenai gave himself an advance birthday gift by securing a quota place for the Rio Olympics but London Games silver medallist Vijay Kumar's hopes of earning a berth went up in smoke at the Asia Olympic Qualifying Competition for shooting, in New Delhi on Thursday.
India's P V Sindhu secured a straight-game win over Chinese Taipei's Tai Tzu Ying to reach the quarter-finals of the Denmark Open in Odense on Friday.
The team made the grade after finishing third in the Asia-Oceania zonal qualifiers in Jakarta last week.
They suffered first round defeats in the ATP Challenger.
Thailand amateur Pornanong Phatlum won the Hong Kong Ladies Masters.
Gaurav Ghei was the lone Indian to shoot an under-par round of 71 in the final to finish tied 12th at the Mercuries Taiwan Masters
The script remained the same in the second game as well, with Sindhu maintaining her firm grip over the proceedings to race to a 6-0 lead in just two minutes.
A summary of sports events and persons who made news on Friday
India's Trisha Deb sprung a surprise to win bronze in the compound women's individual event at the Asian Games on Saturday, taking India's tally in archery to three medals on the day so far.
Arjun Singh improved his chances of returning to the tour with a tied eighth place finish at the Macau Open golf tournament.
Harmeet Kahlon continued to be the best among the Indians at the end of the third round of the US $275,000 Macau Open.
Hosts Malaysia recovered from a two-goal deficit to beat a spirited Japan 4-2 while Pakistan mauled debutants Chinese Taipei 13-0 in final round matches of Pool A at the ninth Asia Cup hockey tournament in Ipoh, Malaysia, on Tuesday.
In pursuit of an elusive Olympic medal for India in archery, power couple Deepika Kumari and Atanu Das have left their 11-month-old daughter behind to find lost form and hone their skills under the legendary coach Kim Hyung-Tak, at a South Korean countryside.
Dhillon finished second with 52 hits.
Tokyo Olympics bronze medallist Lovlina Borgohain kickstarted her campaign on an impressive note by notching up a thrilling win at the 12th edition of the IBA Women's World Boxing Championships in Istanbul on Monday.
The Indian women's compound team of Jyothi Surekha Vennam, Aditi Swami and Parneet Kaur won the gold medal in the World Archery Championships.
This is Saina's first win over the South Korean, who got the better of the Indian in the quarter-finals of the French Open last year.
India will begin their campaign by locking horns with China on Tuesday. Ankita has been in tremendous form since the start of the season, winning two ITF singles and as many doubles titles.
Olympic bronze medalist Saina Nehwal reached the quarter-finals of the Asia Badminton Championship after brushing aside Thailand's Nitchaon Jindapol in straight games, in Wuhan, China, on Thursday.
In the semi-finals India blanked Japan while Australia got the better of Chinese Taipei.
India have fielded a strong contingent led by two-time world champion Nikhat Zareen and Olympic bronze medallist Lovlina Borgohain.
Roger Federer strolled into the second round of the Australian Open with a clinical 6-4, 6-2, 7-5 rout of Taiwan's Lu Yen-Hsun under the lights of Rod Laver Arena on Monday.
The reigning Olympic silver medallist took just 36 minutes to record her 2nd win in the competition.
Taiwan had shifted its purchases of large military platforms and systems, like fighter jets and naval vessels, to smaller lethal anti-ship and surface-to-air-missiles, reported The Singapore Post citing local media.
Mary Kom would look to go one step closer towards her sixth gold when she takes the ring in the 48kg semifinals, in New Delhi, on Thursday.
India's top tennis players Mahesh Bhupathi, Saketh Myneni, Jeevan Nedunchezhiyan and Sriram Balaji have been granted wild card entries into the doubles draw of Chennai Open, the organisers announced on Monday.
The Rio Games silver winner easily notched up a 21-14, 21-15 win over unseeded Japanese Aya Ohori in the second round match that lasted just 40 minutes.
India's campaign in the women's singles of the $350,000 Hong Kong Super Series came to an end after ace shuttler Saina Nehwal was stunned by Tai Tzu Ying of Chinese Taipei in the quarter-finals.
In sizzling form after clinching the China Open and finishing runners-up at Hong Kong, Olympic silver medallist P V Sindhu will look to sign off the year with another crown when she competes in the season-ending World Superseries Finals starting in Dubai from Wednesday. In Rio de Janeiro, Sindhu became the first Indian woman to win an Olympics silver medal in August, but qualifying for the Dubai World Super Series final still was a far cry as she was placed at 16th in the Destination Dubai Rankings with just two events -- China Open and Hong Kong Open -- remaining.
Modi's remarks came in response to a congratulatory message from Taiwan President Lai Ching-te on his election victory.
